Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 091237
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
737 AM CDT Fri May 9 2025

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

LMZ521-522-092000-
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-
737 AM CDT Fri May 9 2025

.TODAY...SW wind 5 to 10 kts. Sunny. Waves 2 ft or less.
.TONIGHT...SW wind 5 to 10 kts veering NW after midnight. A
chance of sprinkles. Waves 2 ft or less.
.SATURDAY...NE wind 10 to 20 kts. Sunny. Waves 1 to 3 ft.
.SATURDAY NIGHT...E wind 5 to 10 kts. Clear. Waves 2 ft or less.

$$

LMZ541-092000-
Rock Island Passage to Sturgeon Bay WI-
737 AM CDT Fri May 9 2025

.TODAY...S wind 5 to 10 kts increasing to 10 to 20 kts in the
afternoon. Sunny. Waves 2 ft or less.
.TONIGHT...SW wind 10 to 20 kts veering NW after midnight. A
chance of sprinkles. Waves 1 to 3 ft.
.SATURDAY...N wind 10 to 20 kts. Sunny. Waves 1 to 3 ft.
.SATURDAY NIGHT...NE wind 5 to 10 kts veering E after midnight.
Clear. Waves 2 ft or less.

$$

LMZ542-543-092000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
737 AM CDT Fri May 9 2025

.TODAY...S wind 5 to 10 kts. Sunny. Waves 2 ft or less.
.TONIGHT...S wind 5 to 10 kts veering W after midnight. A chance
of sprinkles. Waves 2 ft or less.
.SATURDAY...NE wind 10 to 20 kts. Sunny. Waves 1 to 3 ft building
to 2 to 4 ft in the afternoon.
.SATURDAY NIGHT...NE wind 10 to 15 kts. Clear. Waves 1 to 3 ft.

$$

See Lake Michigan Open Lake Forecast for Sunday through Tuesday.