Chicago Harbor Buoy 45198 - LMZ741 - 11/4/2025 9:38 PM
Wilmette Harbor to Northerly Island IL
SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TONIGHT
Southwest winds to 30 kt with a few gale force gusts to 35 kt. Partly cloudy. Waves 3 to 5 ft, largest offshore.
WEDNESDAY
West winds to 30 kt becoming northwest in the afternoon. Decreasing cloudiness. Waves 3 to 5 ft, largest southeast of Chicago.
WEDNESDAY NIGHT
Northwest winds 10 to 20 kt. Mostly clear. Waves 3 to 5 ft subsiding to 2 to 4 ft.
THURSDAY
Southwest winds 10 to 20 kt. Increasing cloudiness. Waves 1 to 2 ft building to 2 to 4 ft.