FZUS53 KGRB 230806
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
306 AM CDT Sat May 23 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-231600-
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-
306 AM CDT Sat May 23 2026

.EARLY THIS MORNING...E wind 5 to 10 kts. Waves 2 ft or less.
Cloudy.
.TODAY...NE wind 10 to 15 kts. Waves 2 ft or less. A slight
chance of showers.
.TONIGHT...E wind 5 to 10 kts. Waves 2 ft or less. Mostly cloudy.
.SUNDAY...S wind 5 to 10 kts. Waves 2 ft or less. Partly sunny in
the morning then clearing.
.SUNDAY NIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Mostly
clear.

$$

LMZ541-231600-
Rock Island Passage to Sturgeon Bay WI-
306 AM CDT Sat May 23 2026

.EARLY THIS MORNING...E wind 10 to 15 kts. Waves 1 to 3 ft. A
slight chance of showers.
.TODAY...NE wind 10 to 15 kts. Waves 1 to 3 ft. A slight chance
of showers.
.TONIGHT...E wind 10 to 15 kts. Waves 2 to 4 ft. Mostly cloudy.
.SUNDAY...S wind 10 to 15 kts. Waves 2 ft or less. Mostly cloudy
in the morning then becoming partly cloudy.
.SUNDAY NIGHT...S wind 10 to 15 kts. Waves 2 ft or less. Partly
cloudy.

$$

LMZ542-543-231600-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
306 AM CDT Sat May 23 2026

.EARLY THIS MORNING...NE wind 10 to 15 kts. Waves 1 to 3 ft.
Cloudy.
.TODAY...NE wind 10 to 15 kts. Waves 1 to 3 ft. A slight chance
of showers in the morning.
.TONIGHT...NE wind 5 to 10 kts veering SE after midnight. Waves
2 ft or less. Mostly cloudy.
.SUNDAY...S wind 10 to 15 kts. Waves 2 ft or less. Partly sunny.
.SUNDAY NIGHT...S wind 10 to 15 kts. Waves 2 ft or less. Partly
cloudy.

$$

See Lake Michigan Open Lake Forecast for Monday through Wednesday.

Wave height forecast is for ice free areas.