Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
956 PM CST Tue Dec 2 2025
LMZ740>743-031200-
/O.CON.KLOT.SC.Y.0106.000000T0000Z-251203T1600Z/
/O.CON.KLOT.SC.Y.0107.251204T0300Z-251204T1500Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
956 PM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM WEDNESDAY TO
9 AM CST THURSDAY...
* WHAT...For the first Small Craft Advisory, southwest winds to 25
to 30 kt expected. For the second Small Craft Advisory,
northwest winds to 25 kt and significant waves to 7 ft
occasionally to 9 ft expected.
* WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet
Harbor IL to Gary IN.
* WHEN...For the first Small Craft Advisory, until 10 AM CST
Wednesday. For the second Small Craft Advisory, from 9 PM
Wednesday to 9 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
904 PM CST Tue Dec 2 2025
LMZ541>543-031115-
/O.CON.KGRB.SC.Y.0092.000000T0000Z-251204T0900Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
904 PM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST
THURSDAY...
* WHAT...West winds 15 to 20 kts with gusts up to 25 kts and
waves 2 to 5 ft.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sheboygan.
* WHEN...Until 3 AM CST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
855 PM CST Tue Dec 2 2025
LMZ643>646-031100-
/O.CON.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-
855 PM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 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...Until 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.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Green Bay WI
831 PM CST Tue Dec 2 2025
WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-040245-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
831 PM CST Tue Dec 2 2025
This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.
.DAY ONE...Tonight
Light snow may result in snow covered and slippery roads, mainly
after midnight.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
Light snow may lead to snow covered and slippery roads Wednesday
and again late Thursday night into Friday, especially across
northern Wisconsin.
Record or near record cold is expected Wednesday night and
Thursday. Hazardous wind chills of 10 below to 20 below zero are
forecast for late Wednesday night into Thursday morning over much
of the area. The cold will continue as below normal temperatures
are expected into next week.
.SPOTTER INFORMATION STATEMENT...
Spotters are requested to forward snowfall measurements to the
National Weather Service in Green Bay.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
234 PM CST Tue Dec 2 2025
LMZ740>745-032045-
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-
234 PM CST Tue Dec 2 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...Tonight.
Weather hazards expected...
Hazardous conditions for small craft.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday and Thursday...
Hazardous conditions for small craft are likely.
Sunday...
Hazardous conditions for small craft are likely.
$$
- Izzi
Visit us at www.weather.gov/chicago
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
214 PM CST Tue Dec 2 2025
LMZ643>646-032015-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
214 PM CST Tue Dec 2 2025
This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.
.DAY ONE...Tonight
A Small Craft Advisory is in effect starting tonight for elevated
winds and waves.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
The Small Craft Advisory will continue through Wednesday night.
Additional Small Craft Advisories may be needed later this week.
$$
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.
$$
