Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 122358
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
558 PM CST Wed Nov 12 2025

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

LMZ522-130900-
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-
558 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CST THIS EVENING...

.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. Sunny. Waves 2 ft or less.
.THURSDAY NIGHT...W wind 5 to 10 kts backing SE after midnight.
Mostly clear. Waves 2 ft or less.
.FRIDAY...SE wind 5 to 10 kts. Sunny. Waves 2 ft or less.

$$

LMZ521-130900-
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-
558 PM CST Wed Nov 12 2025

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

.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. 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.
.FRIDAY...SE wind 5 to 10 kts. Mostly sunny. Waves 2 ft or less.

$$

LMZ541-130900-
Rock Island Passage to Sturgeon Bay WI-
558 PM CST Wed Nov 12 2025

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

.TONIGHT...NW wind 10 to 20 kts with gusts to around 30 kts.
Mostly clear. 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.
.FRIDAY...SE wind 10 to 15 kts. Mostly sunny. Waves 2 ft or less.

$$

LMZ542-543-130900-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
558 PM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CST THIS EVENING...

.TONIGHT...NW wind 10 to 20 kts with gusts to around 25 kts.
Clear. Waves 2 ft or less.
.THURSDAY...W wind 10 to 20 kts. Sunny. Waves 2 ft or less.
.THURSDAY NIGHT...W wind 5 to 10 kts. Mostly clear. Waves 2 ft or
less.
.FRIDAY...SE wind 10 to 15 kts. Sunny. Waves 2 ft or less.

$$

See Lake Michigan Open Lake Forecast for Saturday through Monday.