FZUS53 KGRB 210736

NSHGRB



Nearshore Marine Forecast

National Weather Service Green Bay WI

236 AM CDT Mon Sep 21 2026



For waters within five nautical miles of shore on Lake Michigan



LMZ521-522-211000-

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-

236 AM CDT Mon Sep 21 2026



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



.REST OF THE NIGHT...NE wind 15 to 25 kts. Waves 2 to 4 ft.

Mostly cloudy. 

.MONDAY...NE wind 10 to 20 kts. Waves 2 to 4 ft. Mostly cloudy. 

.MONDAY NIGHT...E wind 10 to 20 kts. Waves 2 to 4 ft subsiding to

1 to 3 ft after midnight. Mostly cloudy. 

.TUESDAY...NE wind 10 to 20 kts. Waves 1 to 3 ft. Partly cloudy. 



$$



LMZ541>543-211000-

Rock Island Passage to Sturgeon Bay WI-

Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-

236 AM CDT Mon Sep 21 2026



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



.REST OF THE NIGHT...E wind 15 to 25 kts. Waves 4 to 7 ft. Mostly

cloudy. 

.MONDAY...NE wind 15 to 25 kts. Waves 4 to 7 ft. Mostly cloudy. 

.MONDAY NIGHT...E wind 15 to 25 kts decreasing to 10 to 15 kts

after midnight. Waves 4 to 7 ft. Mostly cloudy. 

.TUESDAY...NE wind 15 to 25 kts. Waves 3 to 5 ft. Partly cloudy. 



$$



See Lake Michigan Open Lake Forecast for Wednesday through Friday.