Winter Storm Warnings
December 19 2025
* WHAT...For the Small Craft Advisory, south winds 15 to 20 kt
with gusts up to 30 kt and waves 2 to 3 ft expected. For the
Gale Warning, west winds 20 to 30 kt with gusts up to 45 kt
and waves 6 to 9 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...Saxon Harbor WI to Black River MI.
* WHEN...For the Small Craft Advisory, from 10 PM EST /9 PM CST/
this evening to 7 AM EST /6 AM CST/ Saturday. For the Gale
Warning, from 7 AM EST /6 AM CST/ Saturday to 1 AM EST
/midnight CST/ Sunday. For the Heavy Freezing Spray Warning,
from 1 PM EST /noon CST/ Saturday to 7 AM EST /6 AM CST/
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.
* WHAT...For the Small Craft Advisory, southwest winds 15 to 25
kt with gusts up to 30 kt and waves 6 to 11 ft occurring. For
the Gale Warning, west winds 20 to 30 kt with gusts up to 45
kt and waves 6 to 9 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...Huron Islands to Marquette MI.
* WHEN...For the Small Craft Advisory, until 11 AM EST Saturday.
For the Gale Warning, from 11 AM Saturday to 7 AM EST Sunday.
For the Heavy Freezing Spray Warning, from 4 PM Saturday to 8
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.
* WHAT...For the first Small Craft Advisory, north winds 5 to 10
kt with gusts up to 15 kt and waves 4 to 6 ft occurring. For
the second Small Craft Advisory, south winds 15 to 20 kt with
gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale
Warning, west winds 25 to 35 kt with gusts up to 45 kt and
waves 10 to 15 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...Black River to Ontonagon MI and Ontonagon to Upper
Entrance of Portage Canal MI.
* WHEN...For the first Small Craft Advisory, until 5 PM EST /4
PM CST/ this afternoon. For the second Small Craft Advisory,
from 10 PM EST /9 PM CST/ this evening to 7 AM EST /6 AM CST/
Saturday. For the Gale Warning, from 7 AM EST /6 AM CST/
Saturday to 1 AM EST /midnight CST/ Sunday. For the Heavy
Freezing Spray Warning, from 1 PM EST /noon CST/ Saturday to 7
AM EST /6 AM CST/ 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.
* WHAT...For the Small Craft Advisory, south winds 15 to 25 kt
with gusts up to 30 kt and waves 6 to 11 ft expected. For the
Gale Warning, west winds 20 to 30 kt with gusts up to 40 kt
and waves 10 to 15 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...Grand Marais to Whitefish Point MI.
* WHEN...For the Small Craft Advisory, until 4 PM EST Saturday.
For the Gale Warning, from 4 PM Saturday to 7 AM EST Sunday.
For the Heavy Freezing Spray Warning, from 4 PM Saturday to 8
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.
* WHAT...For the first Small Craft Advisory, north winds 10 to
15 kt and waves 4 to 7 ft occurring. For the second Small
Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt
and waves 2 to 4 ft expected. For the Gale Warning, west winds
25 to 35 kt with gusts up to 45 kt and waves 12 to 17 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...Upper Entrance of Portage Canal to Eagle River MI.
* WHEN...For the first Small Craft Advisory, until 6 PM EST this
evening. For the second Small Craft Advisory, from 10 PM this
evening to 7 AM EST Saturday. For the Gale Warning, from 7 AM
Saturday to 1 AM EST Sunday. For the Heavy Freezing Spray
Warning, from 1 PM 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.
* WHAT...For the Small Craft Advisory, southwest winds 15 to 25
kt with gusts up to 35 kt and waves 10 to 15 ft occurring. For
the Gale Warning, northwest winds 20 to 30 kt with gusts up to
40 kt and waves 9 to 14 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...Marquette to Munising MI and Munising to Grand Marais
MI.
* WHEN...For the Small Craft Advisory, until 4 PM EST Saturday.
For the Gale Warning, from 4 PM Saturday to 7 AM EST Sunday.
For the Heavy Freezing Spray Warning, from 4 PM Saturday to 8
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.
* WHAT...For the Gale Warning, west winds 25 to 35 kt with gusts
up to 45 kt and waves 9 to 14 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...Lake Superior west of a line from Saxon Harbor WI to
Grand Portage MN beyond 5NM and 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.
* WHEN...For the Gale Warning, from 7 AM EST /6 AM CST/ Saturday
to 1 AM EST /midnight CST/ Sunday. For the Heavy Freezing
Spray Warning, from 1 PM EST /noon CST/ Saturday to 7 AM EST
/6 AM CST/ 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.
* WHAT...For the Gale Warning, west winds 25 to 35 kt with gusts
up to 45 kt and waves 13 to 18 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...Lake Superior from Grand Marais MI to Whitefish Point
MI 5NM off shore to the US/Canadian border.
* WHEN...For the Gale Warning, from 4 AM Saturday to 7 AM EST
Sunday. For the Heavy Freezing Spray Warning, from 4 PM
Saturday to 8 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.
* WHAT...For the Gale Warning, west winds 25 to 35 kt with gusts
up to 45 kt and waves 12 to 17 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...Lake Superior from Upper Entrance to Portage Canal to
Manitou Island MI 5NM off shore to the US/Canadian Border.
* WHEN...For the Gale Warning, from 7 AM Saturday to 7 AM EST
Sunday. For the Heavy Freezing Spray Warning, from 1 PM
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.
* WHAT...For the first Small Craft Advisory, north winds 10 to
20 kt with gusts up to 25 kt and waves 6 to 9 ft occurring.
For the second Small Craft Advisory, south winds 15 to 25 kt
with gusts up to 35 kt and waves 3 to 6 ft expected. For the
Gale Warning, west winds 25 to 35 kt with gusts up to 45 kt
and waves 12 to 17 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...Eagle River to Manitou Island MI.
* WHEN...For the first Small Craft Advisory, until 7 PM EST this
evening. For the second Small Craft Advisory, from 10 PM this
evening to 7 AM EST Saturday. For the Gale Warning, from 7 AM
Saturday to 7 AM EST Sunday. For the Heavy Freezing Spray
Warning, from 1 PM 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.
* WHAT...For the Gale Warning, west winds 25 to 35 kt with gusts
up to 45 kt and waves 6 to 11 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...Lake Superior West of Line from Manitou Island to
Marquette MI Beyond 5NM from shore.
* WHEN...For the Gale Warning, from 11 AM Saturday to 7 AM EST
Sunday. For the Heavy Freezing Spray Warning, from 4 PM
Saturday to 8 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.
* WHAT...For the Small Craft Advisory, south winds 15 to 25 kt
with gusts up to 30 kt and waves 3 to 6 ft expected. For the
Gale Warning, west winds 20 to 30 kt with gusts up to 45 kt
and waves 4 to 7 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...Manitou Island to Point Isabelle MI, Point Isabelle to
Lower Entrance of Portage Canal MI and Lower Entrance of
Portage Canal To Huron Islands MI Including Keweenaw and Huron
Bays.
* WHEN...For the Small Craft Advisory, from 11 PM this evening
to 11 AM EST Saturday. For the Gale Warning, from 11 AM
Saturday to 7 AM EST Sunday. For the Heavy Freezing Spray
Warning, from 4 PM Saturday to 8 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.
* WHAT...For the Gale Warning, west winds 25 to 35 kt with gusts
up to 45 kt and waves 11 to 16 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...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.
* WHEN...For the Gale Warning, from 1 AM Saturday to 7 AM EST
Sunday. For the Heavy Freezing Spray Warning, from 4 PM
Saturday to 8 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.
