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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: 11:22 pm CDT Mar 19, 2026
Forecast Valid: 12am CDT Mar 20, 2026-6pm CDT Mar 26, 2026

Overnight

S wind 10 to 15 kt becoming SW. Mostly cloudy. Waves around 1 ft.

Friday

SW wind 10 to 15 kt becoming N in the afternoon. Mostly cloudy. Waves 1 to 2 ft.

Friday Night

N wind 5 to 10 kt becoming ENE after midnight. Mostly cloudy. Waves around 1 ft.

Saturday

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

Saturday Night

SW wind 10 to 15 kt. Partly cloudy. Waves 1 to 2 ft.

Sunday

SSW wind 15 to 25 kt becoming N in the afternoon. A chance of rain. Waves 2 ft building to 5 ft.

Sunday Night

N wind 20 to 25 kt. Mostly cloudy. Waves 7 to 8 ft. occasionally to 10ft.

Monday

N wind 10 to 20 kt. Mostly sunny. Waves 7 ft subsiding to 4 ft.

Monday Night

ENE wind 5 to 10 kt becoming SSE after midnight. Partly cloudy. 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.