For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 73 °F
Light Wind
< 1ft
Tuesday
High: 84 °F
E 10kt
< 1ft
Tuesday Night
Low: 74 °F
Light Wind
< 1ft
Wednesday
High: 89 °F
S 10kt
< 1ft
Wednesday Night
Low: 72 °F
Light Wind
< 1ft
Thursday
High: 76 °F
N 10kt
< 1ft
Thursday Night
Low: 67 °F
N 10kt
2ft
Friday
High: 76 °F
N 10kt
1-2ft
Friday Night
Low: 69 °F
Light Wind
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:26 pm CDT Jul 14, 2025
Forecast Valid: 5pm CDT Jul 14, 2025-6pm CDT Jul 21, 2025

View Nearby Observations

Detailed Forecast

Tonight

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

Tuesday

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

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Wednesday

S wind 5 to 10 kt. A chance of showers and thunderstorms, mainly after 1pm. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Winds could gust as high as 10 kt. A chance of showers and thunderstorms. Waves 1 ft or less.

Thursday

WNW wind around 10 kt becoming N in the afternoon. Winds could gust as high as 15 kt. A chance of showers and thunderstorms, mainly after 1pm. Waves 1 ft or less.

Thursday Night

N wind around 10 kt, with gusts as high as 15 kt. A chance of showers and thunderstorms before 1am. Waves around 2 ft.

Friday

N wind 5 to 10 kt. Partly sunny. Waves 1 to 2 ft.

Friday Night

Variable winds 5 kt or less. Partly cloudy. Waves around 1 ft.

*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.