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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: 11:36 pm CDT Oct 3, 2026
Forecast Valid: 11pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026

Overnight

S wind around 10 kt. Partly cloudy. Waves 1 ft or less.

Sunday

WSW wind around 10 kt becoming NNW in the afternoon. Sunny. Waves 1 ft or less.

Sunday Night

NNW wind around 10 kt. Mostly clear. Waves around 1 ft.

Monday

NNW wind 5 to 10 kt becoming NE in the afternoon. Sunny. Waves around 1 ft.

Monday Night

Variable winds 5 kt or less. Clear. Waves around 1 ft.

Tuesday

S wind 5 to 10 kt, with gusts as high as 15 kt. Sunny. Waves 1 ft or less.

Tuesday Night

SSW wind around 10 kt. Mostly clear. Waves 1 ft or less.

Wednesday

WSW wind 5 to 10 kt. Sunny. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. 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.