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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: 6:31 am CDT Apr 5, 2026
Forecast Valid: 7am CDT Apr 5, 2026-6pm CDT Apr 11, 2026

Today

NW wind 15 to 20 kt decreasing to 5 to 10 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Waves 4 ft subsiding to 1 ft.

Tonight

W wind around 10 kt, with gusts as high as 15 kt. A chance of showers, mainly between midnight and 4am. Waves around 1 ft.

Monday

NW wind 10 to 15 kt. A slight chance of showers before 7am. Waves around 2 ft.

Monday Night

N wind 15 to 20 kt. Mostly cloudy. Waves 4 ft building to 7 ft.

Tuesday

N wind 5 to 15 kt becoming ENE in the afternoon. Mostly sunny. Waves 6 ft subsiding to 2 ft.

Tuesday Night

E wind 5 to 15 kt becoming SSE after midnight. Mostly cloudy. Waves 1 to 2 ft.

Wednesday

S wind 15 to 20 kt. Mostly cloudy. Waves 2 to 3 ft.

Wednesday Night

S wind 20 to 25 kt. A chance of showers. Waves 3 to 5 ft.

Thursday

SW wind 10 to 20 kt. A chance of showers. Waves 1 to 3 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.