FZUS53 KGRB 301936
NSHGRB

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

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-302200-
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-
236 PM CDT Mon Mar 30 2026

.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 2 ft or less. A chance of
showers.
.TUESDAY NIGHT...N wind 10 to 15 kts. Waves 2 ft or less. Mostly
cloudy.

$$

LMZ541-302200-
Rock Island Passage to Sturgeon Bay WI-
236 PM CDT Mon Mar 30 2026

.THIS AFTERNOON...NE wind 10 to 15 kts. Waves 1 to 3 ft. Partly
sunny.
.TONIGHT...NE wind 10 to 15 kts. Waves 3 to 5 ft. A slight chance
of thunderstorms in the evening. A chance of showers. A Small
Craft Advisory may be needed.
.TUESDAY...NE wind 10 to 15 kts backing N early in the afternoon.
Waves 2 to 4 ft. 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.

$$

LMZ542-543-302200-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
236 PM CDT Mon Mar 30 2026

.THIS AFTERNOON...NE wind 10 to 15 kts. Waves 1 to 3 ft. Partly
cloudy.
.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. 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.

$$

See Lake Michigan Open Lake Forecast for Thursday through Saturday.

Wave height forecast is for ice free areas.