Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 120905
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
405 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-
405 AM CDT Mon May 12 2025

.EARLY IN THE MORNING...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. Patchy fog in the morning. Waves
2 ft or less.
.TUESDAY NIGHT...E wind 5 to 10 kts. Mostly cloudy. Waves 2 ft or
less.

$$

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

.EARLY IN THE MORNING...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. Patchy fog after midnight. Waves
2 ft or less.
.TUESDAY...SE wind 5 to 10 kts backing E in the afternoon. Patchy
fog in the morning. Waves 2 ft or less.
.TUESDAY NIGHT...E wind 5 to 10 kts. Mostly cloudy. Waves 2 ft or
less.

$$

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

.EARLY IN THE MORNING...S wind around 5 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. Patchy fog after midnight. Waves
2 ft or less.
.TUESDAY...E wind 5 to 10 kts. Patchy fog in the morning. Waves
2 ft or less.
.TUESDAY NIGHT...E wind 5 to 10 kts. Mostly cloudy. Waves 2 ft or
less.

$$

See Lake Michigan Open Lake Forecast for Wednesday through Friday.