FZUS53 KGRB 270918
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
418 AM CDT Wed May 27 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-271600-
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-
418 AM CDT Wed May 27 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION FROM THIS EVENING THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...NE wind 5 to 10 kts. Waves 2 ft or less.
Partly cloudy.
.TODAY...NE wind 5 to 10 kts. Waves 2 ft or less. A chance of
showers in the afternoon.
.TONIGHT...NE wind 10 to 20 kts. Waves 1 to 3 ft. Clear.
.THURSDAY...NE wind 5 to 10 kts. Waves 2 ft or less. Sunny.
.THURSDAY NIGHT...S wind around 5 kts veering SW in the late
evening and overnight. Waves 2 ft or less. Clear.

$$

LMZ541-271600-
Rock Island Passage to Sturgeon Bay WI-
418 AM CDT Wed May 27 2026

.EARLY THIS MORNING...NE wind 5 to 10 kts. Waves 2 ft or less.
Patchy fog.
.TODAY...NE wind 5 to 10 kts. Waves 2 ft or less. Mostly sunny.
.TONIGHT...N wind 10 to 15 kts. Waves 1 to 3 ft. Clear.
.THURSDAY...NE wind 5 to 10 kts veering E early in the afternoon.
Waves 2 ft or less. Sunny.
.THURSDAY NIGHT...SW wind 5 to 10 kts. Waves 2 ft or less. Mostly
clear.

$$

LMZ542-543-271600-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
418 AM CDT Wed May 27 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...

.EARLY THIS MORNING...N wind 5 to 10 kts. Waves 2 ft or less.
Patchy fog. a slight chance of showers.
.TODAY...NE wind 10 to 15 kts. Waves 2 ft or less. A slight
chance of showers in the afternoon.
.TONIGHT...N wind 10 to 20 kts. Waves 3 to 5 ft. Clear.
.THURSDAY...NE wind 10 to 15 kts. Waves 1 to 3 ft. Sunny.
.THURSDAY NIGHT...NE wind 5 to 10 kts backing W in the late
evening and overnight. Waves 2 ft or less. Clear.

$$

See Lake Michigan Open Lake Forecast for Friday through Sunday.

Wave height forecast is for ice free areas.