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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: 4:51 am CDT Sep 9, 2026
Forecast Valid: 7am CDT Sep 9, 2026-6pm CDT Sep 15, 2026

Today

SW wind around 10 kt. Showers, mainly before noon. Waves 1 ft or less.

Tonight

W wind 5 to 10 kt becoming NNW after midnight. Partly cloudy. Waves 1 ft or less.

Thursday

N wind 5 to 10 kt becoming NE in the afternoon. Mostly sunny. Waves around 1 ft.

Thursday Night

NE wind 5 to 10 kt becoming SE after midnight. Mostly clear. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Friday Night

SE wind 5 to 10 kt becoming S after midnight. Mostly clear. Waves 1 ft or less.

Saturday

SSW wind 5 to 10 kt. A chance of showers, with thunderstorms also possible after 1pm. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

Sunday

N wind 5 to 10 kt becoming NE in the morning. Mostly sunny. Waves 1 ft or less.

*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.