Winthrop Harbor To Wilmette Harbor-
Wilmette Harbor To Northerly Island-
Northerly Island To Calumet Harbor-
South winds less than 10 kt becoming southeast. Slight chance of showers and thunderstorms through the day. Waves around 1 ft.
Southeast winds around 10 kt becoming south after midnight. Partly cloudy. Waves around 1 ft.
South winds 10 to 15 kt. Mostly sunny. Waves around 1 ft.
South winds 10 to 15 kt. Partly cloudy. Waves 1 to 2 ft.