Marine Weather Message
Issued by NWS Marquette, MI

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618
WHUS73 KMQT 110202
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
902 PM EST Wed Dec 10 2025

LSZ249-250-111415-
/O.CON.KMQT.GL.W.0059.000000T0000Z-251211T0300Z/
/O.CON.KMQT.SC.Y.0198.251211T0300Z-251212T0000Z/
Marquette to Munising MI-Munising to Grand Marais MI-
902 PM EST Wed Dec 10 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
THURSDAY...

* WHAT...For the Gale Warning, northwest winds around 25 kt with
  gusts up to 35 kt and waves 8 to 13 ft occurring. For the
  Small Craft Advisory, northwest winds 15 to 25 kt with gusts
  up to 30 kt and waves 7 to 12 ft expected.

* WHERE...Marquette to Munising MI and Munising to Grand Marais
  MI.

* WHEN...For the Gale Warning, until 10 PM EST this evening. For
  the Small Craft Advisory, until 7 PM 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.

&&

$$

LSZ266-110315-
/O.CON.KMQT.GL.W.0059.000000T0000Z-251211T0300Z/
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-
902 PM EST Wed Dec 10 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING...

* WHAT...Northwest winds around 25 kt with gusts up to 35 kt and
  waves 10 to 12 ft occurring.

* WHERE...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 10 PM EST 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.

&&

$$

LSZ244-245-248-111415-
/O.EXT.KMQT.SC.Y.0197.000000T0000Z-251211T1800Z/
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-Huron Islands to Marquette MI-
902 PM EST Wed Dec 10 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
  waves 5 to 8 ft occurring.

* WHERE...Eagle River to Manitou Island MI, Manitou Island to
  Point Isabelle MI and Huron Islands to Marquette MI.

* WHEN...Until 1 PM EST 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.

&&

$$

LSZ242-243-111200-
/O.CON.KMQT.SC.Y.0197.000000T0000Z-251211T1200Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
902 PM EST Wed Dec 10 2025

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

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and
  waves 3 to 6 ft occurring.

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

* WHEN...Until 7 AM EST 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.

&&

$$

LSZ246-247-111200-
/O.CON.KMQT.SC.Y.0197.000000T0000Z-251211T1200Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
902 PM EST Wed Dec 10 2025

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

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and
  waves up to 3 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 7 AM EST 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.

&&

$$

LSZ251-111415-
/O.CON.KMQT.SC.Y.0197.000000T0000Z-251212T0000Z/
Grand Marais to Whitefish Point MI-
902 PM EST Wed Dec 10 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
THURSDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
  waves 6 to 11 ft occurring.

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

* WHEN...Until 7 PM EST 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.

&&

$$

GS