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17NM ENE Chicago IL

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 2:31 am CDT Mar 23, 2026
Forecast Valid: 3am CDT Mar 23, 2026-6pm CDT Mar 29, 2026

Monday

N wind 10 to 20 kt, with gusts as high as 25 kt. Mostly sunny. Waves 7 ft subsiding to 3 ft.

Monday Night

ENE wind 5 to 10 kt becoming S after midnight. Partly cloudy. Waves 1 to 3 ft.

Tuesday

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

Tuesday Night

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

Wednesday

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

Wednesday Night

SSW wind around 10 kt. Mostly cloudy. Waves around 1 ft.

Thursday

SSW wind 10 to 15 kt becoming NNW in the afternoon. A chance of rain after 1pm. Waves around 1 ft.

Thursday Night

N wind 20 to 25 kt increasing to 25 to 30 kt after midnight. A chance of rain. Waves 3 ft building to 12 ft.

Friday

N wind 25 to 30 kt decreasing to 15 to 20 kt in the afternoon. Partly sunny. Waves 12 ft subsiding to 7 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.