Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
420 PM CST Tue Dec 2 2025
LMZ521-522-030630-
/O.CON.KGRB.SC.Y.0092.251203T0000Z-251204T0900Z/
Green Bay south of line from Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-
420 PM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST
THURSDAY...
* WHAT...West winds 15 to 20 kts with gusts up to 25 kts and waves
2 to 4 ft expected.
* WHERE...Central and Southern Bay of Green Bay.
* WHEN...Until 3 AM CST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
420 PM CST Tue Dec 2 2025
LMZ541>543-030630-
/O.CON.KGRB.SC.Y.0092.251203T0000Z-251204T0900Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
420 PM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST
THURSDAY...
* WHAT...West winds 15 to 20 kts with gusts up to 25 kts and waves
2 to 5 ft expected.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sheboygan.
* WHEN...Until 3 AM CST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
351 PM EST Tue Dec 2 2025
LMZ844>849-030500-
/O.CON.KGRR.SC.Y.0105.251203T0000Z-251205T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
351 PM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST THURSDAY...
* WHAT...Southwest wind increasing to 20 to 30 knots tonight,
veering to northwest Wednesday afternoon. Waves building to 7
to 11 feet tonight, and to 8 to 13 feet Wednesday.
* WHERE...St Joseph to Manistee.
* WHEN...From 7 PM this evening to 7 PM EST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
341 PM EST Tue Dec 2 2025
LHZ421-422-441-030930-
/O.CON.KDTX.SC.Y.0091.251203T0200Z-251204T2100Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-
341 PM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 4 PM EST THURSDAY...
* WHAT...Expect sustained winds up to 28 knots from the west
with gusts up to 31 knots. The largest significant waves will
be 5 feet with a potential maximum wave height of 7 feet.
* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to
Inner Saginaw Bay, Inner Saginaw Bay SW of Point Au Gres to
Bay Port MI and Port Austin to Harbor Beach MI.
* WHEN...The maximum winds are expected around 5 AM EST Thursday
with the largest waves expected around 9 AM EST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
215 PM CST Tue Dec 2 2025
LMZ643>646-030415-
/O.EXT.KMKX.SC.Y.0105.251203T0300Z-251204T1200Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
215 PM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO
6 AM CST THURSDAY...
* WHAT...Southwest winds 15 to 25 kt this evening into Wednesday
morning, becoming northwest Wednesday afternoon and night. Waves
3 to 5 feet near the open waters.
* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.
* WHEN...From 9 PM this evening to 6 AM CST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Wood
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
253 PM EST Tue Dec 2 2025
LMZ221-248-250-030800-
/O.EXT.KMQT.SC.Y.0191.251202T2100Z-251204T1200Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
253 PM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM EST THURSDAY...
* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves
2 to 5 ft expected.
* WHERE...Green Bay North of line from Cedar River MI to Rock
Island Passage, Seul Choix Point to Point Detour MI and 5NM
East of a line from Fairport MI to Rock Island Passage.
* WHEN...Until 7 AM EST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
253 PM EST Tue Dec 2 2025
LSZ245>251-030800-
/O.EXT.KMQT.SC.Y.0191.251203T0000Z-251203T1200Z/
/O.NEW.KMQT.GL.A.0033.251203T1200Z-251204T1200Z/
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-
253 PM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 PM THIS EVENING TO
7 AM EST WEDNESDAY...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY
MORNING...
* WHAT...For the Small Craft Advisory, southwest winds 10 to 20
kt with gusts up to 25 kt and waves 1 to 3 ft expected. For
the Gale Watch, northwest winds 20 to 30 kt with gusts up to
40 kt and waves 7 to 10 ft possible.
* WHERE...Portions of Central and Eastern Lake Superior.
* WHEN...For the Small Craft Advisory, from 7 PM this evening to
7 AM EST Wednesday. For the Gale Watch, from Wednesday morning
through Thursday morning.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
238 PM EST Tue Dec 2 2025
LHZ345>349-030530-
/O.CON.KAPX.SC.Y.0118.251203T0300Z-251204T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
238 PM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 7 PM EST WEDNESDAY...
* WHAT...Highest gusts up to 30 kts from the southwest and
highest waves around 7 feet expected.
* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge
including Mackinac Island, St Ignace to False Detour Channel,
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI
Including Thunder Bay National Marine Sanctuary and Sturgeon
Pt to Alabaster MI.
* WHEN...From 10 PM this evening to 7 PM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
238 PM EST Tue Dec 2 2025
LMZ323-341-342-344>346-030530-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
238 PM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...
* WHAT...Highest gusts up to 30 kts from the west and highest
waves around 8 feet expected.
