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Home Return to list Small Craft Advisory 0085 Issued by the Marquette Forecast Office
Action: New Issued At: 2026-05-17 03:40:34 738 WHUS73 KMQT 170839 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 439 AM EDT Sun May 17 2026 LSZ162-172045- /O.NEW.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...GALE WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-172045- /O.NEW.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-172045- /O.NEW.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT /NOON CDT/ THIS AFTERNOON TO 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...From 1 PM EDT /noon CDT/ this afternoon to 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...From 1 PM this afternoon to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-172045- /O.NEW.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-172045- /O.NEW.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 3 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2026-05-17 03:40:34 738 WHUS73 KMQT 170839 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 439 AM EDT Sun May 17 2026 LSZ162-172045- /O.NEW.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...GALE WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-172045- /O.NEW.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-172045- /O.NEW.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT /NOON CDT/ THIS AFTERNOON TO 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...From 1 PM EDT /noon CDT/ this afternoon to 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...From 1 PM this afternoon to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-172045- /O.NEW.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-172045- /O.NEW.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 3 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2026-05-17 03:40:34 738 WHUS73 KMQT 170839 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 439 AM EDT Sun May 17 2026 LSZ162-172045- /O.NEW.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...GALE WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-172045- /O.NEW.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-172045- /O.NEW.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT /NOON CDT/ THIS AFTERNOON TO 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...From 1 PM EDT /noon CDT/ this afternoon to 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...From 1 PM this afternoon to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-172045- /O.NEW.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-172045- /O.NEW.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 3 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2026-05-17 03:40:34 738 WHUS73 KMQT 170839 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 439 AM EDT Sun May 17 2026 LSZ162-172045- /O.NEW.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...GALE WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-172045- /O.NEW.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-172045- /O.NEW.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT /NOON CDT/ THIS AFTERNOON TO 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...From 1 PM EDT /noon CDT/ this afternoon to 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...From 1 PM this afternoon to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-172045- /O.NEW.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-172045- /O.NEW.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 3 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2026-05-17 03:40:34 738 WHUS73 KMQT 170839 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 439 AM EDT Sun May 17 2026 LSZ162-172045- /O.NEW.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...GALE WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-172045- /O.NEW.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-172045- /O.NEW.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT /NOON CDT/ THIS AFTERNOON TO 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...From 1 PM EDT /noon CDT/ this afternoon to 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...From 1 PM this afternoon to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-172045- /O.NEW.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-172045- /O.NEW.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 3 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2026-05-17 03:40:34 738 WHUS73 KMQT 170839 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 439 AM EDT Sun May 17 2026 LSZ162-172045- /O.NEW.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...GALE WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-172045- /O.NEW.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-172045- /O.NEW.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT /NOON CDT/ THIS AFTERNOON TO 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...From 1 PM EDT /noon CDT/ this afternoon to 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...From 1 PM this afternoon to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-172045- /O.NEW.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-172045- /O.NEW.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 3 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2026-05-17 03:40:34 738 WHUS73 KMQT 170839 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 439 AM EDT Sun May 17 2026 LSZ162-172045- /O.NEW.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...GALE WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-172045- /O.NEW.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-172045- /O.NEW.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT /NOON CDT/ THIS AFTERNOON TO 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...From 1 PM EDT /noon CDT/ this afternoon to 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...From 1 PM this afternoon to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-172045- /O.NEW.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-172045- /O.NEW.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 3 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2026-05-17 03:40:34 738 WHUS73 KMQT 170839 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 439 AM EDT Sun May 17 2026 LSZ162-172045- /O.NEW.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...GALE WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-172045- /O.NEW.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-172045- /O.NEW.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 439 AM EDT Sun May 17 2026 /339 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT /NOON CDT/ THIS AFTERNOON TO 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...From 1 PM EDT /noon CDT/ this afternoon to 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-172045- /O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...From 1 PM this afternoon to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-172045- /O.NEW.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-172045- /O.NEW.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 3 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-172045- /O.NEW.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 439 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 09:36:47 770 WHUS73 KMQT 171436 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1036 AM EDT Sun May 17 2026 LSZ162-180245- /O.CON.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 6 to 11 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180245- /O.CON.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180245- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180245- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180245- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 09:36:47 770 WHUS73 KMQT 171436 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1036 AM EDT Sun May 17 2026 LSZ162-180245- /O.CON.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 6 to 11 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180245- /O.CON.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180245- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180245- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180245- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 09:36:47 770 WHUS73 KMQT 171436 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1036 AM EDT Sun May 17 2026 LSZ162-180245- /O.CON.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 6 to 11 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180245- /O.CON.