FZUS53 KGRB 221823
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
123 PM CDT Sat Aug 22 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ522-222200-
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-
123 PM CDT Sat Aug 22 2026

.THIS AFTERNOON...N wind 10 to 15 kts. Waves 2 ft or less. A
chance of showers and thunderstorms. 
.TONIGHT...NW wind 10 to 15 kts. Waves 2 ft or less. Clear.
.SUNDAY...N wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny. 
.SUNDAY NIGHT...N wind 10 to 15 kts backing NW 5 to 10 kts after
midnight. Waves 2 ft or less. Clear. 

$$

LMZ521-222200-
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-
123 PM CDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING
THROUGH SUNDAY MORNING...

.THIS AFTERNOON...N wind 10 to 15 kts. Waves 1 to 3 ft. A chance
of showers and thunderstorms. 
.TONIGHT...NW wind 15 to 25 kts. Waves 1 to 3 ft. Clear.
.SUNDAY...N wind 15 to 25 kts decreasing to 10 to 15 kts early in
the afternoon. Waves 1 to 3 ft. Mostly sunny in the morning then
becoming partly cloudy. 
.SUNDAY NIGHT...N wind 10 to 15 kts. Waves 1 to 3 ft. Clear. 

$$

LMZ542-543-222200-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
123 PM CDT Sat Aug 22 2026

.THIS AFTERNOON...N wind 10 to 15 kts. Waves 2 ft or less. A
chance of showers and thunderstorms. 
.TONIGHT...NW wind 10 to 20 kts. Waves 2 ft or less. Mostly
clear. 
.SUNDAY...NW wind 15 to 25 kts veering N 10 to 15 kts early in
the afternoon. Waves 1 to 3 ft. Sunny in the morning then
becoming partly cloudy. A Small Craft Advisory may be needed. 
.SUNDAY NIGHT...N wind 10 to 15 kts backing NW 5 to 10 kts after
midnight. Waves 2 ft or less. Mostly clear.  

$$

LMZ541-222200-
Rock Island Passage to Sturgeon Bay WI-
123 PM CDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING
THROUGH SUNDAY MORNING...

.THIS AFTERNOON...N wind 10 to 15 kts. Waves 2 ft or less. A
chance of showers and thunderstorms. 
.TONIGHT...N wind 15 to 25 kts. Waves 2 to 4 ft. Clear.
.SUNDAY...N wind 15 to 25 kts. Waves 2 to 4 ft subsiding to 1 to
3 ft in the afternoon. Mostly sunny in the morning then becoming
partly cloudy. 
.SUNDAY NIGHT...N wind 10 to 15 kts. Waves 1 to 3 ft. Clear. 

$$

See Lake Michigan Open Lake Forecast for Monday through Wednesday.