160
WHUS73 KMQT 092046
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
346 PM EST Tue Dec 9 2025

LSZ242>244-263-264-100900-
/O.CON.KMQT.GL.W.0059.251210T0900Z-251210T1600Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island 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-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
346 PM EST Tue Dec 9 2025

...GALE WARNING REMAINS IN EFFECT FROM 4 AM TO 11 AM EST
WEDNESDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 40 kt and
  waves 7 to 10 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper
  Entrance of Portage Canal to Eagle River MI, Eagle River to
  Manitou Island 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 and Lake Superior
  from Upper Entrance to Portage Canal to Manitou Island MI 5NM
  off shore to the US/Canadian Border.

* WHEN...From 4 AM to 11 AM EST Wednesday.

* 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.

&&

$$

LSZ245-247-248-265-100900-
/O.CON.KMQT.GL.W.0059.251210T1200Z-251210T1600Z/
Manitou Island to Point Isabelle MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
346 PM EST Tue Dec 9 2025

...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 11 AM EST
WEDNESDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 35 kt and
  waves 7 to 10 ft expected.

* WHERE...Manitou Island to Point Isabelle MI, Lower Entrance of
  Portage Canal To Huron Islands MI Including Keweenaw and Huron
  Bays, Huron Islands to Marquette MI and Lake Superior West of
  Line from Manitou Island to Marquette MI Beyond 5NM from shore.

* WHEN...From 7 AM to 11 AM EST Wednesday.

* 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.

&&

$$

LSZ249-250-266-100900-
/O.CON.KMQT.GL.W.0059.251210T1200Z-251211T0300Z/
Marquette to Munising MI-Munising to Grand Marais MI-
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-
346 PM EST Tue Dec 9 2025

...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 10 PM EST
WEDNESDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 35 kt and
  waves 7 to 12 ft expected.

* WHERE...Marquette to Munising MI, Munising to Grand Marais MI
  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...From 7 AM to 10 PM EST Wednesday.

* 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.

&&

$$

LMZ221-248-250-100900-
/O.NEW.KMQT.SC.Y.0197.251210T0900Z-251210T2100Z/
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-
346 PM EST Tue Dec 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM EST
WEDNESDAY...

* WHAT...North winds 15 to 20 kt with gusts up to 30 kt and
  waves 1 to 4 ft expected.

* 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...From 4 AM to 4 PM EST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ240-241-100900-
/O.NEW.KMQT.SC.Y.0197.251210T0900Z-251211T0100Z/
Saxon Harbor WI to Black River MI-Black River to Ontonagon MI-
346 PM EST Tue Dec 9 2025 /246 PM CST Tue Dec 9 2025/

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST /3 AM CST/ TO
8 PM EST /7 PM CST/ WEDNESDAY...

* WHAT...North winds 15 to 20 kt with gusts up to 30 kt and
  waves 7 to 10 ft expected.

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

* WHEN...From 4 AM EST /3 AM CST/ to 8 PM EST /7 PM CST/
  Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$