Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 091641
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
1041 AM CST Tue Dec 9 2025

For waters within five nautical miles of the shore on Lake Michigan

LMZ521-522-100300-
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-
1041 AM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...

.THIS AFTERNOON...W wind 10 to 15 kts. Mostly cloudy. Waves 2 ft
or less.
.TONIGHT...S wind 5 to 10 kts becoming NE 15 to 25 kts with gusts
to around 30 kts after midnight. Snow. Waves 1 to 3 ft building
to 3 to 5 ft early in the morning.
.WEDNESDAY...N wind 15 to 25 kts with gusts to around 30 kts.
Cloudy in the morning then becoming partly cloudy. Waves 4 to
7 ft subsiding to 3 to 5 ft in the afternoon.
.WEDNESDAY NIGHT...NW wind 10 to 20 kts with gusts to around
30 kts. Partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft
after midnight. A Small Craft Advisory may be needed.

$$

LMZ541-100300-
Rock Island Passage to Sturgeon Bay WI-
1041 AM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...

.THIS AFTERNOON...W wind 10 to 15 kts. Mostly cloudy. Waves 3 to
5 ft subsiding to 2 to 4 ft late.
.TONIGHT...S wind 5 to 10 kts becoming E 15 to 25 kts with gusts
to around 30 kts after midnight. Snow. Waves 2 to 4 ft subsiding
to 1 to 3 ft, then building to 4 to 7 ft early in the morning.
.WEDNESDAY...N wind 15 to 25 kts with gusts to around 30 kts.
Mostly cloudy. Waves 4 to 7 ft subsiding to 2 to 4 ft.
.WEDNESDAY NIGHT...NW wind 15 to 25 kts with gusts to around
30 kts. Mostly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft in
the late evening and overnight.

$$

LMZ542-543-100300-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1041 AM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
MORNING...

.THIS AFTERNOON...W wind 10 to 15 kts with gusts to around
25 kts. A slight chance of light snow. Waves 2 to 4 ft.
.TONIGHT...S wind 10 to 20 kts backing N 15 to 25 kts with gusts
to around 35 kts after midnight. Snow and a slight chance of
rain. Waves 1 to 3 ft building to 4 to 7 ft.
.WEDNESDAY...N wind to around 30 kts with gusts to around 35 kts.
A chance of light snow in the morning. Waves 5 to 8 ft subsiding
to 3 to 5 ft.
.WEDNESDAY NIGHT...NW wind 10 to 20 kts with gusts to around
25 kts. Partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft in
the late evening and overnight. A Small Craft Advisory may be
needed.

$$

See Lake Michigan Open Lake Forecast for Thursday through Saturday.