FZUS53 KGRB 311337
NSHGRB

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

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-311600-
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-
836 AM CDT Tue Mar 31 2026

.TODAY...N wind 10 to 15 kts. Waves 1 to 3 ft. A chance of light
rain.
.TONIGHT...N wind 10 to 15 kts. Waves 2 ft or less. Mostly
cloudy.
.WEDNESDAY...NE wind 10 to 20 kts. Waves 1 to 3 ft. Mostly
cloudy.
.WEDNESDAY NIGHT...NE wind 15 to 25 kts. Waves 2 to 4 ft building
to 3 to 5 ft after midnight. A chance of light snow in the
evening. Snow likely after midnight. A Small Craft Advisory may
be needed.

$$

LMZ541-311600-
Rock Island Passage to Sturgeon Bay WI-
836 AM CDT Tue Mar 31 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
FRIDAY MORNING...

.TODAY...N wind 10 to 20 kts. Waves 3 to 5 ft. A chance of light
rain.
.TONIGHT...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.
.WEDNESDAY...NE wind 15 to 25 kts. Waves 3 to 5 ft. Mostly
cloudy.
.WEDNESDAY NIGHT...E wind to 30 kts. Waves 4 to 7 ft building to
5 to 8 ft after midnight. A chance of light snow in the evening,
then snow likely after midnight.

$$

LMZ542-543-311600-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
836 AM CDT Tue Mar 31 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
THURSDAY NIGHT...

.TODAY...N wind 10 to 15 kts. Waves 2 to 4 ft. A chance of light
rain in the morning. A slight chance of thunderstorms. Light rain
likely in the afternoon.
.TONIGHT...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.
.WEDNESDAY...NE wind to 30 kts. Waves 4 to 7 ft building to 5 to
8 ft in the afternoon. Mostly cloudy.
.WEDNESDAY NIGHT...NE wind to 30 kts. Waves 5 to 8 ft. A chance
of light snow and rain in the evening, then rain, light snow and
freezing rain after midnight.

$$

See Lake Michigan Open Lake Forecast for Thursday through Saturday.

Wave height forecast is for ice free areas.