464
FZUS53 KGRB 201845
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
1245 PM CST Thu Nov 20 2025

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

LMZ521-522-210300-
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-
1245 PM CST Thu Nov 20 2025

.THIS AFTERNOON...SW wind 10 to 15 kts. A slight chance of light
rain and drizzle. Waves 1 to 3 ft.
.TONIGHT...W wind 10 to 20 kts. Mostly cloudy in the evening then
becoming partly cloudy. Waves 2 ft or less.
.FRIDAY...W wind 5 to 10 kts veering NW in the afternoon. Partly
cloudy in the morning then clearing. Waves 2 ft or less.
.FRIDAY NIGHT...NW wind 5 to 10 kts. Mostly clear. Waves 2 ft or
less.

$$

LMZ541-210300-
Rock Island Passage to Sturgeon Bay WI-
1245 PM CST Thu Nov 20 2025

.THIS AFTERNOON...SW wind 10 to 20 kts. A slight chance of light
rain and drizzle. Waves 1 to 3 ft.
.TONIGHT...W wind 10 to 20 kts. Mostly cloudy in the evening then
becoming partly cloudy. Waves 1 to 3 ft.
.FRIDAY...NW wind 10 to 15 kts. Partly cloudy. Waves 2 ft or
less.
.FRIDAY NIGHT...NW wind 5 to 10 kts. Mostly clear. Waves 2 ft or
less.

$$

LMZ542-543-210300-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1245 PM CST Thu Nov 20 2025

.THIS AFTERNOON...SW wind 10 to 15 kts. A slight chance of light
rain and drizzle. Waves 2 ft or less.
.TONIGHT...W wind 10 to 20 kts. Mostly cloudy. Waves 2 ft or
less.
.FRIDAY...W wind 10 to 20 kts veering NW 5 to 10 kts in the
afternoon. Mostly sunny. Waves 2 ft or less.
.FRIDAY NIGHT...N wind 5 to 10 kts. Mostly clear. Waves 2 ft or
less.

$$

See Lake Michigan Open Lake Forecast for Saturday through Monday.