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4NM ENE Chicago IL

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 6:11 am CDT Oct 11, 2026
Forecast Valid: 8am CDT Oct 11, 2026-6pm CDT Oct 17, 2026

Today

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Tonight

SSE wind 5 to 10 kt becoming SSW after midnight. Increasing clouds. Waves 1 ft or less.

Columbus Day

SSW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Monday Night

SSW wind around 10 kt, with gusts as high as 15 kt. Mostly clear. Waves around 1 ft.

Tuesday

SW wind around 10 kt becoming NNW in the afternoon. Winds could gust as high as 15 kt. Sunny. Waves 1 ft or less.

Tuesday Night

NNE wind around 10 kt. A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Waves 1 to 2 ft.

Wednesday

NNE wind around 10 kt. A chance of showers, mainly before 1pm. Waves 2 to 3 ft.

Wednesday Night

NNE wind 15 to 20 kt. A chance of showers. Waves 3 to 4 ft.

Thursday

E wind 15 to 20 kt. Showers likely. Waves 3 to 4 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.