Nearshore Marine Forecast
Issued by NWS Green Bay, WI

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
043
FZUS53 KGRB 130141
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
841 PM CDT Wed Mar 12 2025

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

LMZ521-522-130800-
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-
841 PM CDT Wed Mar 12 2025

.TONIGHT...SE wind around 5 kts veering SW after midnight. Partly
cloudy. Waves 2 ft or less.
.THURSDAY...S wind around 5 kts backing SE in the afternoon.
Partly cloudy. Waves 2 ft or less.
.THURSDAY NIGHT...SE wind 5 to 10 kts. Partly cloudy. Waves 2 ft
or less.
.FRIDAY...SE wind 10 to 20 kts. Partly sunny. Waves 2 ft or less.

Wave height forecast is for ice free areas.
$$

LMZ541-130800-
Rock Island Passage to Sturgeon Bay WI-
841 PM CDT Wed Mar 12 2025

.TONIGHT...E wind around 5 kts veering SW after midnight. Partly
cloudy. Waves 2 ft or less.
.THURSDAY...SW wind around 5 kts backing S in the afternoon.
Partly sunny. Waves 2 ft or less.
.THURSDAY NIGHT...SE wind 5 to 10 kts. Partly cloudy. Waves 1 to
3 ft.
.FRIDAY...SE wind 10 to 20 kts. Mostly cloudy. Waves 3 to 5 ft. A
Small Craft Advisory may be needed.

$$

LMZ542-543-130800-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
841 PM CDT Wed Mar 12 2025

.TONIGHT...SE wind around 5 kts veering S after midnight. Partly
cloudy. Waves 2 ft or less.
.THURSDAY...S wind 5 to 10 kts. Mostly sunny. Waves 2 ft or less.
.THURSDAY NIGHT...SE wind 5 to 10 kts veering S 10 to 20 kts
after midnight. Partly cloudy. Waves 2 ft or less building to
2 to 4 ft early in the morning.
.FRIDAY...S wind 15 to 25 kts. Partly sunny. Waves 3 to 5 ft
building to 4 to 7 ft in the afternoon. A Small Craft Advisory
may be needed.

$$

See Lake Michigan Open Lake Forecast for Saturday through Monday.