* WHERE...Portions of Lake Michigan.
* WHEN...From 7 PM this evening to 7 PM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
238 PM EST Tue Dec 2 2025
LSZ321-030530-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
238 PM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...
* WHAT...Highest gusts up to 30 kts from the west and highest
waves around 9 feet expected.
* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
Iroquois MI.
* WHEN...From 7 PM this evening to 7 PM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Gale Watch
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
253 PM EST Tue Dec 2 2025
LSZ245>251-030800-
/O.EXT.KMQT.SC.Y.0191.251203T0000Z-251203T1200Z/
/O.NEW.KMQT.GL.A.0033.251203T1200Z-251204T1200Z/
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-
253 PM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 PM THIS EVENING TO
7 AM EST WEDNESDAY...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY
MORNING...
* WHAT...For the Small Craft Advisory, southwest winds 10 to 20
kt with gusts up to 25 kt and waves 1 to 3 ft expected. For
the Gale Watch, northwest winds 20 to 30 kt with gusts up to
40 kt and waves 7 to 10 ft possible.
* WHERE...Portions of Central and Eastern Lake Superior.
* WHEN...For the Small Craft Advisory, from 7 PM this evening to
7 AM EST Wednesday. For the Gale Watch, from Wednesday morning
through Thursday morning.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
253 PM EST Tue Dec 2 2025
LSZ264>267-030800-
/O.NEW.KMQT.GL.A.0033.251203T1200Z-251204T1200Z/
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
253 PM EST Tue Dec 2 2025
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY
MORNING...
* WHAT...Northwest winds 20 to 30 kt with gusts up to 40 kt and
waves 6 to 11 ft possible.
* WHERE...Lake Superior from Upper Entrance to Portage Canal to
Manitou Island MI 5NM off shore to the US/Canadian Border,
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore, Lake Superior East of a line from
Manitou Island to Marquette MI and West of a line from Grand
Marais MI to the US/Canadian Border Beyond 5NM from shore and
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM
off shore to the US/Canadian border.
* WHEN...From Wednesday morning through Thursday morning.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Green Bay WI
831 PM CST Tue Dec 2 2025
WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-040245-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
831 PM CST Tue Dec 2 2025
This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.
.DAY ONE...Tonight
Light snow may result in snow covered and slippery roads, mainly
after midnight.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
Light snow may lead to snow covered and slippery roads Wednesday
and again late Thursday night into Friday, especially across
northern Wisconsin.
Record or near record cold is expected Wednesday night and
Thursday. Hazardous wind chills of 10 below to 20 below zero are
forecast for late Wednesday night into Thursday morning over much
of the area. The cold will continue as below normal temperatures
are expected into next week.
.SPOTTER INFORMATION STATEMENT...
Spotters are requested to forward snowfall measurements to the
National Weather Service in Green Bay.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
335 PM EST Tue Dec 2 2025
LMZ844>849-030815-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
335 PM EST Tue Dec 2 2025
This hazardous weather outlook is for the nearshore waters from St
Joseph to Manistee.
.DAY ONE...Late This Afternoon and Tonight
Wind and waves will be hazardous to small craft tonight.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Wind and waves will be hazardous to small craft Wednesday through
Friday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
214 PM CST Tue Dec 2 2025
LMZ643>646-032015-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
214 PM CST Tue Dec 2 2025
This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.
.DAY ONE...Tonight
A Small Craft Advisory is in effect starting tonight for elevated
winds and waves.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
The Small Craft Advisory will continue through Wednesday night.
Additional Small Craft Advisories may be needed later this week.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
214 PM CST Tue Dec 2 2025
WIZ046-047-051-052-056>060-062>072-032015-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
214 PM CST Tue Dec 2 2025
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Tonight
Light snow will occur later tonight, which may bring slick
driving conditions.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
Light snow will occur into Wednesday morning, which may bring
slick driving conditions for the morning commute.
Wind chills will fall to 14 to 19 below zero Wednesday night and
Thursday morning, and again Thursday night into Friday morning.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
309 AM EST Tue Dec 2 2025
LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-030815-
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM
off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw
Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
309 AM EST Tue Dec 2 2025
This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.
.DAY ONE...Today and Tonight
Small craft advisories are in effect starting tonight for Saginaw
Bay and portions of the nearshore waters of Lake Huron. Refer to the
latest forecast for greater detail.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Small craft advisories are in effect through Thursday for Saginaw
Bay and portions of the nearshore waters of Lake Huron. Refer to the
latest forecast for greater detail.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today and tonight.
$$
You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.
MR
