FZUS53 KGRB 302124
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
424 PM CDT Mon Mar 30 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-310400-
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-
424 PM CDT Mon Mar 30 2026

.LATE THIS AFTERNOON...NE wind 10 to 15 kts. Waves 2 ft or less.
Partly sunny.
.TONIGHT...NE wind 10 to 15 kts. Waves 1 to 3 ft. A slight chance
of thunderstorms in the evening. A chance of showers.
.TUESDAY...N wind 10 to 15 kts. Waves 1 to 3 ft. Patchy fog in
the morning. a chance of showers.
.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.

$$

LMZ541-310400-
Rock Island Passage to Sturgeon Bay WI-
424 PM CDT Mon Mar 30 2026

.LATE THIS AFTERNOON...NE wind 10 to 15 kts. Waves 1 to 3 ft.
Mostly cloudy.
.TONIGHT...NE wind 10 to 15 kts. Waves 3 to 5 ft. A slight chance
of thunderstorms in the evening. A chance of showers.
.TUESDAY...NE wind 10 to 15 kts backing N early in the afternoon.
Waves 2 to 4 ft. Patchy fog in the morning. a chance of showers.
.TUESDAY NIGHT...N wind 15 to 25 kts. Waves 2 to 4 ft. 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.

$$

LMZ542-543-310400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
424 PM CDT Mon Mar 30 2026

.LATE THIS AFTERNOON...NE wind 10 to 15 kts. Waves 1 to 3 ft.
Partly sunny.
.TONIGHT...N wind 10 to 15 kts. Waves 2 to 4 ft. A chance of
showers and thunderstorms.
.TUESDAY...N wind 10 to 15 kts. Waves 2 to 4 ft. Patchy fog in
the morning. a chance of showers in the morning, then showers
likely in the afternoon.
.TUESDAY NIGHT...N wind 15 to 25 kts. Waves 2 to 4 ft building to
3 to 5 ft after midnight. A chance of sprinkles in the evening. 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.