Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 090320
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
1020 PM CDT Fri Aug 8 2025

For waters within five nautical miles of the shore on Lake Michigan

LMZ521-522-091000-
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-
1020 PM CDT Fri Aug 8 2025

.REST OF THE NIGHT...S wind 10 to 20 kts. Partly cloudy. Waves
1 to 3 ft.
.SATURDAY...S wind 10 to 20 kts with a few gusts to around
25 kts. A chance of showers and thunderstorms. Waves 1 to 3 ft. A
Small Craft Advisory may be needed.
.SATURDAY NIGHT...SW wind 10 to 20 kts. Showers likely and a
chance of thunderstorms. Waves 1 to 3 ft.
.SUNDAY...SW wind 5 to 10 kts. A chance of showers and
thunderstorms. Waves 2 ft or less.

$$

LMZ541-091000-
Rock Island Passage to Sturgeon Bay WI-
1020 PM CDT Fri Aug 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT SATURDAY THROUGH
LATE SATURDAY NIGHT...

.REST OF THE NIGHT...S wind 10 to 20 kts. Partly cloudy. Waves
3 to 5 ft.
.SATURDAY...S wind 15 to 25 kts. A chance of light showers and
thunderstorms. Waves 4 to 7 ft.
.SATURDAY NIGHT...SW wind 10 to 20 kts. Gusts to around 25 kts in
the evening. Showers likely and a chance of thunderstorms. Waves
3 to 5 ft subsiding to 2 to 4 ft after midnight.
.SUNDAY...S wind 10 to 20 kts. A chance of showers and
thunderstorms. Waves 2 to 4 ft.

$$

LMZ542-543-091000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1020 PM CDT Fri Aug 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT SATURDAY THROUGH
LATE SATURDAY NIGHT...

.REST OF THE NIGHT...S wind 10 to 20 kts. Mostly clear. Waves
2 to 4 ft.
.SATURDAY...S wind 15 to 25 kts. A chance of showers and
thunderstorms. Waves 3 to 5 ft.
.SATURDAY NIGHT...SW wind 10 to 20 kts. Gusts to around 25 kts in
the evening. Showers likely and a chance of thunderstorms. Waves
3 to 5 ft subsiding to 2 to 4 ft after midnight.
.SUNDAY...S wind 10 to 20 kts. A chance of light showers and
thunderstorms. Waves 1 to 3 ft building to 2 to 4 ft in the late
morning and afternoon.

$$

See Lake Michigan Open Lake Forecast for Monday through Wednesday.