FZUS53 KGRB 230053
NSHGRB

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

For waters within five nautical miles of shore on Lake Michigan

LMZ522-230400-
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-
753 PM CDT Sat Aug 22 2026

.TONIGHT...NE wind 10 to 15 kts backing NW in the late evening
and overnight. Waves 1 to 3 ft. Clear.
.SUNDAY...N wind 10 to 15 kts. Waves 2 to 4 ft. Sunny in the
morning then becoming partly cloudy. 
.SUNDAY NIGHT...N wind 10 to 15 kts backing NW 5 to 10 kts after
midnight. Waves 1 to 3 ft. Clear.
.MONDAY...NW wind 5 to 10 kts. Waves 2 ft or less. Sunny. 

$$

LMZ521-230400-
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-
753 PM CDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

.TONIGHT...N wind 10 to 20 kts. Waves 1 to 3 ft building to 3 to
5 ft after midnight. Mostly clear. 
.SUNDAY...N wind 15 to 25 kts decreasing to 10 to 15 kts early in
the afternoon. Waves 3 to 5 ft. Mostly sunny in the morning then
becoming partly cloudy. 
.SUNDAY NIGHT...N wind 10 to 15 kts. Waves 2 to 4 ft subsiding to
1 to 3 ft after midnight. Clear.
.MONDAY...NW wind 5 to 10 kts. Waves 2 ft or less. Sunny. 

$$

LMZ542-543-230400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
753 PM CDT Sat Aug 22 2026

.TONIGHT...N wind 10 to 15 kts backing NW after midnight. Waves
2 ft or less. A slight chance of showers in the evening. 
.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. 
.MONDAY...NW wind 10 to 15 kts veering E 5 to 10 kts early in the
afternoon. Waves 2 ft or less. Sunny. 

$$

LMZ541-230400-
Rock Island Passage to Sturgeon Bay WI-
753 PM CDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

.TONIGHT...N wind 10 to 15 kts backing NW 15 to 25 kts in the
late evening and overnight. Waves 2 to 4 ft. Mostly 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.
.MONDAY...NW wind 10 to 15 kts. Waves 2 ft or less. Sunny. 

$$

See Lake Michigan Open Lake Forecast for Tuesday through Thursday.