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Home Return to list Gale Warning 0010 Issued by the Chicago Forecast Office
Action: New Issued At: 2026-02-22 03:24:13 986 WHUS73 KLOT 220923 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 323 AM CST Sun Feb 22 2026 LMZ744-745-221730- /O.CON.KLOT.SC.Y.0022.000000T0000Z-260223T0000Z/ /O.UPG.KLOT.GL.A.0005.260223T0000Z-260223T2100Z/ /O.NEW.KLOT.GL.W.0010.260223T0000Z-260223T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 323 AM CST Sun Feb 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING IN EFFECT FROM 6 PM THIS EVENING TO 3 PM CST MONDAY... * WHAT...For the Small Craft Advisory, northwest winds to 30 kt and significant waves to 11 ft occasionally to 14 ft. For the Gale Warning, northwest winds to 35 kt and significant waves to 14 ft occasionally to 18 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...For the Small Craft Advisory, until 6 PM CST this evening. For the Gale Warning, from 6 PM this evening to 3 PM CST Monday. * 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. && $$ LMZ740>743-221730- /O.CON.KLOT.SC.Y.0022.000000T0000Z-260224T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 323 AM CST Sun Feb 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST TUESDAY... * WHAT...Northwest winds to 30 kt and significant waves to 11 ft occasionally to 14 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 3 AM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-22 10:11:48 177 WHUS73 KLOT 221611 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 1011 AM CST Sun Feb 22 2026 LMZ744-745-230015- /O.CON.KLOT.SC.Y.0022.000000T0000Z-260223T0000Z/ /O.CON.KLOT.GL.W.0010.260223T0000Z-260223T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 1011 AM CST Sun Feb 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 3 PM CST MONDAY... * WHAT...For the Small Craft Advisory, northwest winds to 30 kt and significant waves to 12 ft occasionally to 16 ft. For the Gale Warning, northwest winds to 35 kt and significant waves to 14 ft occasionally to 18 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...For the Small Craft Advisory, until 6 PM CST this evening. For the Gale Warning, from 6 PM this evening to 3 PM CST Monday. * 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. && $$ LMZ740>743-230015- /O.CON.KLOT.SC.Y.0022.000000T0000Z-260224T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 1011 AM CST Sun Feb 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST TUESDAY... * WHAT...Northwest winds to 30 kt and significant waves to 11 ft occasionally to 14 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 3 AM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-22 15:12:56 103 WHUS73 KLOT 222112 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 312 PM CST Sun Feb 22 2026 LMZ744-745-230515- /O.CON.KLOT.SC.Y.0022.000000T0000Z-260223T0000Z/ /O.CON.KLOT.GL.W.0010.260223T0000Z-260223T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 312 PM CST Sun Feb 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM CST MONDAY... * WHAT...For the Small Craft Advisory, northwest winds to 30 kt and significant waves to 12 ft occasionally to 16 ft. For the Gale Warning, northwest gales to 35 kt and significant waves to 16 ft occasionally to 21 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...For the Small Craft Advisory, until 6 PM CST this evening. For the Gale Warning, until 3 PM CST Monday. * 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. && $$ LMZ740>743-230515- /O.CON.KLOT.SC.Y.0022.000000T0000Z-260224T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 312 PM CST Sun Feb 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST TUESDAY... * WHAT...Northwest winds to 30 kt and significant waves to 11 ft occasionally to 14 ft. Occasional 35 kt gales possible tonight and Monday morning. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 3 AM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-22 18:18:01 167 WHUS73 KLOT 230017 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 617 PM CST Sun Feb 22 2026 LMZ744-745-230830- /O.EXP.KLOT.SC.Y.0022.000000T0000Z-260223T0000Z/ /O.CON.KLOT.GL.W.0010.000000T0000Z-260223T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 617 PM CST Sun Feb 22 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM CST MONDAY... * WHAT...Northwest gales to 35 kt and significant waves to 16 ft occasionally to 21 ft. * WHERE...Gary to Michigan City IN. * WHEN...Until 3 PM CST Monday. * 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. && $$ LMZ740>743-230830- /O.CON.KLOT.SC.Y.0022.000000T0000Z-260224T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 617 PM CST Sun Feb 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST TUESDAY... * WHAT...Northwest winds to 30 kt and significant waves to 11 ft occasionally to 14 ft. Occasional 35 kt gales possible through Monday morning. