Marine DataBelow you'll find the latest marine forecast for our area. This forecast updates daily.
Winthrop Harbor To Wilmette Harbor-
Wilmette Harbor To Northerly Island-
Northerly Island To Calumet Harbor-
Forecast as of 3:05 am CDT on April 26, 2018
West winds around 5 kt becoming southeast late in the morning, then increasing to 10 to 15 kt in the afternoon. Mostly sunny. Waves 1 to 3 ft.
South winds 10 to 15 kt becoming north 15 to 25 kt after midnight. Slight chance of showers after midnight. Waves 1 ft or less building to 2 to 4 ft after midnight.
North winds 10 to 20 kt becoming southeast 10 to 15 kt in the afternoon. Rain showers and slight chance of thunderstorms in the afternoon. Waves 2 to 4 ft.
North winds 15 to 25 kt. Chance of showers and slight chance of thunderstorms in the evening. Waves 2 to 4 ft building to 3 to 5 ft after midnight.