Gale Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
911 AM CST Thu Dec 4 2025
LMZ261-362-364-366-563-565-567-868-042315-
/O.CON.KMKX.GL.W.0034.251205T0300Z-251205T1500Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
911 AM CST Thu Dec 4 2025
...GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM
CST FRIDAY...
* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and
waves 7 to 12 ft expected.
* WHERE...Northern Open Waters of Lake Michigan.
* WHEN...From 9 PM this evening to 9 AM CST Friday.
* IMPACTS...Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
955 AM CST Thu Dec 4 2025
LMZ542-543-050000-
/O.CON.KGRB.SC.Y.0093.251205T0200Z-251205T1500Z/
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
955 AM CST Thu Dec 4 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 9 AM CST FRIDAY...
* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and
waves 3 to 6 ft expected.
* WHERE...Lake Michigan nearshore waters from Sturgeon Bay to
Sheboygan.
* WHEN...From 8 PM this evening to 9 AM CST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
911 AM CST Thu Dec 4 2025
LMZ643>646-042315-
/O.CON.KMKX.SC.Y.0106.251205T0400Z-251205T1700Z/
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-
911 AM CST Thu Dec 4 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 11 AM CST FRIDAY...
* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt
expected.
* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.
* WHEN...From 10 PM this evening to 11 AM CST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Sheppard
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
933 AM CST Thu Dec 4 2025
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-051545-
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
933 AM CST Thu Dec 4 2025
This Hazardous Weather Outlook is for the open waters of Lake Michigan.
.DAY ONE...This Afternoon and Tonight
Moderate freezing spray is expected this evening through tonight.
Southwest gales will develop mid to late evening across the
northern half of the lake. A Gale Warning is in effect.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
A Gale Warning will remain in effect for the northern half of Lake
Michigan through mid morning Friday.
Moderate freezing spray will continue through Friday morning.
$$
Sheppard
www.weather.gov/mkx
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
933 AM CST Thu Dec 4 2025
LMZ643>646-051545-
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-
933 AM CST Thu Dec 4 2025
This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.
.DAY ONE...This Afternoon and Tonight
A Small Craft Advisory is in effect late tonight for elevated
winds and waves.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
A Small Craft Advisory will remain in effect through late morning
Friday.
Additional Small Craft Advisories may be needed Monday night into
Wednesday.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
933 AM CST Thu Dec 4 2025
WIZ046-047-051-052-056>060-062>072-051545-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
933 AM CST Thu Dec 4 2025
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...This Afternoon and Tonight
Wind chills around -5 to -15 are expected this evening into
Tonight.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
346 AM CST Thu Dec 4 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-051000-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
346 AM CST Thu Dec 4 2025 /446 AM EST Thu Dec 4 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Excessive Cold Risk.
DISCUSSION...
Wind chills 10 below to 15 below zero are expected this morning
and again tonight into early Friday morning.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday morning...
Limited Excessive Cold Risk.
Sunday through Wednesday...
Limited Snow Risk.
DISCUSSION...
Wind chills of 10 below to 15 below zero are expected Thursday
morning and again Thursday night into early Friday morning.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
346 AM CST Thu Dec 4 2025
LMZ740>745-051000-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
346 AM CST Thu Dec 4 2025
This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Hazardous conditions for small craft.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Sunday through Wednesday...
Hazardous conditions for small craft are likely.
$$
Ratzer
Visit us at www.weather.gov/chicago
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
313 AM CST Thu Dec 4 2025
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-050915-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
313 AM CST Thu Dec 4 2025
This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
.DAY ONE...TODAY AND TONIGHT
Near record sub zero temperatures will be seen this morning, with
wind chills between 10 and 25 below zero at times.
Another cold night is expected tonight, with wind chills between
10 and 20 below zero, mainly across northern Illinois.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH TUESDAY
Accumulating snow will be possible Saturday night that may bring
slick conditions to area roads.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed tonight.
$$
GROSS
Hazardous Weather Outlook
National Weather Service Green Bay WI
241 AM CST Thu Dec 4 2025
LMZ521-522-541>543-050845-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
241 AM CST Thu Dec 4 2025
This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.
.DAY ONE...Today and Tonight
A Gale Warning is in effect from 9 pm Thursday to 6 am Friday
over the coastal waters of northern Door County where gusts to
around 35 knots are possible. Freezing spray will also be likely
due to the high waves and cold temperatures.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
The probability for widespread hazardous weather is low.
$$
Kurimski/Eckberg
Hazardous Weather Outlook
National Weather Service Green Bay WI
241 AM CST Thu Dec 4 2025
WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-050845-
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-
241 AM CST Thu Dec 4 2025
This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.
.DAY ONE...Today and Tonight
Hazardous wind chills of 10 below to 20 below zero are expected
this morning, which could lead to frost bite in 30 minutes. The
record or near record cold will continue this afternoon with highs
of 8 to 15 degrees away from Door County, which may result in
a few locations setting a record low maximum for December 4th.
A few record low temperatures are also possible this morning.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
Light snow may bring snow covered and slippery travel conditions
Friday afternoon and evening, impacting the commute home from
work or school.
Hazardous travel due to snow is again possible late Saturday
night into Sunday morning across central and east-central WI, and
across the entire area Monday afternoon into Tuesday morning.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today or tonight.
$$
