FZUS53 KGRB 302021
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
321 PM CDT Sat May 30 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-310400-
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-
321 PM CDT Sat May 30 2026

.LATE THIS AFTERNOON...NE wind 10 to 15 kts. Waves 2 ft or less.
Sunny.
.TONIGHT...NE wind 5 to 10 kts veering S after midnight. Waves
2 ft or less. Clear.
.SUNDAY...S wind 5 to 10 kts backing SE early in the afternoon.
Waves 2 ft or less. Sunny.
.SUNDAY NIGHT...S wind 5 to 10 kts veering SW, then veering NE
after midnight. Waves 2 ft or less. Partly cloudy.
.MONDAY...NE wind 10 to 15 kts. Waves 2 ft or less. Sunny.

$$

LMZ541-310400-
Rock Island Passage to Sturgeon Bay WI-
321 PM CDT Sat May 30 2026

.LATE THIS AFTERNOON...NE wind 10 to 15 kts. Waves 1 to 3 ft.
Sunny.
.TONIGHT...NE wind 5 to 10 kts veering S after midnight. Waves
1 to 3 ft. Clear.
.SUNDAY...S wind 5 to 10 kts. Waves 2 ft or less. Sunny.
.SUNDAY NIGHT...S wind 5 to 10 kts veering W, then veering NE
after midnight. Waves 2 ft or less. Mostly clear.
.MONDAY...NE wind 10 to 15 kts. Waves 2 ft or less. Sunny.

$$

LMZ542-543-310400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
321 PM CDT Sat May 30 2026

.LATE THIS AFTERNOON...NE wind 10 to 15 kts. Waves 1 to 3 ft.
Mostly sunny.
.TONIGHT...NE wind 5 to 10 kts veering SE after midnight. Waves
1 to 3 ft. Clear.
.SUNDAY...S wind 5 to 10 kts. Waves 2 ft or less. Mostly sunny.
.SUNDAY NIGHT...S wind 5 to 10 kts veering SW, then veering N
after midnight. Waves 2 ft or less. Partly cloudy.
.MONDAY...NE wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny.

$$

See Lake Michigan Open Lake Forecast for Tuesday through Thursday.

Wave height forecast is for ice free areas.