National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
WHUS73 KMQT 212100
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
500 PM EDT Sun Apr 21 2024

LSZ250-251-220500-
/O.CON.KMQT.SC.Y.0064.000000T0000Z-240422T0600Z/
Munising to Grand Marais MI-Grand Marais to Whitefish Point MI-
500 PM EDT Sun Apr 21 2024

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

* WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and
  waves 2 to 5 ft occurring.

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

* WHEN...Until 2 AM 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.

&&

$$

LSZ243-244-263-264-266-220500-
/O.NEW.KMQT.GL.A.0017.240423T1200Z-240423T1800Z/
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-
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-
500 PM EDT Sun Apr 21 2024

...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY
AFTERNOON...

* WHAT...North winds 20 to 30 kt with gusts up to 40 kt and
  waves 7 to 10 ft possible.

* WHERE...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 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 Tuesday morning through Tuesday afternoon.

* IMPACTS...Strong winds can cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.

&&

$$