510
WHUS73 KMQT 061353
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
953 AM EDT Sun Apr 6 2025

LSZ241>244-263-264-062200-
/O.NEW.KMQT.GL.W.0032.250407T0300Z-250407T1200Z/
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
953 AM EDT Sun Apr 6 2025 /853 AM CDT Sun Apr 6 2025/

...GALE WARNING IN EFFECT FROM 11 PM EDT /10 PM CDT/ THIS EVENING
TO 8 AM EDT /7 AM CDT/ MONDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 40 kt and
  waves 5 to 8 ft expected.

* WHERE...Portions of Western Lake Superior.

* WHEN...From 11 PM EDT /10 PM CDT/ this evening to 8 AM EDT /7
  AM CDT/ 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.

&&

$$

LSZ245-265-266-062200-
/O.NEW.KMQT.GL.W.0032.250407T0600Z-250407T1800Z/
Manitou Island to Point Isabelle MI-
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-
953 AM EDT Sun Apr 6 2025

...GALE WARNING IN EFFECT FROM 2 AM TO 2 PM EDT MONDAY...

* WHAT...North winds 20 to 25 kt with gusts up to 35 kt and
  waves 6 to 9 ft expected.

* WHERE...Manitou Island to Point Isabelle MI, 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...From 2 AM to 2 PM 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.

&&

$$

LMZ221-248-250-062200-
/O.NEW.KMQT.SC.Y.0076.250407T0600Z-250408T0000Z/
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-
953 AM EDT Sun Apr 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 8 PM EDT MONDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 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 2 AM to 8 PM 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.

&&

$$

LSZ240-062200-
/O.NEW.KMQT.SC.Y.0076.250407T0300Z-250407T2100Z/
Saxon Harbor WI to Black River MI-
953 AM EDT Sun Apr 6 2025 /853 AM CDT Sun Apr 6 2025/

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT /10 PM CDT/ THIS
EVENING TO 5 PM EDT /4 PM CDT/ MONDAY...

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

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

* WHEN...From 11 PM EDT /10 PM CDT/ this evening to 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.

&&

$$

LSZ246-247-062200-
/O.NEW.KMQT.SC.Y.0076.250407T0400Z-250407T2100Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
953 AM EDT Sun Apr 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 5 PM
EDT MONDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and
  waves 2 to 5 ft expected.

* 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...From midnight tonight to 5 PM 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.

&&

$$

LSZ248-062200-
/O.NEW.KMQT.SC.Y.0076.250407T0400Z-250408T0000Z/
Huron Islands to Marquette MI-
953 AM EDT Sun Apr 6 2025

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

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and
  waves 7 to 10 ft expected.

* WHERE...Huron Islands to Marquette MI.

* WHEN...From midnight tonight to 8 PM 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.

&&

$$

LSZ249-250-062200-
/O.NEW.KMQT.SC.Y.0076.250407T0600Z-250408T0000Z/
Marquette to Munising MI-Munising to Grand Marais MI-
953 AM EDT Sun Apr 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 8 PM EDT MONDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and
  waves 7 to 10 ft expected.

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

* WHEN...From 2 AM to 8 PM 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.

&&

$$

LSZ251-062200-
/O.NEW.KMQT.SC.Y.0076.250407T0800Z-250408T0000Z/
Grand Marais to Whitefish Point MI-
953 AM EDT Sun Apr 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 8 PM EDT MONDAY...

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

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

* WHEN...From 4 AM to 8 PM 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.

&&

$$