FZUS53 KGRB 210622
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
121 AM CDT Wed May 21 2025

For waters within five nautical miles of the shore on Lake Michigan

LMZ521-522-211300-
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-
122 AM CDT Wed May 21 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.OVERNIGHT...NE wind 10 to 20 kts with gusts to around 25 kts.
Light rain showers likely. Waves 1 to 3 ft building to 2 to 4 ft
toward daybreak.
.TODAY...NE wind 15 to 25 kts. A chance of rain showers. Waves
2 to 4 ft subsiding to 1 to 3 ft late in the afternoon.
.TONIGHT...N wind 10 to 20 kts. Mostly cloudy. Waves 1 to 3 ft.
.THURSDAY...N wind 10 to 20 kts. Partly cloudy. Waves 1 to 3 ft.

$$

LMZ541-211300-
Rock Island Passage to Sturgeon Bay WI-
122 AM CDT Wed May 21 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.OVERNIGHT...NE wind 10 to 20 kts with gusts to around 25 kts. A
chance of rain showers. Waves 2 to 4 ft.
.TODAY...NE wind 15 to 25 kts. A chance of rain showers. Waves
3 to 5 ft.
.TONIGHT...N wind 10 to 20 kts. Gusts to around 25 kts in the
evening. Mostly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft in
the late evening and overnight.
.THURSDAY...N wind 10 to 20 kts. Partly cloudy. Waves 1 to 3 ft.

$$

LMZ542-543-211300-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
122 AM CDT Wed May 21 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.OVERNIGHT...NE wind 10 to 20 kts with gusts to around 25 kts.
Rain showers. Waves 3 to 5 ft.
.TODAY...NE wind 15 to 25 kts. Rain showers in the morning, then
a chance of rain showers in the afternoon. Waves 4 to 7 ft.
.TONIGHT...N wind 10 to 20 kts with gusts to around 25 kts. A
chance of rain showers in the evening. Waves 3 to 5 ft subsiding
to 1 to 3 ft after midnight.
.THURSDAY...N wind 15 to 25 kts. Partly cloudy. Waves 2 to 4 ft
subsiding to 1 to 3 ft late in the afternoon.

$$

See Lake Michigan Open Lake Forecast for Friday through Sunday.