Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 132123
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
423 PM CDT Mon Oct 13 2025

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

LMZ521-522-140100-
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-
423 PM CDT Mon Oct 13 2025

.REST OF THIS AFTERNOON...SW wind around 5 kts. Partly sunny.
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...NE wind 10 to 20 kts. A chance of rain showers in the
afternoon. Waves 2 ft or less.
.TUESDAY NIGHT...NE wind 10 to 15 kts. A chance of rain showers.
Waves 2 ft or less.
.WEDNESDAY...NE wind 5 to 10 kts. Partly cloudy. Waves 2 ft or
less.

$$

LMZ541-140100-
Rock Island Passage to Sturgeon Bay WI-
423 PM CDT Mon Oct 13 2025

.REST OF THIS AFTERNOON...SW wind 5 to 10 kts. A slight chance of
light showers. Waves 1 to 3 ft.
.TONIGHT...NW wind 10 to 15 kts veering N 10 to 20 kts after
midnight. Partly cloudy. Waves 1 to 3 ft.
.TUESDAY...N wind 10 to 20 kts. A chance of rain showers in the
afternoon. Waves 2 ft or less.
.TUESDAY NIGHT...N wind 10 to 20 kts veering NE 5 to 10 kts after
midnight. A chance of rain showers. Waves 2 ft or less.
.WEDNESDAY...NE wind 5 to 10 kts. Partly cloudy. Waves 2 ft or
less.

$$

LMZ542-543-140100-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
423 PM CDT Mon Oct 13 2025

.REST OF THIS AFTERNOON...SW wind 5 to 10 kts. Mostly cloudy.
Waves 1 to 3 ft.
.TONIGHT...NW wind 5 to 10 kts veering N 10 to 20 kts after
midnight. Partly cloudy. Waves 1 to 3 ft.
.TUESDAY...NE wind 10 to 20 kts. A chance of rain showers in the
afternoon. Waves 1 to 3 ft.
.TUESDAY NIGHT...NE wind 10 to 20 kts. A chance of rain showers.
Waves 1 to 3 ft.
.WEDNESDAY...NE wind 5 to 10 kts. Mostly cloudy in the morning
then becoming partly cloudy. Waves 1 to 3 ft.

$$

See Lake Michigan Open Lake Forecast for Thursday through Saturday.