Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 102004
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
304 PM CDT Sat May 10 2025

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

LMZ521-522-110100-
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-
304 PM CDT Sat May 10 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF THIS AFTERNOON...NE wind 10 to 20 kts with gusts to
around 25 kts. Sunny. Waves 1 to 3 ft.
.TONIGHT...E wind 5 to 10 kts. Clear. Waves 2 ft or less.
.SUNDAY...S wind 5 to 10 kts increasing to 10 to 20 kts in the
afternoon. Sunny. Waves 2 ft or less.
.SUNDAY NIGHT...S wind 10 to 15 kts. Clear. Waves 2 ft or less.
.MONDAY...S wind 5 to 10 kts. Sunny. Waves 2 ft or less.

$$

LMZ541-110100-
Rock Island Passage to Sturgeon Bay WI-
304 PM CDT Sat May 10 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF THIS AFTERNOON...N wind 10 to 20 kts with gusts to
around 25 kts. Sunny. Waves 1 to 3 ft.
.TONIGHT...NE wind 5 to 10 kts veering E after midnight. Clear.
Waves 2 ft or less.
.SUNDAY...S wind 5 to 10 kts increasing to 10 to 20 kts in the
afternoon. Sunny. Waves 1 to 3 ft.
.SUNDAY NIGHT...S wind 10 to 20 kts. Clear. Waves 1 to 3 ft.
.MONDAY...S wind 5 to 10 kts. Sunny. Waves 2 ft or less.

$$

LMZ542-543-110100-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
304 PM CDT Sat May 10 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF THIS AFTERNOON...NE wind 10 to 20 kts with gusts to
around 25 kts. Sunny. Waves 2 to 4 ft.
.TONIGHT...NE wind 10 to 15 kts. Clear. Waves 1 to 3 ft.
.SUNDAY...SE wind 5 to 10 kts veering S 10 to 20 kts in the
afternoon. Sunny. Waves 1 to 3 ft.
.SUNDAY NIGHT...S wind 10 to 15 kts. Clear. Waves 1 to 3 ft.
.MONDAY...S wind 5 to 10 kts. Sunny. Waves 2 ft or less.

$$

See Lake Michigan Open Lake Forecast for Tuesday through Thursday.