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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: 7:11 pm CDT Apr 27, 2026
Forecast Valid: 7pm CDT Apr 27, 2026-6pm CDT May 4, 2026

Tonight

S wind 15 to 20 kt becoming W after midnight. Winds could gust as high as 30 kt. Showers and thunderstorms, mainly before midnight. Waves 1 to 3 ft.

Tuesday

W wind 10 to 15 kt, with gusts as high as 25 kt. Partly sunny. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. A chance of showers, mainly after 1am. Waves 1 ft or less.

Wednesday

N wind around 10 kt, with gusts as high as 15 kt. Partly sunny. Waves 1 to 2 ft.

Wednesday Night

Variable winds 5 kt or less. Winds could gust as high as 10 kt. Partly cloudy. Waves around 1 ft.

Thursday

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

Thursday Night

Variable winds 5 kt or less. Winds could gust as high as 10 kt. Partly cloudy. Waves 1 ft or less.

Friday

NNE wind around 10 kt. Partly sunny. Waves around 1 ft.

Friday Night

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