National Weather Service Weather Forecast Office

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

000
WHUS73 KMQT 221442
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1042 AM EDT Mon Apr 22 2024

LSZ243>245-263>266-222245-
/O.CON.KMQT.GL.W.0025.240423T1200Z-240423T1800Z/
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle 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 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-
1042 AM EDT Mon Apr 22 2024

...GALE WARNING REMAINS IN EFFECT FROM 8 AM TO 2 PM EDT TUESDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and
  waves 6 to 9 ft expected.

* WHERE...Portions of Central, Eastern and Western Lake Superior.

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

* 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 severe conditions.

&&

$$

LSZ267-222245-
/O.CON.KMQT.GL.W.0025.240423T1800Z-240424T0600Z/
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1042 AM EDT Mon Apr 22 2024

...GALE WARNING REMAINS IN EFFECT FROM 2 PM TUESDAY TO 2 AM EDT
WEDNESDAY...

* WHAT...Northeast winds 15 to 25 kt with gusts up to 35 kt and
  waves 6 to 9 ft expected.

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

* WHEN...From 2 PM Tuesday to 2 AM EDT Wednesday.

* 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 severe conditions.

&&

$$

LMZ248-250-222245-
/O.CON.KMQT.SC.Y.0066.240422T2100Z-240424T1200Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1042 AM EDT Mon Apr 22 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 8 AM EDT WEDNESDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 35 kt and waves
  4 to 7 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a
  line from Fairport MI to Rock Island Passage.

* WHEN...From 5 PM this afternoon to 8 AM EDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$