Marine Weather Message
Issued by NWS Marquette, MI

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679
WHUS73 KMQT 071856
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
256 PM EDT Mon Apr 7 2025

LSZ245-080300-
/O.EXA.KMQT.SC.Y.0076.000000T0000Z-250408T0600Z/
Manitou Island to Point Isabelle MI-
256 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY...

* WHAT...North winds 15 to 20 kt with gusts up to 30 kt and
  waves 3 to 6 ft occurring.

* WHERE...Manitou Island to Point Isabelle MI.

* WHEN...Until 2 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.

&&

$$

LSZ243-244-080300-
/O.EXT.KMQT.SC.Y.0076.000000T0000Z-250408T0900Z/
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
256 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM EDT TUESDAY...

* WHAT...North winds 15 to 20 kt with gusts up to 30 kt and
  waves 5 to 8 ft occurring.

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

* WHEN...Until 5 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.

&&

$$

LMZ221-248-250-080300-
/O.CON.KMQT.SC.Y.0076.000000T0000Z-250408T0600Z/
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-
256 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT
TUESDAY...

* WHAT...Northwest to north winds 15 to 25 kt with a few gale
  force gusts up to 35 kt possible and waves 2 to 5 ft occurring.

* 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...Until 2 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.

&&

$$

LSZ240-080000-
/O.CON.KMQT.SC.Y.0076.000000T0000Z-250408T0000Z/
Saxon Harbor WI to Black River MI-
256 PM EDT Mon Apr 7 2025 /156 PM CDT Mon Apr 7 2025/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM
CDT/ THIS EVENING...

* WHAT...North winds around 10 kt with gusts up to 15 kt and
  waves 3 to 6 ft occurring.

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

* WHEN...Until 8 PM EDT /7 PM CDT/ this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ241-242-080000-
/O.CON.KMQT.SC.Y.0076.000000T0000Z-250408T0000Z/
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
256 PM EDT Mon Apr 7 2025 /156 PM CDT Mon Apr 7 2025/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM
CDT/ THIS EVENING...

* WHAT...Northwest to north winds 10 to 15 kt with gusts up to 25
  kt and waves 3 to 6 ft occurring.

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

* WHEN...Until 8 PM EDT /7 PM CDT/ this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ246-247-072200-
/O.CON.KMQT.SC.Y.0076.000000T0000Z-250407T2200Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
256 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS
EVENING...

* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and
  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 6 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ248-080300-
/O.CON.KMQT.SC.Y.0076.000000T0000Z-250408T1800Z/
Huron Islands to Marquette MI-
256 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT
TUESDAY...

* WHAT...Northwest to north winds 15 to 25 kt with gusts up to 30
  kt and waves 7 to 10 ft occurring.

* WHERE...Huron Islands to Marquette MI.

* WHEN...Until 2 PM 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.

&&

$$

LSZ249-250-080300-
/O.CON.KMQT.SC.Y.0076.000000T0000Z-250408T1800Z/
Marquette to Munising MI-Munising to Grand Marais MI-
256 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT
TUESDAY...

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

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

* WHEN...Until 2 PM 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.

&&

$$

LSZ251-080300-
/O.CON.KMQT.SC.Y.0076.000000T0000Z-250408T1800Z/
Grand Marais to Whitefish Point MI-
256 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT
TUESDAY...

* WHAT...Northwest to north winds 15 to 25 kt with gusts up to 30
  kt and waves 6 to 9 ft occurring.

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

* WHEN...Until 2 PM 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.

&&

$$

TAP