Chicago Weather

Marine Data

Below you'll find the latest marine forecast for our area. This forecast updates daily.

Wilmette Harbor To Northerly Island-

Northerly Island To Calumet Harbor-

Forecast as of 3:39 am CDT on May 24, 2017

Small Craft Advisory in effect from 1 PM CDT this afternoon through Thursday morning


North winds 10 to 20 kt increasing to 20 to 25 kt by midday. Occasional gusts to 30 kt this afternoon. Areas of fog in the morning. Slight chance of showers through the day. Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.


North winds 20 to 25 kt. Chance of showers in the evening. Waves 4 to 6 ft occasionally to 8 ft.


North winds 10 to 20 kt. Mostly cloudy. Waves subsiding to 3 to 5 ft occasionally to 7 ft.

Thursday Night

Northwest winds 5 to 10 kt becoming west after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 2 to 4 ft.


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