For More Weather Information:

17NM ENE Chicago IL

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 2:41 pm CDT Aug 28, 2026
Forecast Valid: 4pm CDT Aug 28, 2026-6pm CDT Sep 4, 2026

This Afternoon

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Tonight

SSE wind around 10 kt becoming SSW after midnight. Partly cloudy. Waves 1 ft or less.

Saturday

SSW wind around 10 kt. Increasing clouds. Waves 1 ft or less.

Saturday Night

S wind 10 to 15 kt. Mostly cloudy. Waves 1 to 2 ft.

Sunday

SSW wind around 15 kt. Partly sunny. Waves around 2 ft.

Sunday Night

SSW wind 10 to 15 kt. Mostly cloudy. Waves around 1 ft.

Monday

SSW wind 10 to 15 kt. Partly sunny. Waves around 1 ft.

Monday Night

SSW wind around 10 kt. Partly cloudy. Waves around 1 ft.

Tuesday

SSW wind 5 to 10 kt. 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.