646
FZUS53 KGRB 151043
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
543 AM CDT Wed Oct 15 2025

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

LMZ521-522-152000-
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-
543 AM CDT Wed Oct 15 2025

.TODAY...NE wind 5 to 10 kts. Mostly cloudy in the morning then
becoming partly cloudy. Waves 2 ft or less.
.TONIGHT...NE wind 5 to 10 kts. Clear. Waves 2 ft or less.
.THURSDAY...SE wind 5 to 10 kts veering S in the afternoon.
Partly cloudy. Waves 2 ft or less.
.THURSDAY NIGHT...S wind 10 to 20 kts. Light rain showers likely.
Waves 1 to 3 ft.

$$

LMZ541-152000-
Rock Island Passage to Sturgeon Bay WI-
543 AM CDT Wed Oct 15 2025

.TODAY...N wind 5 to 10 kts. Partly sunny. Waves 2 ft or less.
.TONIGHT...NE wind 5 to 10 kts. Clear. Waves 2 ft or less.
.THURSDAY...SE wind 5 to 10 kts veering S 10 to 15 kts in the
afternoon. Mostly sunny in the morning then becoming partly
cloudy. Waves 2 ft or less.
.THURSDAY NIGHT...S wind 10 to 20 kts with gusts to around
25 kts. Light rain showers likely. Waves 1 to 3 ft building to
4 to 7 ft. A Small Craft Advisory may be needed.

$$

LMZ542-543-152000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
543 AM CDT Wed Oct 15 2025

.TODAY...NE wind 5 to 10 kts. Mostly cloudy in the morning then
becoming partly cloudy. Waves 1 to 3 ft.
.TONIGHT...NE wind 5 to 10 kts. Mostly clear. Waves 2 ft or less.
.THURSDAY...SE wind 10 to 20 kts. Mostly sunny in the morning
then becoming partly cloudy. Waves 1 to 3 ft.
.THURSDAY NIGHT...S wind 10 to 20 kts. A chance of rain showers.
Waves 3 to 5 ft building to 4 to 7 ft early in the morning. A
Small Craft Advisory may be needed.

$$

See Lake Michigan Open Lake Forecast for Friday through Sunday.