Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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106
FZUS53 KGRB 121439
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
839 AM CST Wed Nov 12 2025

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

LMZ522-122100-
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-
839 AM CST Wed Nov 12 2025

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

.TODAY...NW wind 15 to 25 kts with gusts to around 30 kts. Sunny.
Waves 2 to 4 ft subsiding to 1 to 3 ft late in the afternoon.
.TONIGHT...W wind 10 to 20 kts with gusts to around 25 kts.
Clear. Waves 1 to 3 ft.
.THURSDAY...W wind 10 to 20 kts. Mostly sunny. Waves 2 ft or
less.
.THURSDAY NIGHT...W wind 5 to 10 kts veering N after midnight.
Partly cloudy. Waves 2 ft or less.

$$

LMZ521-122100-
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-
839 AM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...NW wind 10 to 20 kts with gusts to around 30 kts. Partly
cloudy. Waves 3 to 5 ft.
.TONIGHT...W wind 10 to 20 kts with gusts to around 30 kts.
Mostly clear. Waves 2 to 4 ft subsiding to 1 to 3 ft in the late
evening and overnight.
.THURSDAY...W wind 10 to 20 kts. Sunny. Waves 1 to 3 ft.
.THURSDAY NIGHT...W wind 5 to 10 kts veering N after midnight.
Mostly clear. Waves 2 ft or less.

$$

LMZ541-122100-
Rock Island Passage to Sturgeon Bay WI-
839 AM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...NW wind 15 to 25 kts with gusts to around 30 kts. Partly
cloudy. Waves 2 to 4 ft.
.TONIGHT...NW wind 10 to 20 kts with gusts to around 30 kts.
Partly cloudy in the evening then clearing. Waves 1 to 3 ft.
.THURSDAY...W wind 10 to 20 kts. Sunny. Waves 2 ft or less.
.THURSDAY NIGHT...W wind 5 to 10 kts veering N after midnight.
Mostly clear. Waves 2 ft or less.

$$

LMZ542-543-122100-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
839 AM CST Wed Nov 12 2025

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

.TODAY...NW wind 15 to 25 kts with gusts to around 30 kts. Sunny.
Waves 2 to 4 ft subsiding to 1 to 3 ft late in the afternoon.
.TONIGHT...W wind 10 to 20 kts with gusts to around 25 kts.
Clear. Waves 2 ft or less.
.THURSDAY...W wind 10 to 20 kts. Mostly sunny. Waves 2 ft or
less.
.THURSDAY NIGHT...W wind 5 to 10 kts. Partly cloudy. Waves 2 ft
or less.

$$

See Lake Michigan Open Lake Forecast for Friday through Sunday.