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 9:37 PM CST on November 28, 2015

Rest Of Tonight

North winds 10 to 15 kt diminishing to 5 to 10 kt. Partly cloudy. Waves 2 to 4 ft.


North winds 5 to 10 kt becoming northeast 10 to 15 kt in the early afternoon and then increasing to 10 to 20 kt late. Mostly sunny. Waves 1 to 3 ft.

Sunday Night

Northeast winds 10 to 20 kt becoming east after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 2 to 4 ft.


East winds 10 to 20 kt increasing to 20 to 25 kt in the afternoon. Chance of rain in the afternoon. Waves 2 to 4 ft building to 3 to 6 ft occasionally to 8 ft in the late afternoon. A Small Craft Advisory may be needed.

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