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180245- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180245- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180245- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 09:36:47 770 WHUS73 KMQT 171436 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1036 AM EDT Sun May 17 2026 LSZ162-180245- /O.CON.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 6 to 11 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180245- /O.CON.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180245- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180245- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180245- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 09:36:47 770 WHUS73 KMQT 171436 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1036 AM EDT Sun May 17 2026 LSZ162-180245- /O.CON.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 6 to 11 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180245- /O.CON.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180245- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180245- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180245- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 09:36:47 770 WHUS73 KMQT 171436 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1036 AM EDT Sun May 17 2026 LSZ162-180245- /O.CON.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 6 to 11 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180245- /O.CON.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180245- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180245- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180245- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 09:36:47 770 WHUS73 KMQT 171436 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1036 AM EDT Sun May 17 2026 LSZ162-180245- /O.CON.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 6 to 11 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180245- /O.CON.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180245- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180245- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180245- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 09:36:47 770 WHUS73 KMQT 171436 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1036 AM EDT Sun May 17 2026 LSZ162-180245- /O.CON.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 6 to 11 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon to 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180245- /O.CON.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY... * WHAT...East winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 2 PM this afternoon to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180245- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 1036 AM EDT Sun May 17 2026 /936 AM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180245- /O.CON.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180245- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180245- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-180245- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1036 AM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 13:51:24 328 WHUS73 KMQT 171851 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 251 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ248-250-180700- /O.EXT.KMQT.SC.Y.0085.260518T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO 8 AM EDT TUESDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ242-243-180600- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180700- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180700- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180700- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180700- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 13:51:24 328 WHUS73 KMQT 171851 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 251 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ248-250-180700- /O.EXT.KMQT.SC.Y.0085.260518T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO 8 AM EDT TUESDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ242-243-180600- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180700- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180700- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180700- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180700- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2026-05-17 13:51:24 328 WHUS73 KMQT 171851 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 251 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ248-250-180700- /O.EXT.KMQT.SC.Y.0085.260518T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO 8 AM EDT TUESDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ242-243-180600- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180700- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180700- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180700- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180700- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 13:51:24 328 WHUS73 KMQT 171851 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 251 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ248-250-180700- /O.EXT.KMQT.SC.Y.0085.260518T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO 8 AM EDT TUESDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ242-243-180600- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180700- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180700- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180700- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180700- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 13:51:24 328 WHUS73 KMQT 171851 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 251 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ248-250-180700- /O.EXT.KMQT.SC.Y.0085.260518T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO 8 AM EDT TUESDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ242-243-180600- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180700- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180700- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180700- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180700- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 13:51:24 328 WHUS73 KMQT 171851 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 251 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ248-250-180700- /O.EXT.KMQT.SC.Y.0085.260518T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO 8 AM EDT TUESDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ242-243-180600- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180700- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180700- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180700- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180700- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 13:51:24 328 WHUS73 KMQT 171851 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 251 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ248-250-180700- /O.EXT.KMQT.SC.Y.0085.260518T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO 8 AM EDT TUESDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ242-243-180600- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180700- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180700- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180700- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180700- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 13:51:24 328 WHUS73 KMQT 171851 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 251 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ248-250-180700- /O.EXT.KMQT.SC.Y.0085.260518T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO 8 AM EDT TUESDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 8 PM this evening to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ242-243-180600- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-180700- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...South winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T0900Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 251 PM EDT Sun May 17 2026 /151 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 5 AM EDT /4 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-180700- /O.CON.