FZUS53 KGRB 220801
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
301 AM CDT Fri May 22 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-221000-
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-
301 AM CDT Fri May 22 2026

.REST OF THE NIGHT...E wind 5 to 10 kts. Waves 2 ft or less.
Mostly cloudy.
.FRIDAY...E wind 10 to 15 kts. Waves 1 to 3 ft. Partly sunny.
.FRIDAY NIGHT...E wind 10 to 15 kts. Waves 2 to 4 ft. Mostly
cloudy.
.SATURDAY...NE wind 10 to 15 kts. Waves 2 ft or less. Mostly
cloudy.

$$

LMZ541-221000-
Rock Island Passage to Sturgeon Bay WI-
301 AM CDT Fri May 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
THIS EVENING...

.REST OF THE NIGHT...E wind 10 to 15 kts. Waves 2 ft or less.
Mostly cloudy.
.FRIDAY...NE wind 10 to 20 kts. Waves 1 to 3 ft building to 2 to
4 ft in the afternoon. Mostly cloudy in the morning then becoming
partly cloudy.
.FRIDAY NIGHT...E wind 10 to 20 kts. Waves 3 to 5 ft. Mostly
cloudy.
.SATURDAY...NE wind 10 to 15 kts. Waves 2 to 4 ft. Mostly cloudy.

$$

LMZ542-543-221000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
301 AM CDT Fri May 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
THIS EVENING...

.REST OF THE NIGHT...E wind 10 to 15 kts. Waves 1 to 3 ft. Mostly
cloudy.
.FRIDAY...NE wind 10 to 15 kts. Waves 2 to 4 ft. Partly sunny.
.FRIDAY NIGHT...NE wind 10 to 15 kts. Waves 2 to 4 ft. Mostly
cloudy.
.SATURDAY...NE wind 10 to 15 kts. Waves 1 to 3 ft. Mostly cloudy.

$$

See Lake Michigan Open Lake Forecast for Sunday through Tuesday.

Wave height forecast is for ice free areas.