Chicago Harbor Buoy 45198 - LMZ741 - 9/3/2025 3:37 AM
Wilmette Harbor to Northerly Island IL
TODAY
Southwest winds 15 to 20 kt becoming west in the afternoon. Numerous showers and a chance of thunderstorms in the afternoon. Waves 1 to 2 ft.
TONIGHT
Northwest winds 15 to 25 kt. Scattered showers and a chance of thunderstorms early in the evening. Waves 2 to 4 ft building to 3 to 5 ft.
THURSDAY
Northwest winds 10 to 15 kt becoming west in the afternoon. Mostly sunny. Waves 3 to 5 ft subsiding to 1 to 3 ft.
THURSDAY NIGHT
Southwest winds 20 to 25 kt. Chance of showers overnight. Waves 1 to 3 ft building to 2 to 4 ft.