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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: 5:46 am CDT Oct 31, 2026
Forecast Valid: 7am CDT Oct 31, 2026-6pm CST Nov 6, 2026

Today

SE wind around 10 kt. Scattered showers, mainly before noon. Waves around 1 ft.

Tonight

SSE wind 5 to 10 kt. Isolated showers before midnight. Waves 1 ft or less.

Sunday

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

Sunday Night

SSE wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

Monday

SSE wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers after 1pm. Waves around 1 ft.

Monday Night

S wind 15 to 20 kt. A chance of showers. Waves 2 to 3 ft.

Tuesday

S wind around 20 kt, with gusts as high as 30 kt. Showers. Waves 2 to 3 ft.

Tuesday Night

S wind 10 to 15 kt, with gusts as high as 25 kt. Showers likely. Waves 1 to 2 ft.

Wednesday

S wind around 10 kt, with gusts as high as 15 kt. A chance of showers. Waves around 1 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.