Winthrop Harbor To Wilmette Harbor-
Wilmette Harbor To Northerly Island-
Northerly Island To Calumet Harbor-
Rest Of Tonight
North winds 5 to 10 kt becoming east late. Mostly cloudy. Waves 1 to 3 ft subsiding to around 1 ft overnight.
East winds 10 to 15 kt. Chance of showers through the day with a slight chance of thunderstorms in the afternoon. Waves around 1 ft.
East winds 10 to 15 kt becoming southeast 10 to 20 kt late. Showers likely with a chance of thunderstorms. Waves building to 1 to 3 ft.
Southeast winds 15 to 25 kt becoming east. Showers and thunderstorms likely. Waves 3 to 5 ft occasionally to 8 ft. A Small Craft Advisory may be needed.