FZUS53 KGRB 300230
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
930 PM CDT Wed Apr 29 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-301000-
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 Apr 29 2026

.REST OF TONIGHT...N wind 5 to 10 kts backing NW after midnight.
Waves 2 ft or less. A chance of showers early in the evening.
.THURSDAY...NW wind 5 to 10 kts backing SW mid-day, then backing
E early in the afternoon. Waves 2 ft or less. A chance of
showers.
.THURSDAY NIGHT...NE wind 5 to 10 kts backing NW after midnight.
Waves 2 ft or less. A chance of showers in the evening.
.FRIDAY...NW wind 5 to 10 kts veering NE early in the afternoon.
Waves 2 ft or less. Partly cloudy.

$$

LMZ541-301000-
Rock Island Passage to Sturgeon Bay WI-
930 PM CDT Wed Apr 29 2026

.REST OF TONIGHT...N wind 5 to 10 kts. Waves 2 ft or less. A
chance of showers early in the evening.
.THURSDAY...NW wind 5 to 10 kts backing SW in the late morning
and afternoon. Waves 2 ft or less. A chance of showers.
.THURSDAY NIGHT...N wind 5 to 10 kts. Waves 2 ft or less. A
chance of showers in the evening.
.FRIDAY...N wind 5 to 10 kts. Waves 2 ft or less. Mostly sunny in
the morning then becoming partly cloudy.

$$

LMZ542-543-301000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
930 PM CDT Wed Apr 29 2026

.REST OF TONIGHT...N wind 5 to 10 kts. Waves 2 ft or less. A
chance of showers early in the evening.
.THURSDAY...NW wind 5 to 10 kts veering SE in the late morning
and afternoon. Waves 2 ft or less. A chance of showers.
.THURSDAY NIGHT...NE wind 5 to 10 kts backing N after midnight.
Waves 2 ft or less. A chance of showers in the evening.
.FRIDAY...N wind 5 to 10 kts veering E early in the afternoon.
Waves 2 ft or less. Partly cloudy.

$$

See Lake Michigan Open Lake Forecast for Saturday through Monday.

Wave height forecast is for ice free areas.