541
FZUS53 KGRB 132320
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
620 PM CDT Wed Aug 13 2025

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

LMZ521-522-140800-
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-
620 PM CDT Wed Aug 13 2025

.TONIGHT...NE wind 5 to 10 kts. Areas of smoke in the evening.
Waves 2 ft or less.
.THURSDAY...E wind 5 to 10 kts veering SE in the afternoon. Areas
of smoke. Waves 2 ft or less.
.THURSDAY NIGHT...S wind 5 to 10 kts. Mostly clear. Waves 2 ft or
less.
.FRIDAY...S wind 10 to 15 kts. Mostly sunny. Waves 2 ft or less.

$$

LMZ541-140800-
Rock Island Passage to Sturgeon Bay WI-
620 PM CDT Wed Aug 13 2025

.TONIGHT...NE wind 5 to 10 kts. Areas of smoke in the evening.
Waves 2 ft or less.
.THURSDAY...NE wind 5 to 10 kts veering E in the afternoon.
Partly cloudy in the morning then clearing. Waves 2 ft or less.
.THURSDAY NIGHT...SE wind 5 to 10 kts veering S after midnight.
Mostly clear. Waves 2 ft or less.
.FRIDAY...S wind 5 to 10 kts increasing to 10 to 20 kts in the
afternoon. Mostly sunny. Waves 1 to 3 ft.

$$

LMZ542-543-140800-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
620 PM CDT Wed Aug 13 2025

.TONIGHT...NE wind 5 to 10 kts. Areas of smoke after midnight.
Waves 2 ft or less.
.THURSDAY...E wind 5 to 10 kts. Areas of smoke. Waves 2 ft or
less.
.THURSDAY NIGHT...E wind 5 to 10 kts veering S after midnight.
Mostly clear. Waves 2 ft or less.
.FRIDAY...S wind 5 to 10 kts increasing to 10 to 20 kts in the
afternoon. Mostly sunny. Waves 1 to 3 ft.

$$

See Lake Michigan Open Lake Forecast for Saturday through Monday.