437
FZUS53 KGRB 300904
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
404 AM CDT Sat Aug 30 2025

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

LMZ521-522-301300-
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-
404 AM CDT Sat Aug 30 2025

.EARLY IN THE MORNING...W wind around 5 kts. Patchy fog. Waves
2 ft or less.
.TODAY...W wind around 5 kts backing S in the afternoon. Sunny.
Waves 2 ft or less.
.TONIGHT...S wind 5 to 10 kts veering W 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 around 5 kts veering SW after midnight.
Clear. Waves 2 ft or less.

$$

LMZ541-301300-
Rock Island Passage to Sturgeon Bay WI-
404 AM CDT Sat Aug 30 2025

.EARLY IN THE MORNING...W wind around 5 kts. Clear. Waves 2 ft or
less.
.TODAY...W wind around 5 kts backing SW in the afternoon. Sunny.
Waves 2 ft or less.
.TONIGHT...SW wind 5 to 10 kts veering W after midnight. Clear.
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.

$$

LMZ542-543-301300-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
404 AM CDT Sat Aug 30 2025

.EARLY IN THE MORNING...NW wind around 5 kts. Mostly clear. Waves
2 ft or less.
.TODAY...NW wind around 5 kts backing S in the afternoon. Sunny.
Waves 2 ft or less.
.TONIGHT...SW wind around 5 kts veering W after midnight. Clear.
Waves 2 ft or less.
.SUNDAY...W wind around 5 kts backing SE in the afternoon. Sunny.
Waves 2 ft or less.
.SUNDAY NIGHT...S wind around 5 kts veering SW after midnight.
Clear. Waves 2 ft or less.

$$

See Lake Michigan Open Lake Forecast for Monday through Wednesday.