Marine Weather Message
Issued by NWS Marquette, MI

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739
WHUS73 KMQT 130103
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
903 PM EDT Sun Oct 12 2025

LSZ244-245-131315-
/O.CON.KMQT.GL.W.0044.000000T0000Z-251013T1200Z/
/O.EXT.KMQT.SC.Y.0161.251013T1200Z-251014T1200Z/
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
903 PM EDT Sun Oct 12 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM MONDAY TO 8 AM
EDT TUESDAY...

* WHAT...For the Gale Warning, south winds 15 to 25 kt with gusts
  up to 40 kt and waves 4 to 7 ft occurring. For the Small Craft
  Advisory, southwest to northwest winds 10 to 20 kt with gusts
  up to 30 kt and waves 3 to 6 ft expected.

* WHERE...Eagle River to Manitou Island MI and Manitou Island to
  Point Isabelle MI.

* WHEN...For the Gale Warning, until 8 AM EDT Monday. For the
  Small Craft Advisory, from 8 AM Monday to 8 AM EDT 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.

&&

$$

LSZ264>266-131200-
/O.CON.KMQT.GL.W.0044.000000T0000Z-251013T1200Z/
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-
903 PM EDT Sun Oct 12 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...South winds 15 to 25 kt with gusts up to 35 kt and
  waves 4 to 7 ft occurring.

* WHERE...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 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...Until 8 AM EDT 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.

&&

$$

LSZ242-243-131315-
/O.EXT.KMQT.SC.Y.0160.000000T0000Z-251014T1200Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
903 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM EDT TUESDAY...

* WHAT...West winds 10 to 20 kt with a few gale force gusts up to
  35 kt possible and waves 4 to 7 ft occurring.

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

* WHEN...Until 8 AM EDT 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.

&&

$$

LSZ246-247-131315-
/O.EXT.KMQT.SC.Y.0160.000000T0000Z-251014T1200Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
903 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM EDT TUESDAY...

* WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt this
  evening become west to northwest winds 10 to 15 kt with gusts up
  to 30 kt Monday. Waves 1 to 4 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 8 AM EDT 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.

&&

$$

LSZ241-131315-
/O.EXT.KMQT.SC.Y.0160.000000T0000Z-251013T2100Z/
Black River to Ontonagon MI-
903 PM EDT Sun Oct 12 2025 /803 PM CDT Sun Oct 12 2025/

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EDT /4 PM CDT/
MONDAY...

* WHAT...South to west winds 10 to 20 kt with a few gale force
  gusts up to 35 kt possible and waves 1 to 4 ft occurring.

* WHERE...Black River to Ontonagon MI.

* WHEN...Until 5 PM EDT /4 PM CDT/ Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ221-248-250-131200-
/O.CON.KMQT.SC.Y.0160.251013T0400Z-251013T1200Z/
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-
903 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 8 AM EDT MONDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 25 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 midnight tonight to 8 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ240-131200-
/O.CON.KMQT.SC.Y.0160.000000T0000Z-251013T1200Z/
Saxon Harbor WI to Black River MI-
903 PM EDT Sun Oct 12 2025 /803 PM CDT Sun Oct 12 2025/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT /7 AM
CDT/ MONDAY...

* WHAT...South to southwest winds 10 to 20 kt with a few gale
  force gusts up to 35 kt possible and waves 1 to 3 ft occurring.

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

* WHEN...Until 8 AM EDT /7 AM CDT/ Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ248-131200-
/O.CON.KMQT.SC.Y.0160.000000T0000Z-251013T1200Z/
Huron Islands to Marquette MI-
903 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and
  waves 1 to 4 ft occurring.

* WHERE...Huron Islands to Marquette MI.

* WHEN...Until 8 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ249>251-131200-
/O.CON.KMQT.SC.Y.0160.000000T0000Z-251013T1200Z/
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
903 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...South winds 10 to 15 kt with gusts up to 25 kt and
  waves 1 to 3 ft occurring.

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

* WHEN...Until 8 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

TAP