FZUS53 KGRB 250512
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
1212 AM CDT Wed Mar 25 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-251000-
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-
1212 AM CDT Wed Mar 25 2026

.REST OF THE NIGHT...SE wind 5 to 10 kts. Waves 2 ft or less.
Mostly cloudy.
.WEDNESDAY...S wind 5 to 10 kts. Waves 2 ft or less. Mostly
cloudy.
.WEDNESDAY NIGHT...SW wind 5 to 10 kts. Waves 2 ft or less.
Mostly cloudy.
.THURSDAY...N wind 5 to 10 kts increasing to 10 to 20 kts early
in the afternoon. Waves 1 to 3 ft. A chance of light rain.

$$

LMZ541-251000-
Rock Island Passage to Sturgeon Bay WI-
1212 AM CDT Wed Mar 25 2026

.REST OF THE NIGHT...SE wind 10 to 15 kts. Waves 1 to 3 ft.
Mostly cloudy.
.WEDNESDAY...S wind 10 to 15 kts. Waves 2 to 4 ft building to
3 to 5 ft in the afternoon. Mostly cloudy. A Small Craft Advisory
may be needed.
.WEDNESDAY NIGHT...SW wind 5 to 10 kts. Waves 3 to 5 ft subsiding
to 2 to 4 ft after midnight. Mostly cloudy. A Small Craft
Advisory may be needed.
.THURSDAY...NW wind 10 to 15 kts veering N 15 to 25 kts early in
the afternoon. Waves 1 to 3 ft building to 2 to 4 ft in the
afternoon. A chance of light rain. A chance of light snow in the
afternoon.

$$

LMZ542-543-251000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1212 AM CDT Wed Mar 25 2026

.REST OF THE NIGHT...S wind 10 to 15 kts. Waves 1 to 3 ft. Mostly
cloudy.
.WEDNESDAY...S wind 10 to 15 kts. Waves 2 to 4 ft building to
3 to 5 ft in the afternoon. Mostly cloudy. A Small Craft Advisory
may be needed.
.WEDNESDAY NIGHT...SW wind 5 to 10 kts. Waves 3 to 5 ft subsiding
to 2 to 4 ft after midnight. Mostly cloudy. A Small Craft
Advisory may be needed.
.THURSDAY...NW wind 5 to 10 kts veering N 10 to 15 kts mid-day,
then increasing to 15 to 25 kts early in the afternoon. Waves
2 ft or less building to 3 to 5 ft in the afternoon. A chance of
light rain.

$$

See Lake Michigan Open Lake Forecast for Friday through Sunday.

Wave height forecast is for ice free areas.