For More Weather Information:

17NM ENE Chicago IL

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 5:46 am CDT Mar 19, 2026
Forecast Valid: 7am CDT Mar 19, 2026-6pm CDT Mar 25, 2026

Today

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

Tonight

E wind 5 to 10 kt becoming SSW after midnight. Partly cloudy. Waves 1 ft or less.

Friday

SW wind around 10 kt becoming NNW in the afternoon. Mostly cloudy. Waves 1 ft or less.

Friday Night

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

Saturday

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

Saturday Night

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

Sunday

NW wind 15 to 25 kt becoming N in the morning. A slight chance of rain. Waves 2 ft building to 6 ft.

Sunday Night

N wind around 25 kt. Mostly cloudy. Waves 8 to 10 ft. occasionally to 13ft.

Monday

N wind 20 to 25 kt decreasing to 10 to 15 kt in the afternoon. Partly sunny. Waves 9 ft subsiding to 5 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.