312
FZUS53 KGRB 231718
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
1218 PM CDT Fri May 23 2025

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

LMZ521-522-240200-
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-
1218 PM CDT Fri May 23 2025

.THIS AFTERNOON...N wind 10 to 20 kts. Mostly cloudy. Waves 1 to
3 ft.
.TONIGHT...N wind 5 to 10 kts. Mostly cloudy in the evening then
becoming partly cloudy. Waves 2 ft or less.
.SATURDAY...N wind 5 to 10 kts veering NE in the afternoon.
Partly cloudy. Waves 2 ft or less.
.SATURDAY NIGHT...E wind around 5 kts backing N after midnight.
Mostly clear. Waves 2 ft or less.

$$

LMZ541-240200-
Rock Island Passage to Sturgeon Bay WI-
1218 PM CDT Fri May 23 2025

.THIS AFTERNOON...N wind 10 to 20 kts. Partly sunny. Waves 2 ft
or less.
.TONIGHT...N wind 10 to 15 kts. Mostly cloudy in the evening then
becoming partly cloudy. Waves 2 ft or less.
.SATURDAY...N wind 5 to 10 kts backing NW in the afternoon.
Partly cloudy. Waves 2 ft or less.
.SATURDAY NIGHT...NW wind around 5 kts veering N after midnight.
Mostly clear. Waves 2 ft or less.

$$

LMZ542-543-240200-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1218 PM CDT Fri May 23 2025

.THIS AFTERNOON...N wind 5 to 10 kts. Mostly cloudy. Waves 2 ft
or less.
.TONIGHT...N wind 5 to 10 kts. Mostly cloudy in the evening then
becoming partly cloudy. Waves 2 ft or less.
.SATURDAY...N wind 5 to 10 kts veering SE in the afternoon.
Partly cloudy. Waves 2 ft or less.
.SATURDAY NIGHT...S wind around 5 kts veering NW after midnight.
Partly cloudy. Waves 2 ft or less.

$$

See Lake Michigan Open Lake Forecast for Sunday through Tuesday.