FZUS53 KGRB 140024
NSHGRB

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

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-140400-
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-
724 PM CDT Wed May 13 2026

.TONIGHT...NW wind 5 to 10 kts. Waves 1 to 3 ft. 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.

$$

LMZ541-140400-
Rock Island Passage to Sturgeon Bay WI-
724 PM CDT Wed May 13 2026

.TONIGHT...NW wind 10 to 15 kts. Waves 2 ft or less. Clear.
.THURSDAY...N wind 5 to 10 kts veering SE mid-day, then veering S
early in the 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.

$$

LMZ542-543-140400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
724 PM CDT Wed May 13 2026

.TONIGHT...N wind 5 to 10 kts backing NW after midnight. Waves
2 ft or less. Clear.
.THURSDAY...N wind 5 to 10 kts veering E mid-day, then veering SE
early in the 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.