Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 150623
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
123 AM CDT Tue Jul 15 2025

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

LMZ521-522-151300-
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-
123 AM CDT Tue Jul 15 2025

.OVERNIGHT...SW wind 5 to 10 kts. Mostly clear. Waves 2 ft or
less.
.TODAY...S wind 10 to 20 kts. Mostly sunny. Waves 2 ft or less.
.TONIGHT...S wind 5 to 10 kts veering SW after midnight. Partly
cloudy. Waves 2 ft or less.
.WEDNESDAY...NE wind 10 to 15 kts. A chance of thunderstorms.
Light showers likely in the afternoon. Waves 2 ft or less.

$$

LMZ541-151300-
Rock Island Passage to Sturgeon Bay WI-
123 AM CDT Tue Jul 15 2025

.OVERNIGHT...S wind 5 to 10 kts. Mostly clear. Waves 2 ft or
less.
.TODAY...S wind 10 to 20 kts. Mostly sunny. Waves 1 to 3 ft
building to 2 to 4 ft late in the afternoon.
.TONIGHT...S wind 10 to 20 kts veering SW 5 to 10 kts after
midnight. Partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft
in the late evening and overnight.
.WEDNESDAY...N wind 5 to 10 kts. A chance of light showers. A
chance of thunderstorms in the afternoon. Waves 2 ft or less.

$$

LMZ542-543-151300-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
123 AM CDT Tue Jul 15 2025

.OVERNIGHT...S wind 5 to 10 kts. Clear. Waves 2 ft or less.
.TODAY...S wind 10 to 20 kts. Sunny. Waves 1 to 3 ft.
.TONIGHT...S wind 10 to 15 kts. Mostly clear. Waves 1 to 3 ft.
.WEDNESDAY...E wind 5 to 10 kts backing NE 10 to 15 kts in the
afternoon. A chance of light showers and thunderstorms. Waves
2 ft or less.

$$

See Lake Michigan Open Lake Forecast for Thursday through Saturday.