FZUS53 KGRB 310606
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
106 AM CDT Tue Mar 31 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-311000-
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-
106 AM CDT Tue Mar 31 2026

.REST OF THE NIGHT...NE wind 10 to 15 kts. Waves 1 to 3 ft.
Mostly cloudy.
.TUESDAY...N wind 10 to 15 kts. Waves 1 to 3 ft. A chance of
light rain.
.TUESDAY NIGHT...N wind 10 to 15 kts. Waves 2 ft or less. Mostly
cloudy.
.WEDNESDAY...NE wind 10 to 15 kts. Waves 1 to 3 ft. Mostly
cloudy.

$$

LMZ541-311000-
Rock Island Passage to Sturgeon Bay WI-
106 AM CDT Tue Mar 31 2026

.REST OF THE NIGHT...NE wind 10 to 20 kts. Waves 3 to 5 ft. A
chance of light rain.
.TUESDAY...N wind 10 to 20 kts. Waves 2 to 4 ft. A chance of
light rain in the morning, then light rain likely in the
afternoon.
.TUESDAY NIGHT...N wind 10 to 15 kts increasing to 15 to 25 kts
in the late evening and overnight. Waves 2 to 4 ft. Partly cloudy
in the evening then becoming mostly cloudy. A Small Craft
Advisory may be needed.
.WEDNESDAY...N wind 15 to 25 kts veering NE 10 to 20 kts in the
late morning and afternoon. Waves 3 to 5 ft. Mostly cloudy.

$$

LMZ542-543-311000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
106 AM CDT Tue Mar 31 2026

.REST OF THE NIGHT...N wind 10 to 15 kts. Waves 2 to 4 ft. A
slight chance of light rain and thunderstorms.
.TUESDAY...N wind 10 to 15 kts. Waves 2 to 4 ft subsiding to 1 to
3 ft in the afternoon. A chance of light rain in the morning. A
slight chance of thunderstorms. Light rain likely in the
afternoon.
.TUESDAY NIGHT...N wind 10 to 15 kts increasing to 15 to 25 kts
in the late evening and overnight. Waves 3 to 5 ft building to
4 to 7 ft after midnight. Partly cloudy in the evening then
becoming mostly cloudy. A Small Craft Advisory may be needed.
.WEDNESDAY...NE wind to 30 kts. Waves 4 to 7 ft building to 5 to
8 ft in the afternoon. Mostly cloudy.

$$

See Lake Michigan Open Lake Forecast for Thursday through Saturday.

Wave height forecast is for ice free areas.