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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: 4:33 am CDT May 5, 2026
Forecast Valid: 5am CDT May 5, 2026-6pm CDT May 11, 2026

Today

NNW wind 5 to 15 kt becoming ESE in the afternoon. A chance of showers before 3pm, then a slight chance of showers after 4pm. Waves 1 ft or less.

Tonight

E wind 5 to 10 kt becoming N after midnight. A slight chance of showers before 7pm. Waves 1 ft or less.

Wednesday

N wind 5 to 10 kt becoming NE in the afternoon. Partly sunny. Waves 1 ft or less.

Wednesday Night

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

Thursday

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

Thursday Night

SSW wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.

Friday

SSW wind around 10 kt. A chance of showers after 1pm. Waves around 1 ft.

Friday Night

SW wind around 10 kt. A chance of showers. Waves 1 ft or less.

Saturday

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

*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.