603
FZUS53 KGRB 182314
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
513 PM CST Tue Nov 18 2025

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

LMZ521-522-190900-
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-
513 PM CST Tue Nov 18 2025

.TONIGHT...NE wind around 5 kts backing N after midnight. Mostly
clear. Waves 2 ft or less.
.WEDNESDAY...W wind around 5 kts backing SW in the afternoon.
Mostly sunny in the morning then becoming mostly cloudy. Waves
2 ft or less.
.WEDNESDAY NIGHT...SW wind 5 to 10 kts. Mostly cloudy. Waves 2 ft
or less.
.THURSDAY...SW wind 10 to 20 kts. A chance of light rain. Waves
2 ft or less.

$$

LMZ541-190900-
Rock Island Passage to Sturgeon Bay WI-
513 PM CST Tue Nov 18 2025

.TONIGHT...NE wind around 5 kts backing N after midnight. Mostly
clear. Waves 2 ft or less.
.WEDNESDAY...W wind around 5 kts backing SW in the afternoon.
Mostly sunny in the morning then becoming mostly cloudy. Waves
2 ft or less.
.WEDNESDAY NIGHT...SW wind 5 to 10 kts. Mostly cloudy. Waves 2 ft
or less.
.THURSDAY...SW wind 10 to 20 kts. Light rain likely. Waves 1 to
3 ft.

$$

LMZ542-543-190900-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
513 PM CST Tue Nov 18 2025

.TONIGHT...N wind 5 to 10 kts. Mostly clear. Waves 2 ft or less.
.WEDNESDAY...NW wind around 5 kts backing S in the afternoon.
Partly cloudy in the morning then becoming mostly cloudy. Waves
2 ft or less.
.WEDNESDAY NIGHT...SW wind 5 to 10 kts. Mostly cloudy. Waves 2 ft
or less.
.THURSDAY...SW wind 5 to 10 kts increasing to 10 to 20 kts in the
afternoon. A chance of light rain. Waves 1 to 3 ft.

$$

See Lake Michigan Open Lake Forecast for Friday through Sunday.