FZUS53 KGRB 300857
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
356 AM CDT Mon Mar 30 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-301600-
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-
356 AM CDT Mon Mar 30 2026

.EARLY THIS MORNING...W wind 5 to 10 kts. Waves 2 ft or less.
Mostly cloudy.
.TODAY...N wind 5 to 10 kts veering NE 10 to 15 kts early in the
afternoon. Waves 2 ft or less. Partly cloudy.
.TONIGHT...NE wind 10 to 15 kts. Waves 1 to 3 ft. A chance of
showers and thunderstorms.
.TUESDAY...NE wind 10 to 15 kts backing N early in the afternoon.
Waves 2 ft or less. A chance of thunderstorms in the morning.
Rain showers likely.
.TUESDAY NIGHT...N wind 10 to 15 kts. Waves 2 ft or less. Mostly
cloudy.

$$

LMZ541-301600-
Rock Island Passage to Sturgeon Bay WI-
356 AM CDT Mon Mar 30 2026

.EARLY THIS MORNING...W wind 5 to 10 kts. Waves 2 to 4 ft. Mostly
cloudy.
.TODAY...N wind 5 to 10 kts veering NE early in the afternoon.
Waves 1 to 3 ft. Partly cloudy.
.TONIGHT...NE wind 10 to 15 kts. Waves 3 to 5 ft. A chance of
showers and thunderstorms. A Small Craft Advisory may be needed.
.TUESDAY...NE wind 10 to 15 kts backing N early in the afternoon.
Waves 3 to 5 ft. A chance of thunderstorms in the morning. Rain
showers likely. A Small Craft Advisory may be needed.
.TUESDAY NIGHT...N wind 15 to 25 kts. Waves 2 to 4 ft. Mostly
cloudy.

$$

LMZ542-543-301600-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
356 AM CDT Mon Mar 30 2026

.EARLY THIS MORNING...SW wind 5 to 10 kts. Waves 1 to 3 ft.
Partly cloudy.
.TODAY...NW wind 5 to 10 kts veering NE 10 to 15 kts in the late
morning and afternoon. Waves 1 to 3 ft. Mostly sunny in the
morning then becoming partly cloudy.
.TONIGHT...NE wind 10 to 15 kts. Waves 2 to 4 ft. A chance of
showers and thunderstorms.
.TUESDAY...N wind 10 to 15 kts. Waves 1 to 3 ft. Rain showers and
a chance of thunderstorms.
.TUESDAY NIGHT...N wind 15 to 25 kts. Waves 3 to 5 ft. A chance
of sprinkles in the evening. A Small Craft Advisory may be
needed.

$$

See Lake Michigan Open Lake Forecast for Wednesday through Friday.

Wave height forecast is for ice free areas.