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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: 9:16 pm CDT May 20, 2026
Forecast Valid: 11pm CDT May 20, 2026-6pm CDT May 27, 2026

Overnight

NE wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Waves 3 to 4 ft.

Thursday

E wind 10 to 15 kt becoming NNE in the afternoon. Winds could gust as high as 25 kt. Mostly sunny. Waves 2 to 3 ft.

Thursday Night

NNE wind 10 to 15 kt becoming E after midnight. Winds could gust as high as 20 kt. Mostly cloudy. Waves 2 to 3 ft.

Friday

ENE wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers after 1pm. Waves 2 to 3 ft.

Friday Night

ENE wind 10 to 20 kt. Showers. Waves 3 to 4 ft.

Saturday

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

Saturday Night

Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 1am. Waves around 1 ft.

Sunday

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

Sunday Night

Variable winds 5 kt or less. Partly cloudy. 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.