892
FZUS53 KGRB 192344
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
643 PM CDT Tue Aug 19 2025

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

LMZ521-522-200800-
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-
643 PM CDT Tue Aug 19 2025

.TONIGHT...NE wind 10 to 15 kts. A slight chance of sprinkles in
the evening, then a slight chance of light showers after
midnight. Patchy fog after midnight. Waves 2 ft or less.
.WEDNESDAY...NE wind 10 to 20 kts. A slight chance of sprinkles
in the morning. Waves 2 ft or less.
.WEDNESDAY NIGHT...NE wind 5 to 10 kts. Mostly clear. Waves 2 ft
or less.
.THURSDAY...NE wind 5 to 10 kts veering E in the afternoon.
Sunny. Waves 2 ft or less.

$$

LMZ541-200800-
Rock Island Passage to Sturgeon Bay WI-
643 PM CDT Tue Aug 19 2025

.TONIGHT...NE wind 10 to 15 kts. Patchy fog after midnight. A
slight chance of light showers after midnight. Waves 2 ft or
less.
.WEDNESDAY...NE wind 10 to 20 kts. A slight chance of light
showers in the morning. Waves 2 ft or less.
.WEDNESDAY NIGHT...NE wind 5 to 10 kts. Mostly clear. Waves 2 ft
or less.
.THURSDAY...NE wind around 5 kts veering E in the afternoon.
Sunny. Waves 2 ft or less.

$$

LMZ542-543-200800-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
643 PM CDT Tue Aug 19 2025

.TONIGHT...NE wind 5 to 10 kts. A slight chance of light showers
after midnight. Waves 2 ft or less.
.WEDNESDAY...NE wind 10 to 20 kts. A slight chance of light
showers in the morning, then a slight chance of sprinkles in the
afternoon. Waves 1 to 3 ft.
.WEDNESDAY NIGHT...NE wind 10 to 15 kts. Mostly clear. Waves 1 to
3 ft.
.THURSDAY...NE wind 5 to 10 kts. Sunny. Waves 2 ft or less.

$$

See Lake Michigan Open Lake Forecast for Friday through Sunday.