FZUS53 KGRB 210606

NSHGRB



Nearshore Marine Forecast

National Weather Service Green Bay WI

106 AM CDT Sat Mar 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-

106 AM CDT Sat Mar 21 2026



.REST OF THE NIGHT...NE wind around 5 kts veering E after

midnight. Waves 2 ft or less. A slight chance of light freezing

rain. 

.SATURDAY...SE wind 10 to 15 kts. Waves 2 ft or less. A slight

chance of light freezing rain. 

.SATURDAY NIGHT...S wind 5 to 10 kts veering N 10 to 15 kts in

the late evening and overnight. Waves 2 ft or less. Light rain

likely after midnight. 

.SUNDAY...N wind 10 to 20 kts. Waves 2 ft or less. Mostly cloudy.



$$



LMZ541-211000-

Rock Island Passage to Sturgeon Bay WI-

106 AM CDT Sat Mar 21 2026



.REST OF THE NIGHT...N wind around 5 kts veering NE after

midnight. Waves 2 ft or less. A slight chance of light freezing

rain. 

.SATURDAY...SE wind 10 to 15 kts veering S early in the

afternoon. Waves 1 to 3 ft building to 2 to 4 ft in the

afternoon. A slight chance of light rain and light freezing rain

in the morning. 

.SATURDAY NIGHT...S wind 5 to 10 kts veering NW, then veering N

10 to 15 kts after midnight. Waves 2 to 4 ft subsiding to 1 to

3 ft after midnight. Light rain likely after midnight. 

.SUNDAY...N wind 15 to 25 kts. Waves 2 to 4 ft. Mostly cloudy. A

Small Craft Advisory may be needed.  



$$



LMZ542-543-211000-

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

106 AM CDT Sat Mar 21 2026



.REST OF THE NIGHT...NE wind 5 to 10 kts veering E after

midnight. Waves 2 ft or less. Mostly cloudy. 

.SATURDAY...S wind 10 to 15 kts. Waves 1 to 3 ft building to 3 to

5 ft in the afternoon. Partly sunny. A Small Craft Advisory may

be needed. 

.SATURDAY NIGHT...SW wind 5 to 10 kts veering NW, then veering N

10 to 15 kts after midnight. Waves 2 to 4 ft subsiding to 1 to

3 ft after midnight. A chance of light rain after midnight. 

.SUNDAY...N wind 15 to 25 kts. Waves 4 to 7 ft. Mostly cloudy. A

Small Craft Advisory may be needed.  



$$



See Lake Michigan Open Lake Forecast for Monday through Wednesday.



Wave height forecast is for ice free areas.