891 
WHUS73 KMQT 031558
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1058 AM EST Wed Dec 3 2025

LSZ244-264-266-040400-
/O.CON.KMQT.GL.W.0057.000000T0000Z-251204T1200Z/
/O.CON.KMQT.UP.W.0017.251204T0000Z-251204T1200Z/
Eagle River to Manitou Island MI-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
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-
1058 AM EST Wed Dec 3 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THURSDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM EST THURSDAY...

* WHAT...For the Gale Warning, northwest winds 25 to 30 kt with 
  gusts up to 40 kt and waves 8 to 13 ft occurring. For the 
  Heavy Freezing Spray Warning, heavy freezing spray at a rate 
  of 2 cm per hour or greater expected, and may rapidly 
  accumulate on vessels.

* WHERE...Eagle River to Manitou Island MI, Lake Superior from 
  Upper Entrance to Portage Canal to Manitou Island MI 5NM off 
  shore to the US/Canadian Border 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...For the Gale Warning, until 7 AM EST Thursday. For the 
  Heavy Freezing Spray Warning, from 7 PM this evening to 7 AM 
  EST Thursday.

* IMPACTS...Operating a vessel in heavy freezing spray is 
  hazardous. Freezing spray may render mechanical and electronic 
  components inoperative. Rapid ice accretion on decks and 
  superstructures may result in a catastrophic loss of 
  stability. Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

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.

&&

$$

LSZ263-040400-
/O.CON.KMQT.GL.W.0057.251203T2100Z-251204T0600Z/
/O.CON.KMQT.UP.W.0017.251204T0000Z-251204T1200Z/
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
1058 AM EST Wed Dec 3 2025

...GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
1 AM EST THURSDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM EST THURSDAY...

* WHAT...For the Gale Warning, northwest winds 25 to 30 kt with 
  gusts up to 35 kt and waves 6 to 9 ft expected. For the Heavy 
  Freezing Spray Warning, heavy freezing spray at a rate of 2 cm 
  per hour or greater expected, and may rapidly accumulate on 
  vessels.

* WHERE...Lake Superior from Saxon Harbor WI to Upper Entrance 
  to Portage Canal MI 5NM off shore to the US/Canadian border 
  including Isle Royale National Park.

* WHEN...For the Gale Warning, from 4 PM this afternoon to 1 AM 
  EST Thursday. For the Heavy Freezing Spray Warning, from 7 PM 
  this evening to 7 AM EST Thursday.

* IMPACTS...Operating a vessel in heavy freezing spray is 
  hazardous. Freezing spray may render mechanical and electronic 
  components inoperative. Rapid ice accretion on decks and 
  superstructures may result in a catastrophic loss of 
  stability. Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

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.

&&

$$

LSZ241-040400-
/O.CON.KMQT.SC.Y.0191.000000T0000Z-251203T2100Z/
/O.CON.KMQT.GL.W.0057.251203T2100Z-251204T0600Z/
Black River to Ontonagon MI-
1058 AM EST Wed Dec 3 2025 /958 AM CST Wed Dec 3 2025/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST /3 PM
CST/ THIS AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 4 PM EST /3 PM CST/ THIS
AFTERNOON TO 1 AM EST /MIDNIGHT CST/ THURSDAY...

* WHAT...For the Small Craft Advisory, northwest winds 20 to 25 
  kt with gusts up to 30 kt and waves around 7 ft occurring. For 
  the Gale Warning, northwest winds around 25 kt with gusts up 
  to 35 kt and waves 7 to 9 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...For the Small Craft Advisory, until 4 PM EST /3 PM CST/ 
  this afternoon. For the Gale Warning, from 4 PM EST /3 PM CST/ 
  this afternoon to 1 AM EST /midnight CST/ Thursday.

* 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.

&&

$$

LSZ242-040400-
/O.CON.KMQT.SC.Y.0189.000000T0000Z-251203T2100Z/
/O.CON.KMQT.GL.W.0057.251203T2100Z-251204T0600Z/
Ontonagon to Upper Entrance of Portage Canal MI-
1058 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
1 AM EST THURSDAY...

* WHAT...For the Small Craft Advisory, northwest winds 20 to 25 
  kt with gusts up to 30 kt and waves 6 to 8 ft occurring. For 
  the Gale Warning, northwest winds 20 to 30 kt with gusts up to 
  35 kt and waves 7 to 10 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI.

* WHEN...For the Small Craft Advisory, until 4 PM EST this 
  afternoon. For the Gale Warning, from 4 PM this afternoon to 1 
  AM EST Thursday.

* 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.

&&

$$

LSZ243-245>251-265-267-040400-
/O.CON.KMQT.GL.W.0057.000000T0000Z-251204T1200Z/
Upper Entrance of Portage Canal to Eagle River MI-
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1058 AM EST Wed Dec 3 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THURSDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 35 kt and 
  waves 8 to 13 ft occurring.

* WHERE...Portions of Central, Eastern and Western Lake Superior.

* WHEN...Until 7 AM EST Thursday.

* 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.

&&

$$

LMZ221-248-250-040400-
/O.CON.KMQT.SC.Y.0191.000000T0000Z-251204T1200Z/
/O.CON.KMQT.GL.A.0034.251205T0300Z-251205T1200Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1058 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
THURSDAY...
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...

* WHAT...For the Small Craft Advisory, northwest winds 15 to 25 
  kt with gusts up to 30 kt and waves 1 to 4 ft occurring. For 
  the Gale Watch, southwest winds 20 to 30 kt with gusts up to 
  35 kt and waves 5 to 8 ft possible.

* WHERE...Green Bay North of line from Cedar River MI to Rock 
  Island Passage, Seul Choix Point to Point Detour MI and 5NM 
  East of a line from Fairport MI to Rock Island Passage.

* WHEN...For the Small Craft Advisory, until 7 AM EST Thursday. 
  For the Gale Watch, from Thursday evening through Friday 
  morning.

* IMPACTS...Strong winds can cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.

&&

$$

LSZ240-040400-
/O.CON.KMQT.SC.Y.0191.000000T0000Z-251204T1200Z/
Saxon Harbor WI to Black River MI-
1058 AM EST Wed Dec 3 2025 /958 AM CST Wed Dec 3 2025/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST /6 AM
CST/ THURSDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  waves 4 to 7 ft occurring.

* WHERE...Saxon Harbor WI to Black River MI.

* WHEN...Until 7 AM EST /6 AM CST/ Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$