Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 130623
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
122 AM CDT Mon Oct 13 2025

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

LMZ521-522-131300-
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-
122 AM CDT Mon Oct 13 2025

.OVERNIGHT...S wind 10 to 20 kts. A slight chance of rain
showers. Waves 1 to 3 ft.
.TODAY...SW wind 10 to 15 kts. A chance of rain showers. Waves
2 ft or less.
.TONIGHT...NW wind 10 to 15 kts veering N 10 to 20 kts after
midnight. Mostly clear. Waves 2 ft or less.
.TUESDAY...N wind 5 to 10 kts. Partly cloudy. Waves 2 ft or less.

$$

LMZ541-131300-
Rock Island Passage to Sturgeon Bay WI-
122 AM CDT Mon Oct 13 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

.OVERNIGHT...S wind 10 to 20 kts with gusts to around 25 kts. A
slight chance of rain showers. Waves 3 to 5 ft.
.TODAY...S wind 10 to 20 kts with gusts to around 25 kts veering
SW 5 to 10 kts in the afternoon. A chance of rain showers. Waves
2 to 4 ft subsiding to 1 to 3 ft late in the afternoon.
.TONIGHT...NW wind 5 to 10 kts veering N 10 to 20 kts after
midnight. Mostly clear. Waves 1 to 3 ft.
.TUESDAY...N wind 10 to 20 kts decreasing to 5 to 10 kts in the
afternoon. Partly sunny. Waves 2 ft or less.

$$

LMZ542-543-131300-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
122 AM CDT Mon Oct 13 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

.OVERNIGHT...S wind 10 to 20 kts with gusts to around 25 kts. A
slight chance of rain showers. Waves 2 to 4 ft.
.TODAY...S wind 10 to 20 kts veering SW 5 to 10 kts in the
afternoon. Gusts to around 25 kts. A chance of rain showers.
Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon.
.TONIGHT...NW wind 5 to 10 kts veering N 10 to 20 kts after
midnight. Mostly clear. Waves 1 to 3 ft.
.TUESDAY...N wind 10 to 20 kts. Partly sunny. Waves 1 to 3 ft.

$$

See Lake Michigan Open Lake Forecast for Wednesday through Friday.