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: 3:11 am CST Dec 12, 2025
Forecast Valid: 4am CST Dec 12, 2025-6pm CST Dec 18, 2025

Friday

W wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.

Friday Night

WSW wind 10 to 15 kt becoming NW after midnight. Winds could gust as high as 20 kt. A slight chance of flurries before 11pm. Waves 1 to 2 ft.

Saturday

WNW wind 10 to 15 kt. Snow likely, mainly after noon. Waves around 1 ft.

Saturday Night

NW wind 15 to 20 kt. Partly cloudy. Waves 1 to 3 ft.

Sunday

WNW wind 10 to 20 kt. Mostly sunny. Waves 1 to 2 ft.

Sunday Night

W wind 10 to 15 kt becoming SSW after midnight. Partly cloudy. Waves around 1 ft.

Monday

SSW wind 15 to 20 kt. Partly sunny. Waves around 1 ft.

Monday Night

WSW wind around 10 kt, with gusts as high as 15 kt. Partly cloudy. Waves 1 ft or less.

Tuesday

SSW wind 10 to 15 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.