Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 111110
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
610 AM CDT Mon Aug 11 2025

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

LMZ521-522-112000-
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-
610 AM CDT Mon Aug 11 2025

.TODAY...SW wind 5 to 10 kts. Partly cloudy. Waves 2 ft or less.
.TONIGHT...SW wind 5 to 10 kts. A slight chance of light showers
after midnight. Waves 2 ft or less.
.TUESDAY...SW wind 10 to 20 kts. A chance of showers and
thunderstorms in the afternoon. Waves 2 ft or less.
.TUESDAY NIGHT...NW wind 5 to 10 kts. Clear. Waves 2 ft or less.

$$

LMZ541-112000-
Rock Island Passage to Sturgeon Bay WI-
610 AM CDT Mon Aug 11 2025

.TODAY...SW wind 5 to 10 kts. Patchy fog in the morning. A slight
chance of light showers in the morning. Waves 1 to 3 ft.
.TONIGHT...SW wind 5 to 10 kts. A chance of light showers after
midnight. Waves 2 ft or less.
.TUESDAY...SW wind 10 to 20 kts. Showers likely and a chance of
thunderstorms in the afternoon. Waves 1 to 3 ft.
.TUESDAY NIGHT...NW wind 5 to 10 kts. Mostly clear. Waves 2 ft or
less.

$$

LMZ542-543-112000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
610 AM CDT Mon Aug 11 2025

.TODAY...SW wind 5 to 10 kts. Patchy fog in the morning. Waves
2 ft or less.
.TONIGHT...SW wind 5 to 10 kts. A chance of light showers and a
slight chance of thunderstorms after midnight. Waves 2 ft or
less.
.TUESDAY...SW wind 5 to 10 kts increasing to 10 to 20 kts in the
afternoon. A chance of showers. A chance of thunderstorms in the
afternoon. Waves 2 ft or less.
.TUESDAY NIGHT...W wind 5 to 10 kts veering NW after midnight.
Mostly clear. Waves 2 ft or less.

$$

See Lake Michigan Open Lake Forecast for Wednesday through Friday.