FZUS53 KGRB 140230
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
930 PM CDT Wed May 13 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-141000-
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-
930 PM CDT Wed May 13 2026

.REST OF TONIGHT...N wind around 5 kts backing NW in the late
evening and overnight. Waves 2 ft or less. Clear.
.THURSDAY...N wind around 5 kts veering SE in the late morning
and afternoon. Waves 2 ft or less. Sunny.
.THURSDAY NIGHT...S wind 10 to 15 kts. Waves 1 to 3 ft. A chance
of showers after midnight.
.FRIDAY...S wind 15 to 25 kts. Waves 2 to 4 ft. Partly cloudy. A
Small Craft Advisory may be needed.

$$

LMZ541-141000-
Rock Island Passage to Sturgeon Bay WI-
930 PM CDT Wed May 13 2026

.REST OF TONIGHT...NW wind 5 to 10 kts. Waves 2 ft or less.
Clear.
.THURSDAY...N wind 5 to 10 kts veering SE in the late morning and
afternoon. Waves 2 ft or less. Sunny.
.THURSDAY NIGHT...S wind 10 to 15 kts. Waves 2 ft or less
building to 2 to 4 ft after midnight. Partly cloudy in the
evening then becoming cloudy.
.FRIDAY...S wind to 30 kts. Waves 4 to 7 ft building to 6 to
10 ft in the afternoon. Mostly cloudy in the morning then
clearing. A Small Craft Advisory may be needed.

$$

LMZ542-543-141000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
930 PM CDT Wed May 13 2026

.REST OF TONIGHT...S wind around 5 kts veering NW in the late
evening and overnight. Waves 2 ft or less. Clear.
.THURSDAY...N wind 5 to 10 kts veering SE in the late morning and
afternoon. Waves 2 ft or less. Sunny.
.THURSDAY NIGHT...S wind 10 to 15 kts. Waves 2 ft or less
building to 2 to 4 ft after midnight. Partly cloudy in the
evening then becoming mostly cloudy.
.FRIDAY...S wind to 30 kts. Waves 4 to 7 ft building to 6 to
10 ft in the afternoon. Partly cloudy. A Small Craft Advisory may
be needed.

$$

See Lake Michigan Open Lake Forecast for Saturday through Monday.

Wave height forecast is for ice free areas.