FZUS53 KGRB 231756
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
1256 PM CDT Sun Aug 23 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-232200-
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-
1256 PM CDT Sun Aug 23 2026

.THIS AFTERNOON...N wind 15 to 25 kts decreasing to 10 to 15 kts
early in the afternoon. Waves 2 to 4 ft. Partly cloudy. 
.TONIGHT...N wind 10 to 15 kts. Waves 2 to 4 ft subsiding to 1 to
3 ft after midnight. Clear.
.MONDAY...NW wind 10 to 15 kts veering N 5 to 10 kts early in the
afternoon. Waves 2 ft or less. Sunny.
.MONDAY NIGHT...E wind 5 to 10 kts. Waves 2 ft or less. Partly
cloudy.  

$$

LMZ541>543-232200-
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1256 PM CDT Sun Aug 23 2026

.THIS AFTERNOON...N wind 15 to 25 kts. Waves 1 to 3 ft. A chance
of sprinkles late in the morning. 
.TONIGHT...N wind 10 to 20 kts. Waves 1 to 3 ft. Clear.
.MONDAY...NW wind 10 to 15 kts veering N 5 to 10 kts early in the
afternoon. Waves 2 ft or less. Mostly sunny. 
.MONDAY NIGHT...E wind 5 to 10 kts veering W after midnight.
Waves 2 ft or less. Partly cloudy.  

$$

See Lake Michigan Open Lake Forecast for Tuesday through Thursday.