Station List

National Weather Service Marine Forecast FZUS53 KGRB

FZUS53 KGRB 080136
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
836 PM CDT Thu May 7 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-080400
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
836 PM CDT Thu May 7 2026

TONIGHT
SW wind 5 to 10 kts. Waves 2 ft or less. Mostly cloudy in the evening then becoming partly cloudy.

FRIDAY
SW wind 10 to 15 kts. Waves 2 ft or less. A chance of sprinkles in the afternoon.

FRIDAY NIGHT
S wind 10 to 15 kts veering SW after midnight. Waves 2 ft or less. A chance of showers.

SATURDAY
W wind 10 to 15 kts veering NW early in the afternoon. Waves 2 ft or less. A chance of showers.

LMZ541-080400
Rock Island Passage to Sturgeon Bay WI
836 PM CDT Thu May 7 2026

TONIGHT
S wind 10 to 15 kts veering SW 5 to 10 kts in the late evening and overnight. Waves 1 to 3 ft. Mostly cloudy in the evening then becoming partly cloudy.

FRIDAY
S wind 10 to 15 kts. Waves 2 to 4 ft. A chance of showers in the afternoon.

FRIDAY NIGHT
SW wind 10 to 15 kts. Waves 2 to 4 ft. A chance of showers.

SATURDAY
W wind 10 to 15 kts veering N early in the afternoon. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. A chance of showers.

LMZ542-543-080400
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI
836 PM CDT Thu May 7 2026

TONIGHT
S wind 5 to 10 kts veering SW after midnight. Waves 2 ft or less. Mostly clear.

FRIDAY
SW wind 10 to 15 kts backing S early in the afternoon. Waves 2 ft or less building to 2 to 4 ft in the afternoon. A chance of sprinkles in the afternoon.

FRIDAY NIGHT
S wind 10 to 15 kts veering SW after midnight. Waves 3 to 5 ft. A chance of sprinkles.

SATURDAY
W wind 10 to 15 kts veering NW early in the afternoon. Waves 1 to 3 ft. A chance of showers.

See Lake Michigan Open Lake Forecast for Sunday through Tuesday.

Wave height forecast is for ice free areas.