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...From 8 PM this evening to 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-180700- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-180700- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY... * WHAT...Southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...From 11 PM this evening to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-180700- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 251 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY... * WHAT...Southeast winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 10 PM this evening to 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 20:07:07 492 WHUS73 KMQT 180106 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 906 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 9 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180500- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0500Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EDT MONDAY... * WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 2 to 3 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 1 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180600- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT /1 AM CDT/ MONDAY... * WHAT...Northeast to east winds 10 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 2 AM EDT /1 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-181315- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...Southeast to south winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft occurring. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...Until 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...Northeast to east winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-181200- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-181315- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East to south winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT TUESDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 5 ft tonight become south to southwest winds of 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft on Monday. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...Until 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ TAP Action: Continued Issued At: 2026-05-17 20:07:07 492 WHUS73 KMQT 180106 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 906 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 9 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180500- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0500Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EDT MONDAY... * WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 2 to 3 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 1 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180600- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT /1 AM CDT/ MONDAY... * WHAT...Northeast to east winds 10 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 2 AM EDT /1 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-181315- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...Southeast to south winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft occurring. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...Until 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...Northeast to east winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-181200- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-181315- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East to south winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT TUESDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 5 ft tonight become south to southwest winds of 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft on Monday. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...Until 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ TAP Action: Continued Issued At: 2026-05-17 20:07:07 492 WHUS73 KMQT 180106 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 906 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 9 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180500- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0500Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EDT MONDAY... * WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 2 to 3 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 1 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180600- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT /1 AM CDT/ MONDAY... * WHAT...Northeast to east winds 10 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 2 AM EDT /1 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-181315- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...Southeast to south winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft occurring. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...Until 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...Northeast to east winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-181200- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-181315- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East to south winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT TUESDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 5 ft tonight become south to southwest winds of 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft on Monday. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...Until 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ TAP Action: Continued Issued At: 2026-05-17 20:07:07 492 WHUS73 KMQT 180106 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 906 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 9 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180500- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0500Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EDT MONDAY... * WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 2 to 3 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 1 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180600- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT /1 AM CDT/ MONDAY... * WHAT...Northeast to east winds 10 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 2 AM EDT /1 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-181315- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...Southeast to south winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft occurring. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...Until 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...Northeast to east winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-181200- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-181315- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East to south winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT TUESDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 5 ft tonight become south to southwest winds of 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft on Monday. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...Until 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ TAP Action: Continued Issued At: 2026-05-17 20:07:07 492 WHUS73 KMQT 180106 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 906 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 9 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180500- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0500Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EDT MONDAY... * WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 2 to 3 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 1 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180600- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT /1 AM CDT/ MONDAY... * WHAT...Northeast to east winds 10 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 2 AM EDT /1 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-181315- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...Southeast to south winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft occurring. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...Until 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...Northeast to east winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-181200- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-181315- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East to south winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT TUESDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 5 ft tonight become south to southwest winds of 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft on Monday. