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 3:02 PM CST on February 21, 2017


Southeast winds 5 to 10 kt becoming southwest 10 to 15 kt in the late evening and overnight. Areas of fog through the night. Waves nearly calm.


Southwest winds 10 to 20 kt. Areas of fog in the morning. Waves around 1 ft.

Wednesday Night

Southwest winds 10 to 20 kt becoming west 10 to 15 kt after midnight. Partly cloudy. Waves around 1 ft.


Northwest winds 5 to 10 kt becoming northeast 10 to 20 kt in the afternoon. Chance of rain in the afternoon. Waves around 1 ft building to 1 to 3 ft in the afternoon.


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