Watches, Warnings & Advisories



2 products issued by NWS for: 25NM E Ashland WI

Heavy Freezing Spray Warning

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
934 AM EST Sun Feb 16 2025

LSZ240-263-264-162245-
/O.EXT.KMQT.UP.W.0012.000000T0000Z-250218T1200Z/
Saxon Harbor WI to Black River 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-
934 AM EST Sun Feb 16 2025 /834 AM CST Sun Feb 16 2025/

...HEAVY FREEZING SPRAY WARNING NOW IN EFFECT UNTIL 7 AM EST
/6 AM CST/ TUESDAY...

* WHAT...Heavy freezing spray at a rate of 2 cm per hour or
  greater occurring, and may rapidly accumulate on vessels.

* WHERE...Saxon Harbor WI to Black River 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 and Lake Superior from Upper Entrance to Portage Canal to
  Manitou Island MI 5NM off shore to the US/Canadian Border.

* WHEN...Until 7 AM EST /6 AM CST/ Tuesday.

* 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.

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.

&&

$$



Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Marquette MI
320 AM EST Sun Feb 16 2025

LSZ162-240>251-263>267-170830-
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-
320 AM EST Sun Feb 16 2025 /220 AM CST Sun Feb 16 2025/

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

.DAY ONE...Today and Tonight

Heavy freezing spray is expected. See the latest marine weather
product and Lake Superior forecast for further details.

A few gale force gusts to 35 knots are possible Sunday across
south central Lake Superior.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Heavy freezing spray is expected at times through Tuesday. See
the latest marine weather product and Lake Superior forecast for
further details.

.SPOTTER INFORMATION STATEMENT...

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

$$