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...Until 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ TAP Action: Time Extended Issued At: 2026-05-17 20:07:07 492 WHUS73 KMQT 180106 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 906 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 9 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180500- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0500Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EDT MONDAY... * WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 2 to 3 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 1 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180600- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT /1 AM CDT/ MONDAY... * WHAT...Northeast to east winds 10 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 2 AM EDT /1 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-181315- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...Southeast to south winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft occurring. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...Until 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...Northeast to east winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-181200- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-181315- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East to south winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT TUESDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 5 ft tonight become south to southwest winds of 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft on Monday. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...Until 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ TAP Action: Continued Issued At: 2026-05-17 20:07:07 492 WHUS73 KMQT 180106 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 906 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 9 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180500- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0500Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EDT MONDAY... * WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 2 to 3 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 1 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180600- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT /1 AM CDT/ MONDAY... * WHAT...Northeast to east winds 10 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 2 AM EDT /1 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-181315- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...Southeast to south winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft occurring. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...Until 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...Northeast to east winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-181200- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-181315- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East to south winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT TUESDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 5 ft tonight become south to southwest winds of 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft on Monday. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...Until 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ TAP Action: Time Extended Issued At: 2026-05-17 20:07:07 492 WHUS73 KMQT 180106 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 906 PM EDT Sun May 17 2026 LSZ162-180300- /O.CON.KMQT.GL.W.0040.000000T0000Z-260518T0300Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 9 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-243-180500- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0500Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EDT MONDAY... * WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 2 to 3 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 1 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-180600- /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260518T0600Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 906 PM EDT Sun May 17 2026 /806 PM CDT Sun May 17 2026/ ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT /1 AM CDT/ MONDAY... * WHAT...Northeast to east winds 10 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 2 AM EDT /1 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-181315- /O.CON.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY... * WHAT...Southeast to south winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-245-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft occurring. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...Until 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...Northeast to east winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-249-181200- /O.CON.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/ Huron Islands to Marquette MI-Marquette to Munising MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY... * WHAT...East to southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. * WHERE...Huron Islands to Marquette MI and Marquette to Munising MI. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-181315- /O.CON.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT MONDAY... * WHAT...East to south winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...Until 11 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-181315- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260519T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 906 PM EDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT TUESDAY... * WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 5 ft tonight become south to southwest winds of 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft on Monday. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...Until 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ TAP Action: Continued Issued At: 2026-05-18 04:13:34 427 WHUS73 KMQT 180913 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 513 AM EDT Mon May 18 2026 LMZ221-181500- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260519T0000Z/ /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ249-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Marquette to Munising MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ250-251-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ244-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Dense Fog Advisory, until 5 PM EDT this afternoon. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ245-181800- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Manitou Island to Point Isabelle MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ246-181500- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southeast winds 5 to 15 kt with gusts up to 20 kt and waves 3 to 6 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ248-250-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260520T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Dense Fog Advisory, until 11 AM EDT this morning. For the Small Craft Advisory, until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ264>266-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ267-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260519T0000Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ247-181500- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Southeast winds 5 to 10 kt with gusts up to 20 kt and waves 2 to 5 ft occurring. * WHERE...Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-181200- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Huron Islands to Marquette MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Southeast winds 10 to 15 kt with gusts up to 20 kt and waves 3 to 5 ft occurring. * WHERE...Huron Islands to Marquette MI. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Cancelled Issued At: 2026-05-18 04:13:34 427 WHUS73 KMQT 180913 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 513 AM EDT Mon May 18 2026 LMZ221-181500- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260519T0000Z/ /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ249-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Marquette to Munising MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ250-251-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ244-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Dense Fog Advisory, until 5 PM EDT this afternoon. