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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: 4:12 am CDT Oct 3, 2025
Forecast Valid: 5am CDT Oct 3, 2025-6pm CDT Oct 9, 2025

Today

SSW wind 5 to 10 kt becoming SE in the afternoon. Sunny. Waves 1 ft or less.

Tonight

SE wind around 10 kt becoming SSW after midnight. Mostly clear. Waves 1 ft or less.

Saturday

SSW wind 5 to 10 kt becoming SSE in the afternoon. Sunny. Waves 1 ft or less.

Saturday Night

S wind 10 to 15 kt. Mostly clear. Waves 1 ft or less.

Sunday

S wind around 10 kt, with gusts as high as 15 kt. Sunny. Waves around 1 ft.

Sunday Night

SSW wind 10 to 15 kt. Mostly clear. Waves 1 to 2 ft.

Monday

SSW wind 5 to 15 kt becoming NE in the afternoon. A chance of showers and thunderstorms after 1pm. Waves 1 ft or less.

Monday Night

N wind around 10 kt becoming WNW after midnight. Showers likely. Waves 1 ft or less.

Tuesday

N wind 10 to 15 kt. Showers likely. Waves around 2 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.