Watches, Warnings & Advisories



3 products found for Marine Zone: LSZ248

Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
347 PM EST Fri Jan 23 2026

LSZ245>248-240600-
/O.CON.KMQT.UP.W.0004.000000T0000Z-260124T0600Z/
/O.CON.KMQT.SC.Y.0016.000000T0000Z-260124T0600Z/
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-
347 PM EST Fri Jan 23 2026

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 1 AM EST
SATURDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
SATURDAY...

* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
  spray at a rate of 2 cm per hour or greater occurring, and may
  rapidly accumulate on vessels. For the Small Craft Advisory,
  west winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6
  ft occurring.

* WHERE...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
  and Huron Islands to Marquette MI.

* WHEN...Until 1 AM EST Saturday.

* 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. Conditions will be hazardous to small craft.

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.

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

&&

$$



Heavy Freezing Spray Warning

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
347 PM EST Fri Jan 23 2026

LSZ245>248-240600-
/O.CON.KMQT.UP.W.0004.000000T0000Z-260124T0600Z/
/O.CON.KMQT.SC.Y.0016.000000T0000Z-260124T0600Z/
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-
347 PM EST Fri Jan 23 2026

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 1 AM EST
SATURDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
SATURDAY...

* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
  spray at a rate of 2 cm per hour or greater occurring, and may
  rapidly accumulate on vessels. For the Small Craft Advisory,
  west winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6
  ft occurring.

* WHERE...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
  and Huron Islands to Marquette MI.

* WHEN...Until 1 AM EST Saturday.

* 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. Conditions will be hazardous to small craft.

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.

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

&&

$$



Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Marquette MI
341 PM EST Fri Jan 23 2026

LSZ162-240>251-263>267-242045-
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-
341 PM EST Fri Jan 23 2026 /241 PM CST Fri Jan 23 2026/

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

.DAY ONE...Tonight

Heavy freezing spray continues tonight. See the latest Open Lake
Forecast, Marine Weather Message, and Marine Discussion for
additional details.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

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

$$