Watches, Warnings & Advisories



3 products found for Marine Zone: LSZ248

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Marquette MI
439 AM EST Wed Dec 31 2025

LSZ162-240>251-263>267-010945-
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-
439 AM EST Wed Dec 31 2025 /339 AM CST Wed Dec 31 2025/

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

.DAY ONE...Today and Tonight

A reinforcing shot of Arctic air across the lake is expected to
result in northwesterly gales and heavy freezing spray at times
today, especially over the central and eastern lake.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

A reinforcing shot of Arctic air across the lake is expected to
result in northwesterly gales and heavy freezing spray at times
Wednesday through the end of the week, especially over the
central and eastern lake.

.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
420 AM EST Wed Dec 31 2025

LSZ248>251-312130-
/O.CON.KMQT.SC.Y.0214.000000T0000Z-251231T1500Z/
/O.CON.KMQT.UP.W.0023.251231T1200Z-260102T0000Z/
/O.CON.KMQT.GL.W.0069.251231T1500Z-260102T0000Z/
Huron Islands to Marquette MI-Marquette to Munising MI-
Munising to Grand Marais MI-Grand Marais to Whitefish Point MI-
420 AM EST Wed Dec 31 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 PM EST
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM
EST THURSDAY...

* WHAT...For the Small Craft Advisory, northwest winds 15 to 25
  kt with gusts up to 30 kt and waves 5 to 8 ft occurring. 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. For the Gale Warning, northwest winds
  20 to 30 kt with gusts up to 40 kt and waves 9 to 14 ft
  expected.

* WHERE...Huron Islands to Marquette MI, Marquette to Munising
  MI, Munising to Grand Marais MI and Grand Marais to Whitefish
  Point MI.

* WHEN...For the Small Craft Advisory, until 10 AM EST this
  morning. For the Heavy Freezing Spray Warning, until 7 PM EST
  Thursday. For the Gale Warning, from 10 AM this morning to 7
  PM EST Thursday.

* 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
420 AM EST Wed Dec 31 2025

LSZ248>251-312130-
/O.CON.KMQT.SC.Y.0214.000000T0000Z-251231T1500Z/
/O.CON.KMQT.UP.W.0023.251231T1200Z-260102T0000Z/
/O.CON.KMQT.GL.W.0069.251231T1500Z-260102T0000Z/
Huron Islands to Marquette MI-Marquette to Munising MI-
Munising to Grand Marais MI-Grand Marais to Whitefish Point MI-
420 AM EST Wed Dec 31 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 PM EST
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM
EST THURSDAY...

* WHAT...For the Small Craft Advisory, northwest winds 15 to 25
  kt with gusts up to 30 kt and waves 5 to 8 ft occurring. 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. For the Gale Warning, northwest winds
  20 to 30 kt with gusts up to 40 kt and waves 9 to 14 ft
  expected.

* WHERE...Huron Islands to Marquette MI, Marquette to Munising
  MI, Munising to Grand Marais MI and Grand Marais to Whitefish
  Point MI.

* WHEN...For the Small Craft Advisory, until 10 AM EST this
  morning. For the Heavy Freezing Spray Warning, until 7 PM EST
  Thursday. For the Gale Warning, from 10 AM this morning to 7
  PM EST Thursday.

* 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.

&&

$$