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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: 5:07 pm CDT Jul 5, 2025
Forecast Valid: 6pm CDT Jul 5, 2025-6pm CDT Jul 12, 2025

Tonight

SSW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly after 2am. Waves 1 ft or less.

Sunday

SW wind 10 to 15 kt becoming N in the afternoon. A chance of showers and thunderstorms. Waves 1 ft or less.

Sunday Night

N wind 10 to 15 kt. A chance of showers and thunderstorms, mainly before 10pm. Waves around 2 ft.

Monday

NNE wind around 10 kt. Mostly sunny. Waves around 2 ft.

Monday Night

NNE wind 5 to 10 kt. Mostly clear. Waves around 1 ft.

Tuesday

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

Tuesday Night

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

Wednesday

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

Wednesday Night

Variable winds 5 kt or less. Mostly 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.