Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 100632
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
1232 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-
1232 AM CST Wed Dec 10 2025

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

.OVERNIGHT...NE wind 15 to 25 kts with gusts to around 30 kts.
Light snow. Waves 1 to 3 ft building to 3 to 5 ft toward
daybreak.
.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 in the afternoon.
.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 after
midnight.
.THURSDAY...W wind 10 to 15 kts. Partly sunny. Waves 2 ft or
less.

$$

LMZ541-101400-
Rock Island Passage to Sturgeon Bay WI-
1232 AM CST Wed Dec 10 2025

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

.OVERNIGHT...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
toward daybreak.
.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 in the afternoon.
.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 sunny. Waves 2 ft or less.

$$

LMZ542-543-101400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1232 AM CST Wed Dec 10 2025

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

.OVERNIGHT...NE wind 15 to 25 kts with gusts to around 35 kts.
Snow and a slight chance of rain. Waves 2 to 4 ft building to
4 to 7 ft toward daybreak.
.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.

$$

See Lake Michigan Open Lake Forecast for Friday through Sunday.