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ245-181800- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Manitou Island to Point Isabelle MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ246-181500- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southeast winds 5 to 15 kt with gusts up to 20 kt and waves 3 to 6 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ248-250-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260520T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Dense Fog Advisory, until 11 AM EDT this morning. For the Small Craft Advisory, until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ264>266-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ267-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260519T0000Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ247-181500- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Southeast winds 5 to 10 kt with gusts up to 20 kt and waves 2 to 5 ft occurring. * WHERE...Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-181200- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Huron Islands to Marquette MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Southeast winds 10 to 15 kt with gusts up to 20 kt and waves 3 to 5 ft occurring. * WHERE...Huron Islands to Marquette MI. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-18 04:13:34 427 WHUS73 KMQT 180913 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 513 AM EDT Mon May 18 2026 LMZ221-181500- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260519T0000Z/ /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ249-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Marquette to Munising MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ250-251-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ244-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Dense Fog Advisory, until 5 PM EDT this afternoon. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ245-181800- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Manitou Island to Point Isabelle MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ246-181500- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southeast winds 5 to 15 kt with gusts up to 20 kt and waves 3 to 6 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ248-250-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260520T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Dense Fog Advisory, until 11 AM EDT this morning. For the Small Craft Advisory, until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ264>266-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ267-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260519T0000Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ247-181500- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Southeast winds 5 to 10 kt with gusts up to 20 kt and waves 2 to 5 ft occurring. * WHERE...Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-181200- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Huron Islands to Marquette MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Southeast winds 10 to 15 kt with gusts up to 20 kt and waves 3 to 5 ft occurring. * WHERE...Huron Islands to Marquette MI. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Cancelled Issued At: 2026-05-18 04:13:34 427 WHUS73 KMQT 180913 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 513 AM EDT Mon May 18 2026 LMZ221-181500- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260519T0000Z/ /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ249-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Marquette to Munising MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ250-251-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ244-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Dense Fog Advisory, until 5 PM EDT this afternoon. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ245-181800- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Manitou Island to Point Isabelle MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ246-181500- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southeast winds 5 to 15 kt with gusts up to 20 kt and waves 3 to 6 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ248-250-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260520T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Dense Fog Advisory, until 11 AM EDT this morning. For the Small Craft Advisory, until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ264>266-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ267-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260519T0000Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ247-181500- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Southeast winds 5 to 10 kt with gusts up to 20 kt and waves 2 to 5 ft occurring. * WHERE...Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-181200- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Huron Islands to Marquette MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Southeast winds 10 to 15 kt with gusts up to 20 kt and waves 3 to 5 ft occurring. * WHERE...Huron Islands to Marquette MI. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-18 04:13:34 427 WHUS73 KMQT 180913 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 513 AM EDT Mon May 18 2026 LMZ221-181500- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260519T0000Z/ /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ249-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Marquette to Munising MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ250-251-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ244-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Dense Fog Advisory, until 5 PM EDT this afternoon. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ245-181800- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Manitou Island to Point Isabelle MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ246-181500- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southeast winds 5 to 15 kt with gusts up to 20 kt and waves 3 to 6 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ248-250-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260520T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Dense Fog Advisory, until 11 AM EDT this morning. For the Small Craft Advisory, until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ264>266-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ267-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260519T0000Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ247-181500- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Southeast winds 5 to 10 kt with gusts up to 20 kt and waves 2 to 5 ft occurring. * WHERE...Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-181200- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Huron Islands to Marquette MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Southeast winds 10 to 15 kt with gusts up to 20 kt and waves 3 to 5 ft occurring. * WHERE...Huron Islands to Marquette MI. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-18 04:13:34 427 WHUS73 KMQT 180913 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 513 AM EDT Mon May 18 2026 LMZ221-181500- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260519T0000Z/ /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ249-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Marquette to Munising MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ250-251-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ244-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Dense Fog Advisory, until 5 PM EDT this afternoon. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ245-181800- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Manitou Island to Point Isabelle MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ246-181500- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southeast winds 5 to 15 kt with gusts up to 20 kt and waves 3 to 6 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ248-250-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260520T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Dense Fog Advisory, until 11 AM EDT this morning. For the Small Craft Advisory, until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ264>266-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ267-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260519T0000Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ247-181500- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Southeast winds 5 to 10 kt with gusts up to 20 kt and waves 2 to 5 ft occurring. * WHERE...Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-181200- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Huron Islands to Marquette MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Southeast winds 10 to 15 kt with gusts up to 20 kt and waves 3 to 5 ft occurring. * WHERE...Huron Islands to Marquette MI. