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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: 2:51 pm CDT Jun 18, 2026
Forecast Valid: 6pm CDT Jun 18, 2026-6pm CDT Jun 25, 2026

Tonight

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

Juneteenth

WNW wind 5 to 10 kt becoming E in the afternoon. Sunny. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Winds could gust as high as 10 kt. A chance of showers and thunderstorms after 10pm. Waves 1 ft or less.

Saturday

WSW wind around 10 kt becoming NNW in the afternoon. Sunny. Waves 1 ft or less.

Saturday Night

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

Sunday

E wind 5 to 15 kt, with gusts as high as 20 kt. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Waves 1 to 2 ft.

Sunday Night

NE wind 25 to 30 kt. Showers and possibly a thunderstorm before 1am, then a chance of showers. Waves 5 to 7 ft. occasionally to 9ft.

Monday

N wind 20 to 30 kt. Partly sunny. Waves 5 to 7 ft. occasionally to 9ft.

Monday Night

N wind 10 to 15 kt. Mostly clear. Waves 2 to 4 ft.

*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.