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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: 5:16 am CDT Mar 27, 2026
Forecast Valid: 6am CDT Mar 27, 2026-6pm CDT Apr 2, 2026

Today

N wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. Winds could gust as high as 25 kt. Partly sunny. Waves 9 ft subsiding to 4 ft.

Tonight

NW wind 10 to 20 kt. Mostly clear. Waves 2 to 4 ft.

Saturday

N wind 5 to 10 kt becoming S in the afternoon. Sunny. Waves 1 to 3 ft.

Saturday Night

S wind around 15 kt. Mostly cloudy. Waves 1 to 2 ft.

Sunday

SSW wind 10 to 15 kt. Partly sunny. Waves 1 to 2 ft.

Sunday Night

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

Monday

SSW wind around 10 kt becoming ENE in the afternoon. Mostly sunny. Waves 1 ft or less.

Monday Night

E wind 10 to 20 kt becoming SSW after midnight. Rain likely. Waves 1 ft building to 4 ft.

Tuesday

SSW wind 15 to 20 kt. A chance of rain. 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.