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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: 1:21 am CDT Sep 11, 2026
Forecast Valid: 2am CDT Sep 11, 2026-6pm CDT Sep 17, 2026

Friday

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

Friday Night

E wind 5 to 10 kt becoming S after midnight. Increasing clouds. Waves 1 ft or less.

Saturday

SSW wind 5 to 10 kt becoming WSW in the afternoon. Mostly sunny. Waves 1 ft or less.

Saturday Night

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

Sunday

N wind 5 to 10 kt. A slight chance of showers after 1pm. Waves 1 to 2 ft.

Sunday Night

NNE wind 10 to 15 kt becoming ENE after midnight. A chance of showers, with thunderstorms also possible after 10pm. Waves around 2 ft.

Monday

ESE wind 10 to 15 kt. A chance of showers and thunderstorms before 1pm. Waves 2 to 3 ft.

Monday Night

SE wind around 15 kt becoming SSW after midnight. Winds could gust as high as 25 kt. A chance of showers. Waves around 2 ft.

Tuesday

SW wind 10 to 15 kt becoming N in the afternoon. A chance of showers, with thunderstorms also possible after 1pm. 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.