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 3:49 am CDT on April 30, 2017
Small Craft Advisory in effect through Tuesday afternoon
Northeast winds to 30 kt becoming east...then diminishing to 20 to 25 kt. Rain showers in the morning. Chance of thunderstorms through the day. Rain showers likely in the afternoon. Waves 8 to 11 ft occasionally to 13 ft subsiding to 5 to 8 ft occasionally to 10 ft.
East winds 20 to 25 kt becoming south 15 to 25 kt after midnight. Rain showers and a chance of thunderstorms in the evening, then chance of showers after midnight. Waves 4 to 7 ft occasionally to 9 ft.
South winds 20 to 25 kt becoming southwest to 30 kt in the afternoon. Chance of showers. Waves 3 to 5 ft occasionally to 7 ft.
Southwest winds to 30 kt. Chance of showers. Waves 3 to 5 ft occasionally to 7 ft.