Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 310438
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
1138 PM CDT Sat Aug 30 2025

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

LMZ521-522-311000-
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-
1138 PM CDT Sat Aug 30 2025

.REST OF THE NIGHT...S wind 5 to 10 kts veering SW after
midnight. Patchy fog after midnight. Waves 2 ft or less.
.SUNDAY...SW wind around 5 kts backing S in the afternoon. Sunny.
Waves 2 ft or less.
.SUNDAY NIGHT...S wind 5 to 10 kts veering SW after midnight.
Clear. Waves 2 ft or less.
.MONDAY...SW wind around 5 kts backing S in the afternoon. Sunny.
Waves 2 ft or less.

$$

LMZ541-311000-
Rock Island Passage to Sturgeon Bay WI-
1138 PM CDT Sat Aug 30 2025

.REST OF THE NIGHT...SW wind 5 to 10 kts. Patchy fog after
midnight. Waves 2 ft or less.
.SUNDAY...S wind 5 to 10 kts. Sunny. Waves 2 ft or less.
.SUNDAY NIGHT...SW wind 5 to 10 kts. Clear. Waves 2 ft or less.
.MONDAY...SW wind around 5 kts backing S in the afternoon. Sunny.
Waves 2 ft or less.

$$

LMZ542-543-311000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1138 PM CDT Sat Aug 30 2025

.REST OF THE NIGHT...SW wind 5 to 10 kts veering W after
midnight. Clear. Waves 2 ft or less.
.SUNDAY...SW wind around 5 kts backing S in the afternoon. Sunny.
Waves 2 ft or less.
.SUNDAY NIGHT...S wind around 5 kts veering W after midnight.
Clear. Waves 2 ft or less.
.MONDAY...SW wind around 5 kts backing S in the afternoon. Sunny.
Waves 2 ft or less.

$$

See Lake Michigan Open Lake Forecast for Tuesday through Thursday.