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2026-05-18 04:13:34 427 WHUS73 KMQT 180913 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 513 AM EDT Mon May 18 2026 LMZ221-181500- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260519T0000Z/ /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ249-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Marquette to Munising MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ250-251-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ244-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Dense Fog Advisory, until 5 PM EDT this afternoon. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ245-181800- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Manitou Island to Point Isabelle MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ246-181500- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southeast winds 5 to 15 kt with gusts up to 20 kt and waves 3 to 6 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ248-250-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260520T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Dense Fog Advisory, until 11 AM EDT this morning. For the Small Craft Advisory, until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ264>266-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ267-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260519T0000Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ247-181500- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Southeast winds 5 to 10 kt with gusts up to 20 kt and waves 2 to 5 ft occurring. * WHERE...Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-181200- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Huron Islands to Marquette MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Southeast winds 10 to 15 kt with gusts up to 20 kt and waves 3 to 5 ft occurring. * WHERE...Huron Islands to Marquette MI. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Cancelled Issued At: 2026-05-18 04:13:34 427 WHUS73 KMQT 180913 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 513 AM EDT Mon May 18 2026 LMZ221-181500- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260519T0000Z/ /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ249-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Marquette to Munising MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ250-251-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ244-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Dense Fog Advisory, until 5 PM EDT this afternoon. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ245-181800- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Manitou Island to Point Isabelle MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ246-181500- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southeast winds 5 to 15 kt with gusts up to 20 kt and waves 3 to 6 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ248-250-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260520T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Dense Fog Advisory, until 11 AM EDT this morning. For the Small Craft Advisory, until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ264>266-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ267-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260519T0000Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ247-181500- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Southeast winds 5 to 10 kt with gusts up to 20 kt and waves 2 to 5 ft occurring. * WHERE...Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-181200- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Huron Islands to Marquette MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Southeast winds 10 to 15 kt with gusts up to 20 kt and waves 3 to 5 ft occurring. * WHERE...Huron Islands to Marquette MI. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-18 04:13:34 427 WHUS73 KMQT 180913 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 513 AM EDT Mon May 18 2026 LMZ221-181500- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260519T0000Z/ /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ249-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Marquette to Munising MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ250-251-181015- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves are expected to stay below small craft advisory criteria. $$ LSZ244-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Dense Fog Advisory, until 5 PM EDT this afternoon. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ245-181800- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Manitou Island to Point Isabelle MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 5 to 15 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ246-181500- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1300Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southeast winds 5 to 15 kt with gusts up to 20 kt and waves 3 to 6 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...For the Dense Fog Advisory, until 9 AM EDT this morning. For the Small Craft Advisory, until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ248-250-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T1500Z/ /O.EXT.KMQT.SC.Y.0085.000000T0000Z-260520T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Dense Fog Advisory, until 11 AM EDT this morning. For the Small Craft Advisory, until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ264>266-182100- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260518T2100Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ267-182115- /O.NEW.KMQT.MF.Y.0011.260518T0913Z-260519T0000Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 513 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ247-181500- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Southeast winds 5 to 10 kt with gusts up to 20 kt and waves 2 to 5 ft occurring. * WHERE...Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-181200- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1200Z/ Huron Islands to Marquette MI- 513 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Southeast winds 10 to 15 kt with gusts up to 20 kt and waves 3 to 5 ft occurring. * WHERE...Huron Islands to Marquette MI. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-18 09:15:13 994 WHUS73 KMQT 181414 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1014 AM EDT Mon May 18 2026 LSZ244-182100- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T2100Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southwest winds 5 to 10 kt and waves 2 to 5 ft occurring. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Dense Fog Advisory, until 5 PM EDT this afternoon. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ248-250-190215- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T1500Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260520T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southwest winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Dense Fog Advisory, until 11 AM EDT this morning. For the Small Craft Advisory, until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ221-181515- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T1500Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ264>266-182100- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T2100Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ267-190000- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260519T0000Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ245-181800- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Manitou Island to Point Isabelle MI- 1014 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...Southwest winds 5 to 10 kt with gusts up to 15 kt and waves 3 to 5 ft occurring. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-181515- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1014 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Southwest winds 5 kt or less with gusts up to 10 kt and waves 1 to 4 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-18 09:15:13 994 WHUS73 KMQT 181414 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1014 AM EDT Mon May 18 2026 LSZ244-182100- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T2100Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southwest winds 5 to 10 kt and waves 2 to 5 ft occurring. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Dense Fog Advisory, until 5 PM EDT this afternoon. