Wilmette Harbor To Northerly Island-
Northerly Island To Calumet Harbor-
Rest Of Tonight
Northeast winds 5 to 10 kt becoming southeast after midnight. Mostly cloudy. Waves around 1 ft.
Southeast winds 10 to 15 kt increasing to 10 to 20 kt. Slight chance of showers and thunderstorms mid to late afternoon. Waves 1 to 3 ft.
Southeast winds 10 to 20 kt increasing to 15 to 25 kt. Showers and thunderstorms likely. Waves 2 to 4 ft building to 3 to 5 ft after midnight.
South winds 15 to 20 kt becoming southwest in the afternoon. Showers and thunderstorms likely. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon.