Station List

National Weather Service Marine Forecast FZUS53 KGRB

FZUS53 KGRB 201838
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
1238 PM CST Tue Jan 20 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-202300
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
1238 PM CST Tue Jan 20 2026

THIS AFTERNOON
SW wind 10 to 20 kts. Waves 2 ft or less. Partly cloudy.

TONIGHT
SW wind 10 to 15 kts. Waves 2 ft or less. A chance of flurries after midnight.

WEDNESDAY
W wind 10 to 15 kts. Waves 2 ft or less. A chance of flurries in the morning. Light snow likely in the afternoon.

WEDNESDAY NIGHT
W wind 10 to 15 kts increasing to 15 to 25 kts after midnight. Waves 2 ft or less. A chance of light snow in the evening. A Small Craft Advisory may be needed.

LMZ541-202300
Rock Island Passage to Sturgeon Bay WI
1238 PM CST Tue Jan 20 2026

THIS AFTERNOON
W wind 15 to 25 kts. Waves 1 to 3 ft. Partly cloudy.

TONIGHT
SW wind 15 to 25 kts veering W 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. A chance of flurries after midnight.

WEDNESDAY
W wind 10 to 15 kts. Waves 1 to 3 ft. A chance of flurries in the morning. Light snow likely in the afternoon.

WEDNESDAY NIGHT
W wind 15 to 25 kts. Waves 1 to 3 ft. A chance of light snow in the evening. A Small Craft Advisory may be needed.

LMZ542-543-202300
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI
1238 PM CST Tue Jan 20 2026

THIS AFTERNOON
W wind 10 to 20 kts. Waves 1 to 3 ft. Partly cloudy.

TONIGHT
SW wind 10 to 15 kts veering W 5 to 10 kts after midnight. Waves 1 to 3 ft. A chance of light snow.

WEDNESDAY
W wind 10 to 15 kts increasing to 15 to 25 kts early in the afternoon. Waves 1 to 3 ft. A chance of flurries in the morning. Light snow likely in the afternoon. A Small Craft Advisory may be needed.

WEDNESDAY NIGHT
W wind to 30 kts. Waves 2 to 4 ft. A chance of light snow in the evening.

See Lake Michigan Open Lake Forecast for Thursday through Saturday.

Wave height forecast is for ice free areas.