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ248-250-190215- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T1500Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260520T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southwest winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Dense Fog Advisory, until 11 AM EDT this morning. For the Small Craft Advisory, until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ221-181515- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T1500Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ264>266-182100- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T2100Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ267-190000- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260519T0000Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ245-181800- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Manitou Island to Point Isabelle MI- 1014 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...Southwest winds 5 to 10 kt with gusts up to 15 kt and waves 3 to 5 ft occurring. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-181515- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1014 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Southwest winds 5 kt or less with gusts up to 10 kt and waves 1 to 4 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-18 09:15:13 994 WHUS73 KMQT 181414 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1014 AM EDT Mon May 18 2026 LSZ244-182100- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T2100Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southwest winds 5 to 10 kt and waves 2 to 5 ft occurring. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Dense Fog Advisory, until 5 PM EDT this afternoon. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ248-250-190215- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T1500Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260520T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southwest winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Dense Fog Advisory, until 11 AM EDT this morning. For the Small Craft Advisory, until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ221-181515- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T1500Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ264>266-182100- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T2100Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ267-190000- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260519T0000Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ245-181800- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Manitou Island to Point Isabelle MI- 1014 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...Southwest winds 5 to 10 kt with gusts up to 15 kt and waves 3 to 5 ft occurring. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-181515- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1014 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Southwest winds 5 kt or less with gusts up to 10 kt and waves 1 to 4 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-18 09:15:13 994 WHUS73 KMQT 181414 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1014 AM EDT Mon May 18 2026 LSZ244-182100- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T2100Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Eagle River to Manitou Island MI- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southwest winds 5 to 10 kt and waves 2 to 5 ft occurring. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Dense Fog Advisory, until 5 PM EDT this afternoon. For the Small Craft Advisory, until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ248-250-190215- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T1500Z/ /O.CON.KMQT.SC.Y.0085.000000T0000Z-260520T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southwest winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Dense Fog Advisory, until 11 AM EDT this morning. For the Small Craft Advisory, until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ221-181515- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T1500Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ264>266-182100- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T2100Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ267-190000- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260519T0000Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 1014 AM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ245-181800- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/ Manitou Island to Point Isabelle MI- 1014 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...Southwest winds 5 to 10 kt with gusts up to 15 kt and waves 3 to 5 ft occurring. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-181515- /O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1014 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Southwest winds 5 kt or less with gusts up to 10 kt and waves 1 to 4 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Cancelled Issued At: 2026-05-18 14:35:23 823 WHUS73 KMQT 181935 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 335 PM EDT Mon May 18 2026 LMZ248-250-190745- /O.CAN.KMQT.SC.Y.0085.000000T0000Z-260520T0000Z/ /O.NEW.KMQT.SC.Y.0086.260519T0600Z-260520T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 335 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 8 PM EDT TUESDAY... * WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 2 AM to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-190745- /O.EXT.KMQT.MF.Y.0011.000000T0000Z-260519T1500Z/ /O.NEW.KMQT.SC.Y.0086.260519T0600Z-260520T0000Z/ Eagle River to Manitou Island MI- 335 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM EDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, northwest winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 5 ft expected. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Dense Fog Advisory, until 11 AM EDT Tuesday. For the Small Craft Advisory, from 2 AM to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ245-190745- /O.NEW.KMQT.MF.Y.0012.260519T0500Z-260519T1200Z/ /O.NEW.KMQT.SC.Y.0086.260519T1500Z-260520T0000Z/ Manitou Island to Point Isabelle MI- 335 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT FROM 1 AM TO 8 AM EDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, northwest winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...For the Dense Fog Advisory, from 1 AM to 8 AM EDT Tuesday. For the Small Craft Advisory, from 11 AM to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ248>251-190745- /O.EXB.KMQT.MF.Y.0011.260519T0000Z-260519T1200Z/ /O.NEW.KMQT.SC.Y.0086.260519T1400Z-260520T0000Z/ Huron Islands to Marquette MI-Marquette to Munising MI- Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 335 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 AM EDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM TO 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, west winds 15 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Huron Islands to Marquette MI, Marquette to Munising MI, Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...For the Dense Fog Advisory, from 8 PM this evening to 8 AM EDT Tuesday. For the Small Craft Advisory, from 10 AM to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ246-247-190745- /O.NEW.KMQT.MF.Y.0012.260519T0500Z-260519T1200Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 335 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT FROM 1 AM TO 8 AM EDT TUESDAY... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...From 1 AM to 8 AM EDT Tuesday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ240>243-190745- /O.NEW.KMQT.SC.Y.0086.260519T0900Z-260519T1800Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 335 PM EDT Mon May 18 2026 /235 PM CDT Mon May 18 2026/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT /4 AM CDT/ TO 2 PM EDT /1 PM CDT/ TUESDAY... * WHAT...Northwest winds 10 to 15 kt with gusts up to 20 kt and waves 3 to 5 ft expected. * WHERE...Saxon Harbor WI to Black River MI, Black River to Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 5 AM EDT /4 AM CDT/ to 2 PM EDT /1 PM CDT/ Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ264>266-190745- /O.EXT.KMQT.MF.Y.0011.000000T0000Z-260519T1500Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 335 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM EDT TUESDAY... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...Until 11 AM EDT Tuesday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ267-190745- /O.EXT.KMQT.MF.Y.0011.000000T0000Z-260519T1800Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 335 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 2 PM EDT TUESDAY... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 2 PM EDT Tuesday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||