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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: 8:31 am CDT Sep 5, 2026
Forecast Valid: 9am CDT Sep 5, 2026-6pm CDT Sep 11, 2026

Today

N wind around 10 kt, with gusts as high as 15 kt. Cloudy, then gradually becoming mostly sunny. Waves 1 to 2 ft.

Tonight

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

Sunday

E wind around 10 kt becoming NE in the afternoon. Sunny. Waves 1 to 2 ft.

Sunday Night

NE wind 5 to 10 kt becoming SE after midnight. Mostly clear. Waves 1 to 2 ft.

Labor Day

SE wind 5 to 10 kt becoming E in the afternoon. Mostly sunny. Waves 1 ft or less.

Monday Night

E wind around 10 kt becoming SSE after midnight. Partly cloudy. Waves around 1 ft.

Tuesday

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

Tuesday Night

S wind 10 to 15 kt. Partly cloudy. Waves around 1 ft.

Wednesday

W wind around 10 kt. Partly 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.