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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: 4:31 pm CDT Apr 29, 2026
Forecast Valid: 7pm CDT Apr 29, 2026-6pm CDT May 6, 2026

Tonight

N wind 5 to 15 kt becoming WNW after midnight. Partly cloudy. Waves 1 to 2 ft.

Thursday

NW wind 5 to 10 kt becoming E in the afternoon. Mostly sunny. Waves around 1 ft.

Thursday Night

Variable winds 5 kt or less. A slight chance of showers before 1am. Waves 1 ft or less.

Friday

NNW wind 5 to 10 kt becoming NE in the afternoon. Mostly sunny. Waves around 1 ft.

Friday Night

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

Saturday

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

Saturday Night

ESE wind 5 to 10 kt becoming SW after midnight. Mostly clear. Waves 1 ft or less.

Sunday

SW wind around 10 kt, with gusts as high as 15 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

SSW wind around 10 kt becoming W after midnight. A chance of showers. 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.