FZUS53 KGRB 301823
NSHGRB

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

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-302200-
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-
123 PM CDT Sat May 30 2026

.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.

$$

LMZ541-302200-
Rock Island Passage to Sturgeon Bay WI-
123 PM CDT Sat May 30 2026

.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.

$$

LMZ542-543-302200-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
123 PM CDT Sat May 30 2026

.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.

$$

See Lake Michigan Open Lake Forecast for Monday through Wednesday.

Wave height forecast is for ice free areas.