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: 2:25 am CDT Sep 2, 2026
Forecast Valid: 5am CDT Sep 2, 2026-6pm CDT Sep 8, 2026

Today

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

Tonight

SW wind 5 to 10 kt. A slight chance of showers and thunderstorms after 1am. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 1am. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. A chance of showers and thunderstorms before 1pm. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 1am. Waves 1 ft or less.

Saturday

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 1pm. Waves 1 ft or less.

Saturday Night

ENE wind 5 to 10 kt becoming SE after midnight. A chance of showers. Waves around 1 ft.

Sunday

SE wind 5 to 10 kt becoming E in the afternoon. 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.