Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 151953
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
253 PM CDT Wed Oct 15 2025

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

LMZ521-522-160200-
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-
253 PM CDT Wed Oct 15 2025

.THIS AFTERNOON...NE wind around 5 kts. 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. A
chance of rain showers in the afternoon. Waves 2 ft or less.
.THURSDAY NIGHT...S wind 10 to 20 kts. Light rain showers. Waves
1 to 3 ft.

$$

LMZ541-160200-
Rock Island Passage to Sturgeon Bay WI-
253 PM CDT Wed Oct 15 2025

.THIS AFTERNOON...N wind 5 to 10 kts. 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. A
chance of rain showers in the afternoon. Waves 2 ft or less.
.THURSDAY NIGHT...S wind 10 to 20 kts with gusts to around
25 kts. Rain showers. Waves 1 to 3 ft building to 4 to 7 ft. A
Small Craft Advisory may be needed.

$$

LMZ542-543-160200-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
253 PM CDT Wed Oct 15 2025

.THIS AFTERNOON...NE wind 5 to 10 kts. Partly sunny. Waves 2 ft
or less.
.TONIGHT...NE wind 5 to 10 kts. Mostly clear. Waves 2 ft or less.
.THURSDAY...SE wind 10 to 15 kts veering S 10 to 20 kts in the
afternoon. A chance of sprinkles in the morning, then a chance of
rain showers in the afternoon. Waves 1 to 3 ft.
.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.

$$

See Lake Michigan Open Lake Forecast for Saturday through Monday.