Marine Weather Message
Issued by NWS Marquette, MI

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635
WHUS73 KMQT 201533
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1033 AM EST Thu Nov 20 2025

LSZ245>248-210345-
/O.CON.KMQT.SC.Y.0182.251120T1600Z-251121T1800Z/
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-
1033 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST FRIDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves
  1 to 3 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...Until 1 PM EST Friday.

* 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>244-210345-
/O.CON.KMQT.SC.Y.0182.000000T0000Z-251121T1800Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
1033 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST FRIDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves
  4 to 7 ft occurring.

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

* WHEN...Until 1 PM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ250-251-210345-
/O.CON.KMQT.SC.Y.0182.251121T0000Z-251121T1800Z/
Munising to Grand Marais MI-Grand Marais to Whitefish Point MI-
1033 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 1 PM EST FRIDAY...

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

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

* WHEN...From 7 PM this evening to 1 PM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ249-210345-
/O.CON.KMQT.SC.Y.0183.251121T1200Z-251121T1800Z/
Marquette to Munising MI-
1033 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 1 PM EST
FRIDAY...

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

* WHERE...Marquette to Munising MI.

* WHEN...From 7 AM to 1 PM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$