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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: 1:11 am CDT Oct 25, 2026
Forecast Valid: 2am CDT Oct 25, 2026-6pm CDT Oct 31, 2026

Sunday

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

Sunday Night

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

Monday

NNE wind 5 to 15 kt. Mostly cloudy. Waves 1 to 2 ft.

Monday Night

NNE wind 10 to 15 kt becoming E after midnight. Mostly cloudy. Waves 2 to 3 ft.

Tuesday

SE wind 5 to 10 kt. Mostly cloudy. Waves 1 to 2 ft.

Tuesday Night

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

Wednesday

S wind around 10 kt. Mostly sunny. Waves 1 ft or less.

Wednesday Night

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

Thursday

Variable winds 5 kt or less. Mostly 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.