Winthrop Harbor To Wilmette Harbor-
Wilmette Harbor To Northerly Island-
Northerly Island To Calumet Harbor-
Southeast winds 10 to 20 kt becoming south late. Chance of showers late in the evening...then showers likely with a slight chance of thunderstorms. Waves 2 to 4 ft.
South winds 10 to 20 kt. Chance of showers and thunderstorms in the morning...then showers and thunderstorms likely in the afternoon. Waves 2 to 4 ft.
Southwest winds 10 to 20 kt. Showers and thunderstorms in the evening...then showers likely and a chance of thunderstorms after midnight. Waves 2 to 4 ft.
West winds 20 to 25 kt increasing to winds to 30 kt in the afternoon. Chance of showers in the morning... then slight chance of showers in the afternoon. Waves 3 to 5 ft occasionally to 7 ft. A Small Craft Advisory will likely be needed.