For More Weather Information:

4NM ENE Chicago IL

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 2:41 pm CDT May 27, 2026
Forecast Valid: 6pm CDT May 27, 2026-6pm CDT Jun 3, 2026

Tonight

N wind 10 to 15 kt, with gusts as high as 20 kt. Mostly clear. Waves 1 to 3 ft.

Thursday

N wind around 15 kt, with gusts as high as 20 kt. Sunny. Waves around 3 ft.

Thursday Night

N wind 5 to 15 kt becoming ENE after midnight. Mostly clear. Waves 1 to 3 ft.

Friday

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

Friday Night

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

Saturday

NE wind 10 to 15 kt. Mostly sunny. Waves 1 ft or less.

Saturday Night

NE wind 10 to 15 kt becoming ESE after midnight. Partly cloudy. Waves around 2 ft.

Sunday

ESE wind 5 to 10 kt becoming NE in the afternoon. Mostly sunny. Waves around 1 ft.

Sunday 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.