Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
953 PM CST Sun Dec 7 2025
LMZ740>745-081000-
/O.EXT.KLOT.SC.Y.0109.000000T0000Z-251208T1000Z/
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-
953 PM CST Sun Dec 7 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM CST MONDAY...
* WHAT...Northeast winds to 25 kt and significant waves to 7 ft
occasionally to 9 ft.
* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL
to Michigan City IN.
* WHEN...Until 4 AM CST Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
930 PM EST Sun Dec 7 2025
LMZ043-046-080900-
/O.CON.KIWX.SC.Y.0075.000000T0000Z-251208T0900Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
930 PM EST Sun Dec 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY...
* WHAT...Northeast winds 10 to 15 knots, and waves subsiding to 2
to 4 feet overnight.
* WHERE...Michigan City IN to St Joseph MI.
* WHEN...Until 4 AM EST Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
925 PM CST Sun Dec 7 2025
WIZ046-047-051-052-056>060-062>072-090330-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
925 PM CST Sun Dec 7 2025
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Tonight
A broken line of lake effect snow may wobble onshore tonight
across lakeshore counties. Generally less than 1 inch of snow is
expected.
.DAYS TWO THROUGH SEVEN...Monday through Sunday
Light snow is possible again Monday night, mainly north of the
I-94 corridor. Expecting around an inch or less in these areas.
A wintry mix is expected to develop Tuesday evening, with slick
spots on area roads possible due to continued cold pavement
temperatures. Wintry mix will transition to snow on Wednesday,
with uncertainty remaining in total snowfall amounts.
Additional rounds of snowfall are then possible through the end of
the work week, but confidence in timing is much lower.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
244 PM CST Sun Dec 7 2025
LMZ740>745-082045-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
244 PM CST Sun Dec 7 2025
This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.
.DAY ONE...Tonight.
Weather hazards expected...
Hazardous conditions for small craft.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday through Saturday...
Hazardous conditions for small craft are likely at times.
$$
RC
Visit us at www.weather.gov/chicago
Hazardous Weather Outlook
National Weather Service Lincoln IL
243 PM CST Sun Dec 7 2025
ILZ027>031-036>038-081200-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
243 PM CST Sun Dec 7 2025
This Hazardous Weather Outlook is for central Illinois.
.DAY ONE...Tonight.
Wind chills may drop below zero for a time this evening west of the
Illinois River, before winds diminish.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
There is a 60 to 80 percent chance that wind gusts reach 40 mph on
Wednesday, which would cause some difficult travel on north south
oriented highways.
Another shot of Arctic air will arrive late this week, with wind
chills well below zero Friday night and Saturday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated tonight.
$$
Hazardous Weather Outlook
National Weather Service Northern Indiana
227 PM EST Sun Dec 7 2025
INZ005>009-012>015-017-018-020-022>027-032>034-103-104-116-203-204-
216-MIZ078>081-177-277-OHZ001-002-004-005-015-016-024-025-081930-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-Northern La Porte-
Eastern St. Joseph IN-Northern Kosciusko-Southern La Porte-
Western St. Joseph IN-Southern Kosciusko-Cass MI-St. Joseph MI-
Branch-Hillsdale-Northern Berrien-Southern Berrien-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
227 PM EST Sun Dec 7 2025 /127 PM CST Sun Dec 7 2025/
This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.
.DAY ONE...This afternoon and tonight.
Snow will diminish by early this afternoon. Total accumulations
should range from 1 to 3 inches north of Highway 30. Colder
temperatures moving in tonight.
Cold temperatures near zero and wind chill readings below zero are
expected overnight into Monday morning.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Cold wind chill temperatures near zero are expected Monday night
into Tuesday morning.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Northern Indiana
227 PM EST Sun Dec 7 2025
LMZ043-046-081930-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
227 PM EST Sun Dec 7 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY...
This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.
.DAY ONE...This afternoon and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Small Craft Advisory.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Andersen