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 3 AM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-22 21:30:07 074 WHUS73 KLOT 230329 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 929 PM CST Sun Feb 22 2026 LMZ744-745-231130- /O.CON.KLOT.GL.W.0010.000000T0000Z-260223T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 929 PM CST Sun Feb 22 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM CST MONDAY... * WHAT...Northwest gales to 35 kt and significant waves to 14 ft occasionally to 18 ft. * WHERE...Gary to Michigan City IN. * WHEN...Until 3 PM CST Monday. * 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. && $$ LMZ740>743-231130- /O.CON.KLOT.SC.Y.0022.000000T0000Z-260224T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 929 PM CST Sun Feb 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST TUESDAY... * WHAT...Northwest winds to 30 kt and significant waves to 11 ft occasionally to 14 ft. Occasional 35 kt gales possible through Monday morning. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 3 AM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-23 03:56:04 739 WHUS73 KLOT 230955 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 355 AM CST Mon Feb 23 2026 LMZ744-745-231800- /O.CON.KLOT.GL.W.0010.000000T0000Z-260223T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 355 AM CST Mon Feb 23 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * WHAT...Northwest gales to 35 kt and significant waves to 14 ft occasionally to 18 ft. * WHERE...Gary to Michigan City IN. * WHEN...Until 3 PM CST Monday. * 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. && $$ LMZ740>743-231800- /O.CON.KLOT.SC.Y.0022.000000T0000Z-260224T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 355 AM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST TUESDAY... * WHAT...Northwest winds to 30 kt and significant waves to 11 ft occasionally to 14 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 3 AM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-23 09:56:47 603 WHUS73 KLOT 231556 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 956 AM CST Mon Feb 23 2026 LMZ744-745-232100- /O.CON.KLOT.GL.W.0010.000000T0000Z-260223T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 956 AM CST Mon Feb 23 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * WHAT...Gales to 35 kt and significant waves to 14 ft occasionally to 18 ft. * WHERE...Gary to Michigan City IN. * WHEN...Until 3 PM CST this afternoon. * 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. && $$ LMZ740>743-240000- /O.CON.KLOT.SC.Y.0022.000000T0000Z-260224T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 956 AM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST TUESDAY... * WHAT...Winds to 30 kt and significant waves to 11 ft occasionally to 14 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 3 AM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2026-02-23 14:47:53 590 WHUS73 KLOT 232047 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 247 PM CST Mon Feb 23 2026 LMZ744-745-240900- /O.EXP.KLOT.GL.W.0010.000000T0000Z-260223T2100Z/ /O.EXB.KLOT.SC.Y.0022.260223T2100Z-260224T0900Z/ /O.NEW.KLOT.GL.W.0011.260224T1500Z-260225T0000Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 247 PM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CST TUESDAY... ...GALE WARNING IN EFFECT FROM 9 AM TO 6 PM CST TUESDAY... * WHAT...For the Small Craft Advisory, northwest winds to 25 kt and significant waves to 11 ft occasionally to 14 ft expected. For the Gale Warning, south winds to 35 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...For the Small Craft Advisory, until 3 AM CST Tuesday. For the Gale Warning, from 9 AM to 6 PM CST Tuesday. * 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. && $$ LMZ740>743-240900- /O.EXT.KLOT.SC.Y.0022.000000T0000Z-260224T0300Z/ /O.NEW.KLOT.GL.W.0011.260224T1500Z-260225T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 247 PM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM CST THIS EVENING... ...GALE WARNING IN EFFECT FROM 9 AM TO 6 PM CST TUESDAY... * WHAT...For the Small Craft Advisory, north winds to 25 kt and significant waves to 8 ft occasionally to 10 ft. For the Gale Warning, south winds to 35 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...For the Small Craft Advisory, until 9 PM CST this evening. For the Gale Warning, from 9 AM to 6 PM CST Tuesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||