Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 110448
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
1148 PM CDT Fri Oct 10 2025

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

LMZ521-522-111000-
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-
1148 PM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM CDT SATURDAY...

.REST OF THE NIGHT...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
toward daybreak.
.SATURDAY...NE wind 10 to 15 kts. A slight chance of rain showers
in the afternoon. 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.

$$

LMZ541-111000-
Rock Island Passage to Sturgeon Bay WI-
1148 PM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM CDT SATURDAY...

.REST OF THE NIGHT...N wind 10 to 20 kts with gusts to around
25 kts. Partly cloudy late in the evening then becoming mostly
cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft toward daybreak.
.SATURDAY...NE wind 10 to 20 kts decreasing to 5 to 10 kts in the
afternoon. A slight chance of rain showers in the afternoon.
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.

$$

LMZ542-543-111000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1148 PM CDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM CDT SATURDAY...

.REST OF THE NIGHT...N wind 10 to 20 kts with gusts to around
25 kts. Clear late in the evening then becoming partly cloudy.
Waves 1 to 3 ft.
.SATURDAY...NE wind 10 to 20 kts. A slight chance of rain showers
in the afternoon. 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.