Marine Weather Message
Issued by NWS Marquette, MI

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682
WHUS73 KMQT 050821
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
321 AM EST Fri Dec 5 2025

LMZ221-051700-
/O.CON.KMQT.GL.W.0058.000000T0000Z-251205T1200Z/
/O.NEW.KMQT.SC.Y.0193.251205T1200Z-251205T1700Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
321 AM EST Fri Dec 5 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO NOON
EST TODAY...

* WHAT...For the Gale Warning, southwest winds 20 to 30 kt with
  gusts up to 40 kt and waves 5 to 8 ft occurring. For the Small
  Craft Advisory, southwest winds 15 to 25 kt with gusts up to
  30 kt and waves 3 to 6 ft expected.

* WHERE...Green Bay North of line from Cedar River MI to Rock
  Island Passage.

* WHEN...For the Gale Warning, until 7 AM EST this morning. For
  the Small Craft Advisory, from 7 AM this morning to noon EST
  today.

* 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.

&&

$$

LSZ241-242-051800-
/O.CON.KMQT.GL.W.0058.000000T0000Z-251205T0900Z/
/O.NEW.KMQT.SC.Y.0193.251205T1200Z-251205T1800Z/
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
321 AM EST Fri Dec 5 2025 /221 AM CST Fri Dec 5 2025/

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST /3 AM CST/ EARLY
THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST /6 AM CST/ THIS
MORNING TO 1 PM EST /NOON CST/ THIS AFTERNOON...

* WHAT...For the Gale Warning, southwest winds 20 to 25 kt with
  gusts up to 35 kt and waves 5 to 8 ft occurring. For the Small
  Craft Advisory, southwest winds 10 to 20 kt with gusts up to
  25 kt and waves 4 to 7 ft expected.

* WHERE...Black River to Ontonagon MI and Ontonagon to Upper
  Entrance of Portage Canal MI.

* WHEN...For the Gale Warning, until 4 AM EST /3 AM CST/ early
  this morning. For the Small Craft Advisory, from 7 AM EST /6
  AM CST/ this morning to 1 PM EST /noon 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.

&&

$$

LSZ243-244-052030-
/O.CON.KMQT.GL.W.0058.000000T0000Z-251205T1200Z/
/O.NEW.KMQT.SC.Y.0193.251205T1200Z-251205T2100Z/
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
321 AM EST Fri Dec 5 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 4 PM
EST THIS AFTERNOON...

* WHAT...For the Gale Warning, west winds 20 to 25 kt with gusts
  up to 35 kt and waves 6 to 11 ft occurring. For the Small
  Craft Advisory, west winds 10 to 20 kt with gusts up to 25 kt
  and waves 6 to 9 ft expected.

* WHERE...Upper Entrance of Portage Canal to Eagle River MI and
  Eagle River to Manitou Island MI.

* WHEN...For the Gale Warning, until 7 AM EST this morning. For
  the Small Craft Advisory, from 7 AM this morning to 4 PM EST
  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.

&&

$$

LSZ245>248-051800-
/O.CON.KMQT.GL.W.0058.000000T0000Z-251205T1200Z/
/O.NEW.KMQT.SC.Y.0193.251205T1200Z-251205T1800Z/
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-
321 AM EST Fri Dec 5 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 1 PM
EST THIS AFTERNOON...

* WHAT...For the Gale Warning, southwest winds 15 to 25 kt with
  gusts up to 35 kt and waves 2 to 5 ft occurring. For the Small
  Craft Advisory, southwest winds 10 to 20 kt with gusts up to
  25 kt and waves 1 to 4 ft expected.

* WHERE...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
  and Huron Islands to Marquette MI.

* WHEN...For the Gale Warning, until 7 AM EST this morning. For
  the Small Craft Advisory, from 7 AM this morning to 1 PM EST
  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.

&&

$$

LMZ248-250-052030-
/O.CON.KMQT.GL.W.0058.000000T0000Z-251205T1200Z/
/O.NEW.KMQT.SC.Y.0193.251205T1200Z-251205T2100Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
321 AM EST Fri Dec 5 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 4 PM
EST THIS AFTERNOON...

* WHAT...For the Gale Warning, southwest winds 20 to 30 kt with
  gusts up to 40 kt and waves 7 to 10 ft occurring. For the
  Small Craft Advisory, southwest winds 15 to 25 kt with gusts
  up to 30 kt and waves 6 to 9 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a
  line from Fairport MI to Rock Island Passage.

* WHEN...For the Gale Warning, until 7 AM EST this morning. For
  the Small Craft Advisory, from 7 AM this morning to 4 PM EST
  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.

&&

$$

LSZ250-251-051800-
/O.CON.KMQT.GL.W.0058.000000T0000Z-251205T1200Z/
/O.NEW.KMQT.SC.Y.0193.251205T1200Z-251205T1800Z/
Munising to Grand Marais MI-Grand Marais to Whitefish Point MI-
321 AM EST Fri Dec 5 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 1 PM
EST THIS AFTERNOON...

* WHAT...For the Gale Warning, southwest winds 20 to 30 kt with
  gusts up to 35 kt and waves 3 to 6 ft occurring. For the Small
  Craft Advisory, southwest winds 10 to 20 kt with gusts up to
  25 kt and waves 2 to 5 ft expected.

* WHERE...Munising to Grand Marais MI and Grand Marais to
  Whitefish Point MI.

* WHEN...For the Gale Warning, until 7 AM EST this morning. For
  the Small Craft Advisory, from 7 AM this morning to 1 PM EST
  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.

&&

$$

LSZ162-240-263-050930-
/O.CON.KMQT.GL.W.0058.000000T0000Z-251205T0900Z/
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-Saxon Harbor WI to Black River MI-
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-
321 AM EST Fri Dec 5 2025 /221 AM CST Fri Dec 5 2025/

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST /3 AM CST/ EARLY
THIS MORNING...

* WHAT...West winds 20 to 25 kt with gusts up to 35 kt and waves
  6 to 11 ft occurring.

* WHERE...Lake Superior west of a line from Saxon Harbor WI to
  Grand Portage MN beyond 5NM, Saxon Harbor WI to Black River MI
  and 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...Until 4 AM EST /3 AM CST/ early this morning.

* 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.

&&

$$

LSZ249-264>267-051200-
/O.CON.KMQT.GL.W.0058.000000T0000Z-251205T1200Z/
Marquette to Munising MI-
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-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
321 AM EST Fri Dec 5 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and
  waves 7 to 12 ft occurring.

* WHERE...Marquette to Munising MI, 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 and Lake Superior from Grand
  Marais MI to Whitefish Point MI 5NM off shore to the
  US/Canadian border.

* WHEN...Until 7 AM EST this morning.

* 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.

&&

$$