Marine Weather Message
Issued by NWS Marquette, MI

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528
WHUS73 KMQT 031956
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
356 PM EDT Thu Apr 3 2025

LSZ240-032100-
/O.EXP.KMQT.SC.Y.0070.000000T0000Z-250403T2000Z/
Saxon Harbor WI to Black River MI-
356 PM EDT Thu Apr 3 2025 /256 PM CDT Thu Apr 3 2025/

...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM EDT /3 PM CDT/ THIS
AFTERNOON...

$$

LSZ250-040400-
/O.CON.KMQT.GL.W.0030.000000T0000Z-250403T2100Z/
/O.CON.KMQT.SC.Y.0073.250403T2100Z-250404T0500Z/
Munising to Grand Marais MI-
356 PM EDT Thu Apr 3 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EDT FRIDAY...

* WHAT...For the Gale Warning, west winds 15 to 25 kt with gusts
  up to 35 kt and waves 7 to 10 ft occurring. For the Small
  Craft Advisory, west winds 10 to 20 kt with gusts up to 30 kt
  and waves 6 to 9 ft expected.

* WHERE...Munising to Grand Marais MI.

* WHEN...For the Gale Warning, until 5 PM EDT this afternoon.
  For the Small Craft Advisory, until 1 AM EDT Friday.

* 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.

&&

$$

LSZ251-040400-
/O.CON.KMQT.GL.W.0030.000000T0000Z-250403T2100Z/
/O.CON.KMQT.SC.Y.0073.250403T2100Z-250404T1000Z/
Grand Marais to Whitefish Point MI-
356 PM EDT Thu Apr 3 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT FRIDAY...

* WHAT...For the Gale Warning, west winds 20 to 30 kt with gusts
  up to 35 kt and waves 7 to 10 ft occurring. For the Small
  Craft Advisory, northwest winds 15 to 25 kt with gusts up to
  30 kt and waves 7 to 10 ft expected.

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

* WHEN...For the Gale Warning, until 5 PM EDT this afternoon.
  For the Small Craft Advisory, until 6 AM EDT Friday.

* 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.

&&

$$

LSZ266-032100-
/O.CON.KMQT.GL.W.0030.000000T0000Z-250403T2100Z/
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-
356 PM EDT Thu Apr 3 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...

* WHAT...West winds 20 to 30 kt with gusts up to 40 kt and waves
  7 to 12 ft occurring.

* WHERE...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 5 PM EDT this afternoon.

* 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.

&&

$$

LSZ267-032100-
/O.CON.KMQT.GL.W.0030.000000T0000Z-250403T2100Z/
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
356 PM EDT Thu Apr 3 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...

* WHAT...West winds 25 to 30 kt with gusts up to 40 kt and waves
  7 to 12 ft occurring.

* WHERE...Lake Superior from Grand Marais MI to Whitefish Point
  MI 5NM off shore to the US/Canadian border.

* WHEN...Until 5 PM EDT this afternoon.

* 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.

&&

$$

LSZ246-032300-
/O.CON.KMQT.SC.Y.0072.000000T0000Z-250403T2300Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
356 PM EDT Thu Apr 3 2025

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

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

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

* WHEN...Until 7 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.

&&

$$

LSZ249-040200-
/O.CON.KMQT.SC.Y.0073.000000T0000Z-250404T0200Z/
Marquette to Munising MI-
356 PM EDT Thu Apr 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves
  3 to 6 ft occurring.

* WHERE...Marquette to Munising MI.

* WHEN...Until 10 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.

&&

$$

LSZ241-245-247-248-040000-
/O.CON.KMQT.SC.Y.0074.000000T0000Z-250404T0000Z/
Black River to Ontonagon MI-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-
356 PM EDT Thu Apr 3 2025 /256 PM CDT Thu Apr 3 2025/

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

* WHAT...For the Gale Warning, west winds 20 to 25 kt with gusts
  up to 30 kt and waves 5 to 8 ft occurring. For the Small Craft
  Advisory, west winds 15 to 20 kt with gusts up to 30 kt and
  waves 4 to 7 ft expected.

* WHERE...Black River to Ontonagon MI, Manitou Island to Point
  Isabelle MI, Lower Entrance of Portage Canal To Huron Islands
  MI Including Keweenaw and Huron Bays and Huron Islands to
  Marquette 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.

&&

$$

LSZ242>244-040400-
/O.CON.KMQT.SC.Y.0074.000000T0000Z-250404T0400Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
356 PM EDT Thu Apr 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* WHAT...For the Gale Warning, west winds around 25 kt with
  gusts up to 35 kt and waves 7 to 9 ft occurring. For the Small
  Craft Advisory, west winds 15 to 25 kt with gusts up to 30 kt
  and waves 5 to 8 ft expected.

* 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 midnight EDT tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

JSS