Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 182153
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
453 PM CDT Fri Jul 18 2025

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

LMZ521-522-190100-
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-
453 PM CDT Fri Jul 18 2025

.REST OF THIS AFTERNOON...S wind 5 to 10 kts. Partly cloudy.
Waves 2 ft or less.
.TONIGHT...S wind 5 to 10 kts. A slight chance of light showers
and thunderstorms after midnight. Waves 2 ft or less.
.SATURDAY...S wind 5 to 10 kts veering N in the afternoon. A
chance of light showers and thunderstorms. Waves 2 ft or less.
.SATURDAY NIGHT...N wind 5 to 10 kts. Partly cloudy. Waves 2 ft
or less.
.SUNDAY...NE wind 5 to 10 kts veering E in the afternoon. Mostly
sunny. Waves 2 ft or less.

$$

LMZ541-190100-
Rock Island Passage to Sturgeon Bay WI-
453 PM CDT Fri Jul 18 2025

.REST OF THIS AFTERNOON...S wind 5 to 10 kts. Partly cloudy.
Waves 2 ft or less.
.TONIGHT...S wind 5 to 10 kts. A slight chance of light showers
and thunderstorms after midnight. Waves 2 ft or less.
.SATURDAY...S wind 5 to 10 kts veering NW in the afternoon.
Showers likely in the morning. A chance of thunderstorms. A
chance of light showers in the afternoon. Waves 2 ft or less.
.SATURDAY NIGHT...N wind 5 to 10 kts. Partly cloudy. Waves 2 ft
or less.
.SUNDAY...N wind 5 to 10 kts veering E in the afternoon. Mostly
sunny. Waves 2 ft or less.

$$

LMZ542-543-190100-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
453 PM CDT Fri Jul 18 2025

.REST OF THIS AFTERNOON...S wind 5 to 10 kts. Mostly sunny. Waves
2 ft or less.
.TONIGHT...S wind 5 to 10 kts. A slight chance of light showers
and thunderstorms after midnight. Waves 2 ft or less.
.SATURDAY...S wind 5 to 10 kts veering NW in the afternoon. A
chance of light showers and thunderstorms. Waves 2 ft or less.
.SATURDAY NIGHT...N wind 5 to 10 kts. Partly cloudy. Waves 2 ft
or less.
.SUNDAY...NE wind 5 to 10 kts. Mostly sunny. Waves 2 ft or less.

$$

See Lake Michigan Open Lake Forecast for Monday through Wednesday.