Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 111909
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
209 PM CDT Mon Aug 11 2025

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

LMZ521-522-120200-
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-
209 PM CDT Mon Aug 11 2025

.THIS AFTERNOON...SW wind 10 to 15 kts. Patchy smoke. Waves 2 ft
or less.
.TONIGHT...SW wind 5 to 10 kts. Patchy smoke. A slight chance of
light showers after midnight. Waves 2 ft or less.
.TUESDAY...SW wind 10 to 20 kts. Patchy smoke in the morning. A
chance of light showers. A chance of thunderstorms in the
afternoon. Waves 2 ft or less.
.TUESDAY NIGHT...NW wind 5 to 10 kts. Mostly clear. Waves 2 ft or
less.

$$

LMZ541-120200-
Rock Island Passage to Sturgeon Bay WI-
209 PM CDT Mon Aug 11 2025

.THIS AFTERNOON...S wind 10 to 15 kts. Partly cloudy. Waves 1 to
3 ft.
.TONIGHT...SW wind 5 to 10 kts. Patchy smoke. A slight chance of
light showers after midnight. Waves 1 to 3 ft.
.TUESDAY...SW wind 10 to 20 kts. Patchy smoke in the morning. A
chance of light showers. A chance of thunderstorms in the
afternoon. Waves 1 to 3 ft.
.TUESDAY NIGHT...W wind 5 to 10 kts veering NW after midnight.
Mostly clear. Waves 1 to 3 ft.

$$

LMZ542-543-120200-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
209 PM CDT Mon Aug 11 2025

.THIS AFTERNOON...S wind 5 to 10 kts. Partly cloudy. Waves 2 ft
or less.
.TONIGHT...SW wind 5 to 10 kts. Patchy smoke. A slight chance of
light showers and thunderstorms after midnight. Waves 2 ft or
less.
.TUESDAY...SW wind 10 to 15 kts. Patchy smoke in the morning. A
chance of light showers and thunderstorms. 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.