Watches, Warnings & Advisories



3 products issued by NWS for: 5NM NE Grand Marais MI

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Marquette MI
322 AM EST Fri Dec 12 2025

LSZ162-240>251-263>267-130830-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-Saxon Harbor WI to Black River MI-
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-
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point 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-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
322 AM EST Fri Dec 12 2025 /222 AM CST Fri Dec 12 2025/

This Hazardous Weather Outlook is for portions of Central Lake
Superior...Eastern Lake Superior and Western Lake Superior.

.DAY ONE...Today and Tonight

Gales and heavy freezing spray are expected on Lake Superior late
this afternoon into early Sunday. See the latest Gale Warning and
Heavy Freezing Spray Warning for additional information.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Gales and heavy freezing spray are expected on Lake Superior late
this afternoon into early Sunday. See the latest Gale Warning and
Heavy Freezing Spray Warning for additional information.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

$$



Gale Warning

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
310 AM EST Fri Dec 12 2025

LSZ249>251-265>267-122015-
/O.UPG.KMQT.GL.A.0037.251213T0300Z-251214T1200Z/
/O.NEW.KMQT.GL.W.0060.251213T0300Z-251214T1200Z/
/O.NEW.KMQT.UP.W.0018.251213T0600Z-251214T1200Z/
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point 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-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
310 AM EST Fri Dec 12 2025

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EST
SUNDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 1 AM SATURDAY TO
7 AM EST SUNDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 30 kt with
  gusts up to 35 kt and waves 7 to 12 ft expected. For the Heavy
  Freezing Spray Warning, heavy freezing spray at a rate of 2 cm
  per hour or greater expected, and may rapidly accumulate on
  vessels.

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

* WHEN...For the Gale Warning, from 10 PM this evening to 7 AM
  EST Sunday. For the Heavy Freezing Spray Warning, from 1 AM
  Saturday to 7 AM EST Sunday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of
  stability. Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

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.

&&

$$



Heavy Freezing Spray Warning

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
310 AM EST Fri Dec 12 2025

LSZ249>251-265>267-122015-
/O.UPG.KMQT.GL.A.0037.251213T0300Z-251214T1200Z/
/O.NEW.KMQT.GL.W.0060.251213T0300Z-251214T1200Z/
/O.NEW.KMQT.UP.W.0018.251213T0600Z-251214T1200Z/
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point 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-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
310 AM EST Fri Dec 12 2025

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EST
SUNDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 1 AM SATURDAY TO
7 AM EST SUNDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 30 kt with
  gusts up to 35 kt and waves 7 to 12 ft expected. For the Heavy
  Freezing Spray Warning, heavy freezing spray at a rate of 2 cm
  per hour or greater expected, and may rapidly accumulate on
  vessels.

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

* WHEN...For the Gale Warning, from 10 PM this evening to 7 AM
  EST Sunday. For the Heavy Freezing Spray Warning, from 1 AM
  Saturday to 7 AM EST Sunday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of
  stability. Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

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.

&&

$$