FZUS53 KGRB 022100
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
400 PM CDT Sat May 2 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-030400-
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-
400 PM CDT Sat May 2 2026

.LATE THIS AFTERNOON...S wind 10 to 15 kts. Waves 2 ft or less.
Partly cloudy.
.TONIGHT...SW wind 10 to 15 kts. Waves 2 ft or less. A chance of
showers after midnight.
.SUNDAY...SW wind 10 to 15 kts veering W early in the afternoon.
Waves 2 ft or less. A chance of showers.
.SUNDAY NIGHT...W wind 5 to 10 kts backing SW 10 to 15 kts in the
late evening and overnight. Waves 2 ft or less. Mostly clear.
.MONDAY...SW wind 15 to 25 kts. Waves 2 to 4 ft. A chance of
showers in the afternoon. A Small Craft Advisory may be needed.

$$

LMZ541-030400-
Rock Island Passage to Sturgeon Bay WI-
400 PM CDT Sat May 2 2026

.LATE THIS AFTERNOON...S wind 10 to 15 kts. Waves 1 to 3 ft.
Mostly sunny.
.TONIGHT...SW wind 10 to 15 kts. Waves 2 to 4 ft. A chance of
showers after midnight.
.SUNDAY...SW wind 10 to 15 kts. Waves 2 to 4 ft. A chance of
showers.
.SUNDAY NIGHT...W wind 5 to 10 kts backing SW 10 to 15 kts in the
late evening and overnight. Waves 2 to 4 ft. Partly cloudy.
.MONDAY...SW wind 15 to 25 kts. Waves 4 to 7 ft. A chance of
showers in the afternoon. A Small Craft Advisory may be needed.

$$

LMZ542-543-030400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
400 PM CDT Sat May 2 2026

.LATE THIS AFTERNOON...S wind 10 to 15 kts. Waves 1 to 3 ft.
Mostly sunny.
.TONIGHT...SW wind 10 to 15 kts. Waves 2 to 4 ft. A chance of
showers after midnight.
.SUNDAY...SW wind 10 to 20 kts. Waves 2 to 4 ft. A chance of
showers.
.SUNDAY NIGHT...W wind 5 to 10 kts backing SW 10 to 15 kts after
midnight. Waves 1 to 3 ft. Mostly clear.
.MONDAY...SW wind 15 to 25 kts. Waves 3 to 5 ft. A chance of
showers in the afternoon. A Small Craft Advisory may be needed.

$$

See Lake Michigan Open Lake Forecast for Tuesday through Thursday.

Wave height forecast is for ice free areas.