Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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590
FZUS53 KGRB 120630
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
130 AM CDT Mon May 12 2025

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

LMZ521-522-121300-
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-
130 AM CDT Mon May 12 2025

.OVERNIGHT...S wind 5 to 10 kts. Clear. Waves 2 ft or less.
.TODAY...S wind 5 to 10 kts. Sunny. Waves 2 ft or less.
.TONIGHT...SE wind 5 to 10 kts. Mostly clear. Waves 2 ft or less.
.TUESDAY...E wind 5 to 10 kts. Partly cloudy. Waves 2 ft or less.

$$

LMZ541-121300-
Rock Island Passage to Sturgeon Bay WI-
130 AM CDT Mon May 12 2025

.OVERNIGHT...S wind 5 to 10 kts. Clear. Waves 1 to 3 ft.
.TODAY...S wind 5 to 10 kts. Sunny. Waves 2 ft or less.
.TONIGHT...SE wind 5 to 10 kts. Mostly clear. Waves 2 ft or less.
.TUESDAY...SE wind 5 to 10 kts backing E in the afternoon. Partly
sunny. Waves 2 ft or less.

$$

LMZ542-543-121300-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
130 AM CDT Mon May 12 2025

.OVERNIGHT...S wind 5 to 10 kts. Clear. Waves 2 ft or less.
.TODAY...S wind 5 to 10 kts. Sunny. Waves 2 ft or less.
.TONIGHT...E wind 5 to 10 kts. Partly cloudy. Waves 2 ft or less.
.TUESDAY...E wind 5 to 10 kts. Mostly cloudy. Waves 2 ft or less.

$$

See Lake Michigan Open Lake Forecast for Wednesday through Friday.