Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 102124
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
424 PM CDT Fri Oct 10 2025

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

LMZ521-522-110100-
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-
424 PM CDT Fri Oct 10 2025

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

.REST OF THIS AFTERNOON...NW wind 10 to 20 kts with gusts to
around 25 kts. Mostly sunny. Waves 1 to 3 ft.
.TONIGHT...N wind 10 to 20 kts with gusts to around 25 kts.
Partly cloudy. Waves 1 to 3 ft building to 2 to 4 ft early in the
morning.
.SATURDAY...NE wind 10 to 15 kts. Partly sunny. Waves 1 to 3 ft.
.SATURDAY NIGHT...E wind 10 to 15 kts veering SE after midnight.
Partly cloudy. Waves 2 ft or less.
.SUNDAY...SE wind 10 to 20 kts. Partly cloudy. Waves 2 ft or
less.

$$

LMZ541-110100-
Rock Island Passage to Sturgeon Bay WI-
424 PM CDT Fri Oct 10 2025

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

.REST OF THIS AFTERNOON...NW wind 15 to 25 kts. Mostly sunny.
Waves 3 to 5 ft.
.TONIGHT...N wind 10 to 20 kts with gusts to around 25 kts.
Partly cloudy in the evening then becoming mostly cloudy. Waves
3 to 5 ft subsiding to 1 to 3 ft.
.SATURDAY...NE wind 10 to 20 kts decreasing to 5 to 10 kts in the
afternoon. Mostly cloudy. Waves 1 to 3 ft.
.SATURDAY NIGHT...E wind 10 to 15 kts veering SE 10 to 20 kts
after midnight. Partly cloudy. Waves 1 to 3 ft.
.SUNDAY...S wind 10 to 20 kts. Mostly sunny in the morning then
becoming partly cloudy. Waves 1 to 3 ft.

$$

LMZ542-543-110100-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
424 PM CDT Fri Oct 10 2025

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

.REST OF THIS AFTERNOON...NW wind 10 to 20 kts with gusts to
around 25 kts. Partly cloudy. Waves 2 to 4 ft.
.TONIGHT...N wind 10 to 20 kts with gusts to around 25 kts. Clear
in the evening then becoming partly cloudy. Waves 2 to 4 ft
subsiding to 1 to 3 ft in the late evening and overnight.
.SATURDAY...NE wind 10 to 20 kts. Mostly cloudy. Waves 1 to 3 ft.
.SATURDAY NIGHT...E wind 10 to 15 kts veering SE 10 to 20 kts
after midnight. Partly cloudy. Waves 1 to 3 ft building to 2 to
4 ft after midnight.
.SUNDAY...SE wind 10 to 20 kts. Partly cloudy. Waves 3 to 5 ft. A
Small Craft Advisory may be needed.

$$

See Lake Michigan Open Lake Forecast for Monday through Wednesday.