Station List

National Weather Service Marine Forecast FZUS53 KGRB

FZUS53 KGRB 151104
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
604 AM CDT Tue Jul 15 2025

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

LMZ521-522-152000
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
604 AM CDT Tue Jul 15 2025

TODAY
S wind 10 to 20 kts. Mostly sunny. Waves 2 ft or less.

TONIGHT
S wind 5 to 10 kts veering SW after midnight. A slight chance of light showers and thunderstorms. Waves 2 ft or less.

WEDNESDAY
NE wind 10 to 15 kts. A chance of thunderstorms. Light showers likely in the afternoon. Waves 2 ft or less.

WEDNESDAY NIGHT
N wind 10 to 20 kts. Light rain showers and a chance of thunderstorms. Waves 1 to 3 ft.

LMZ541-152000
Rock Island Passage to Sturgeon Bay WI
604 AM CDT Tue Jul 15 2025

TODAY
S wind 10 to 20 kts. Mostly sunny. Waves 1 to 3 ft building to 2 to 4 ft late in the afternoon.

TONIGHT
S wind 10 to 20 kts veering SW 5 to 10 kts after midnight. Partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight.

WEDNESDAY
N wind 5 to 10 kts. A chance of light showers. A chance of thunderstorms in the afternoon. Waves 2 ft or less.

WEDNESDAY NIGHT
N wind 10 to 20 kts. Light rain showers likely and a chance of thunderstorms. Waves 1 to 3 ft.

LMZ542-543-152000
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI
604 AM CDT Tue Jul 15 2025

TODAY
S wind 10 to 20 kts. Sunny. Waves 1 to 3 ft.

TONIGHT
S wind 10 to 15 kts. Mostly clear. Waves 1 to 3 ft.

WEDNESDAY
E wind 5 to 10 kts backing NE 10 to 15 kts in the afternoon. A chance of light showers and thunderstorms. Waves 2 ft or less.

WEDNESDAY NIGHT
N wind 10 to 20 kts. Light rain showers likely in the evening. A chance of thunderstorms. A chance of rain showers after midnight. Waves 1 to 3 ft.

See Lake Michigan Open Lake Forecast for Thursday through Saturday.