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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: 7:35 pm CDT Oct 10, 2026
Forecast Valid: 9pm CDT Oct 10, 2026-6pm CDT Oct 17, 2026

Tonight

SSE wind 5 to 10 kt, with gusts as high as 15 kt. Partly cloudy. Waves around 1 ft.

Sunday

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

Sunday Night

SE wind 5 to 10 kt becoming SSW after midnight. Mostly clear. Waves 1 ft or less.

Columbus Day

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

Monday Night

SSW wind around 10 kt, with gusts as high as 15 kt. Partly cloudy. Waves around 1 ft.

Tuesday

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

Tuesday Night

N wind around 10 kt. A chance of showers, mainly after 1am. Waves 1 to 2 ft.

Wednesday

NNE wind around 10 kt. A chance of showers. Waves around 2 ft.

Wednesday Night

NNE wind 15 to 20 kt becoming E after midnight. A chance of showers. 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.