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4NM ENE Chicago IL

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 10:26 pm CST Mar 7, 2026
Forecast Valid: 10pm CST Mar 7, 2026-6pm CDT Mar 14, 2026

Tonight

W wind 10 to 15 kt becoming SW after midnight. Cloudy early, then gradual clearing. Waves 1 ft or less.

Sunday

SW wind around 15 kt, with gusts as high as 25 kt. Sunny. Waves around 1 ft.

Sunday Night

SW wind around 15 kt, with gusts as high as 20 kt. Mostly clear. Waves around 1 ft.

Monday

SW wind 10 to 15 kt. Sunny. Waves 1 ft or less.

Monday Night

SSW wind around 10 kt. Mostly clear. Waves 1 ft or less.

Tuesday

SW wind 10 to 15 kt becoming ENE in the afternoon. A chance of showers and thunderstorms after noon. Waves 1 to 2 ft.

Tuesday Night

E wind around 15 kt becoming W in the evening. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm. Waves 1 ft building to 5 ft.

Wednesday

NNW wind 15 to 20 kt, with gusts as high as 30 kt. Showers. Waves 5 to 6 ft. occasionally to 8ft.

Wednesday Night

NW wind 15 to 20 kt. A chance of rain and snow showers before midnight. Waves 5 to 6 ft. occasionally to 8ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.