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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 pm CDT Aug 3, 2026
Forecast Valid: 3pm CDT Aug 3, 2026-6pm CDT Aug 9, 2026

This Afternoon

E wind 5 to 10 kt. Sunny. Waves around 1 ft.

Tonight

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

Tuesday

S wind 5 to 10 kt. Sunny. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.

Wednesday

Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Showers and possibly a thunderstorm. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. Showers likely, with thunderstorms also possible after 10am. Waves 1 ft or less.

Thursday Night

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

Friday

Variable winds 5 kt or less. 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.