Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 100813
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
213 AM CST Wed Dec 10 2025

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

LMZ521-522-101400-
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-
213 AM CST Wed Dec 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.EARLY IN THE MORNING...NE wind 15 to 25 kts with gusts to around
30 kts. A chance of light snow. Waves 1 to 3 ft building to 3 to
5 ft early in the morning.
.TODAY...N wind 15 to 25 kts with gusts to around 30 kts. A
slight chance of light snow in the morning. Waves 3 to 5 ft.
.TONIGHT...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 early in
the morning.
.THURSDAY...W wind 10 to 15 kts. Partly cloudy. Waves 1 to 3 ft.
.THURSDAY NIGHT...W wind 5 to 10 kts. Mostly cloudy. Waves 2 ft
or less.

$$

LMZ541-101400-
Rock Island Passage to Sturgeon Bay WI-
213 AM CST Wed Dec 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.EARLY IN THE MORNING...NE wind 15 to 25 kts with gusts to around
30 kts. A chance of light snow. Waves 2 to 4 ft building to 3 to
5 ft early in the morning.
.TODAY...N wind 15 to 25 kts with gusts to around 30 kts. A
slight chance of light snow in the morning. Waves 4 to 7 ft
subsiding to 3 to 5 ft.
.TONIGHT...NW wind 15 to 25 kts with gusts to around 30 kts.
Partly cloudy in the evening then becoming mostly cloudy. Waves
2 to 4 ft subsiding to 1 to 3 ft in the late evening and
overnight.
.THURSDAY...NW wind 10 to 20 kts backing W 5 to 10 kts in the
afternoon. Partly cloudy in the morning then becoming mostly
cloudy. Waves 2 ft or less.
.THURSDAY NIGHT...W wind 5 to 10 kts. Mostly cloudy. Waves 2 ft
or less.

$$

LMZ542-543-101400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
213 AM CST Wed Dec 10 2025

...GALE WARNING IN EFFECT UNTIL NOON CST TODAY...

.EARLY IN THE MORNING...NE wind 15 to 25 kts with gusts to around
35 kts. Snow and a slight chance of rain. Waves 3 to 5 ft
building to 4 to 7 ft early in the morning.
.TODAY...N wind to around 30 kts with gusts to around 35 kts. A
slight chance of light snow in the morning. Waves 5 to 8 ft
subsiding to 3 to 5 ft.
.TONIGHT...NW wind 10 to 20 kts with gusts to around 25 kts.
Mostly clear. Waves 2 to 4 ft subsiding to 1 to 3 ft in the late
evening and overnight. A Small Craft Advisory may be needed.
.THURSDAY...NW wind 10 to 20 kts backing W 5 to 10 kts in the
afternoon. Partly cloudy. Waves 2 ft or less.
.THURSDAY NIGHT...W wind 5 to 10 kts. Mostly cloudy. Waves 2 ft
or less.

$$

See Lake Michigan Open Lake Forecast for Friday through Sunday.