Chicago Weather

Marine Data

Below 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 8:47 PM CDT on August 25, 2016

Rest Of Tonight

East winds 5 to 10 kt becoming northwest overnight. Mostly cloudy. Waves around 1 ft.


North winds 10 to 15 kt becoming east 5 to 10 kt in the afternoon. Partly sunny. Waves 1 to 3 ft.

Friday Night

East winds 10 to 15 kt. Chance of showers and thunderstorms after midnight. Waves 1 to 3 ft.


Southeast winds 10 to 15 kt becoming south in the afternoon. Showers and thunderstorms likely. Waves 1 to 3 ft.


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