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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: 6:26 am CDT Apr 6, 2026
Forecast Valid: 7am CDT Apr 6, 2026-6pm CDT Apr 12, 2026

Today

NW wind 10 to 15 kt. Mostly sunny. Waves around 2 ft.

Tonight

N wind 15 to 20 kt. A slight chance of rain and snow showers before 1am, then a slight chance of snow showers after 4am. Waves 3 ft building to 7 ft.

Tuesday

NE wind 5 to 15 kt. A slight chance of snow showers before 10am. Waves 6 ft subsiding to 2 ft.

Tuesday Night

ENE wind 5 to 15 kt becoming SSE after midnight. Increasing clouds. Waves 1 to 2 ft.

Wednesday

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

Wednesday Night

S wind around 20 kt. A chance of rain after 1am. Waves 3 to 4 ft.

Thursday

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

Thursday Night

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

Friday

N wind 5 to 10 kt. A chance of showers. Waves 1 to 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.