Marine Weather Message
Issued by NWS Marquette, MI

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876
WHUS73 KMQT 170736
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
236 AM EST Mon Nov 17 2025

LSZ244-248-171945-
/O.EXT.KMQT.SC.Y.0179.000000T0000Z-251117T2100Z/
Eagle River to Manitou Island MI-Huron Islands to Marquette MI-
236 AM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and
  waves 4 to 7 ft occurring.

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

* WHEN...Until 4 PM EST this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ248-250-171500-
/O.EXT.KMQT.SC.Y.0179.000000T0000Z-251117T1500Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
236 AM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and
  waves 1 to 3 ft occurring.

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

* WHEN...Until 10 AM EST this morning.

* 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>251-171945-
/O.EXT.KMQT.SC.Y.0181.000000T0000Z-251118T0600Z/
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
236 AM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EST TUESDAY...

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

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

* WHEN...Until 1 AM EST 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.

&&

$$

LMZ221-170900-
/O.CON.KMQT.SC.Y.0180.000000T0000Z-251117T0900Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
236 AM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST EARLY
THIS MORNING...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and
  waves 1 to 3 ft occurring.

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

* WHEN...Until 4 AM EST early this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ241-247-170900-
/O.CON.KMQT.SC.Y.0179.000000T0000Z-251117T0900Z/
Black River to Ontonagon MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
236 AM EST Mon Nov 17 2025 /136 AM CST Mon Nov 17 2025/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST /3 AM
CST/ EARLY THIS MORNING...

* WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and
  waves 1 to 4 ft occurring.

* WHERE...Black River to Ontonagon MI and Lower Entrance of
  Portage Canal To Huron Islands MI Including Keweenaw and Huron
  Bays.

* WHEN...Until 4 AM EST /3 AM CST/ early this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ242-171200-
/O.CON.KMQT.SC.Y.0179.000000T0000Z-251117T1200Z/
Ontonagon to Upper Entrance of Portage Canal MI-
236 AM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

* WHAT...North winds around 15 kt with gusts up to 25 kt and
  waves 3 to 5 ft occurring.

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

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ243-245-171500-
/O.CON.KMQT.SC.Y.0179.000000T0000Z-251117T1500Z/
Upper Entrance of Portage Canal to Eagle River MI-
Manitou Island to Point Isabelle MI-
236 AM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and
  waves 3 to 6 ft occurring.

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

* WHEN...Until 10 AM EST this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ246-170900-
/O.CON.KMQT.SC.Y.0179.000000T0000Z-251117T0900Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
236 AM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST EARLY
THIS MORNING...

* WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and
  waves 1 to 2 ft occurring.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI.

* WHEN...Until 4 AM EST early this morning.

* 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