Dangerous Heat in the Central U.S. and Northeast; Heavy Rainfall Across the Gulf Coast

A significant heat wave is underway for the Intermountain West, Northern Plains, and Upper Great Lakes, peaking in intensity through Tuesday. This heat is expected to be exceptionally rare and produce numerous high temperature records. Showers and thunderstorms with the potential to produce heavy rainfall and flash flooding is expected across the Gulf Coast. Read More >

For More Weather Information:

Chicago, IL Local Forecast Office

7NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 75 °F
Light Wind
< 1ft
Tuesday
High: 81 °F
Light Wind
< 1ft
Tuesday Night
Low: 76 °F
Light Wind
< 1ft
Wednesday
High: 82 °F
Light Wind
< 1ft
Wednesday Night
Low: 74 °F
Light Wind
< 1ft
Thursday
High: 83 °F
ENE 10kt
< 1ft
Thursday Night
Low: 77 °F
NNE 10kt
< 1ft
Friday
High: 91 °F
SSE 10kt
1ft
Friday Night
Low: 77 °F
SW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:46 pm CDT Jul 13, 2026
Forecast Valid: 5pm CDT Jul 13, 2026-6pm CDT Jul 20, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Winds could gust as high as 10 kt. Mostly clear. Waves 1 ft or less.

Tuesday

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

Tuesday Night

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

Wednesday

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

Wednesday Night

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

Thursday

WNW wind 5 to 10 kt becoming ENE in the afternoon. Sunny. Waves 1 ft or less.

Thursday Night

NNE wind 5 to 10 kt becoming SSW after midnight. Mostly clear. Waves 1 ft or less.

Friday

SSE wind 5 to 10 kt. Sunny. Waves around 1 ft.

Friday Night

SW wind around 10 kt. 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.