FZUS53 KGRB 222234
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
534 PM CDT Wed Apr 22 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-230400-
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-
534 PM CDT Wed Apr 22 2026

.LATE THIS AFTERNOON...E wind 5 to 10 kts. Waves 2 ft or less.
Mostly sunny.
.TONIGHT...E wind 5 to 10 kts veering SE after midnight. Waves
2 ft or less. Clear in the evening then becoming partly cloudy.
.THURSDAY...SE wind 10 to 15 kts. Waves 2 ft or less. Partly
sunny.
.THURSDAY NIGHT...SE wind 10 to 15 kts. Waves 1 to 3 ft. Rain
showers likely after midnight.
.FRIDAY...SE wind 10 to 15 kts backing N early in the afternoon.
Waves 2 ft or less. Rain showers and a chance of thunderstorms.

$$

LMZ541-230400-
Rock Island Passage to Sturgeon Bay WI-
534 PM CDT Wed Apr 22 2026

.LATE THIS AFTERNOON...NE wind 5 to 10 kts. Waves 2 ft or less.
Mostly sunny.
.TONIGHT...E wind 5 to 10 kts veering SE after midnight. Waves
2 ft or less. Clear in the evening then becoming partly cloudy.
.THURSDAY...S wind 10 to 15 kts. Waves 1 to 3 ft building to 2 to
4 ft in the afternoon. Partly sunny.
.THURSDAY NIGHT...SE wind 10 to 20 kts. Waves 3 to 5 ft. A chance
of showers after midnight. A Small Craft Advisory may be needed.
.FRIDAY...SE wind 10 to 20 kts backing N 10 to 15 kts early in
the afternoon. Waves 3 to 5 ft. Rain showers and a chance of
thunderstorms. A Small Craft Advisory may be needed.

$$

LMZ542-543-230400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
534 PM CDT Wed Apr 22 2026

.LATE THIS AFTERNOON...NE wind 5 to 10 kts. Waves 2 ft or less.
Mostly sunny.
.TONIGHT...NE wind 5 to 10 kts veering S in the late evening and
overnight. Waves 2 ft or less. Mostly clear.
.THURSDAY...S wind 10 to 20 kts. Waves 2 to 4 ft. Partly sunny.
.THURSDAY NIGHT...S wind 10 to 20 kts. Waves 4 to 7 ft. Rain
showers likely and a chance of thunderstorms after midnight. A
Small Craft Advisory may be needed.
.FRIDAY...S wind 10 to 20 kts veering W 10 to 15 kts early in the
afternoon. Waves 4 to 7 ft. Rain showers and a chance of
thunderstorms. 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.