Chicago Harbor Buoy 45198 - LMZ741 - 7/16/2025 3:55 AM
Wilmette Harbor to Northerly Island IL
TODAY
Southwest winds 5 to 10 kt becoming south 10 to 15 kt late. Chance of showers and thunderstorms in the afternoon. Waves around 1 ft.
TONIGHT
Southwest winds 15 to 20 kt becoming west overnight. Showers and thunderstorms likely, mainly in the evening. Waves 1 to 3 ft.
THURSDAY
Northwest winds 15 to 20 kt becoming north 20 to 25 kt in the afternoon. Slight chance of showers in the morning. Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. A small craft advisory will likely be needed.
THURSDAY NIGHT
North winds 15 to 20 kt becoming northeast. Mostly cloudy in the evening, then becoming partly cloudy. Waves 4 to 6 ft occasionally to 8 ft. A small craft advisory will likely be needed.