For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 65 °F
Light Wind
1-2ft
Tuesday
High: 76 °F
SE 10kt
< 1ft
Tuesday Night
Low: 69 °F
SSW 10kt
< 1ft
Wednesday
High: 83 °F
SW 10kt
< 1ft
Wednesday Night
Low: 70 °F
WSW 10kt
< 1ft
Thursday
High: 78 °F
Light Wind
< 1ft
Thursday Night
Low: 68 °F
Light Wind
< 1ft
Friday
High: 78 °F
ENE 10kt
< 1ft
Friday Night
Low: 68 °F
ENE 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: 7:36 pm CDT Aug 24, 2026
Forecast Valid: 9pm CDT Aug 24, 2026-6pm CDT Aug 31, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Mostly clear. Waves 1 to 2 ft.

Tuesday

SSW wind 5 to 10 kt becoming ESE in the afternoon. Mostly sunny. Waves 1 ft or less.

Tuesday Night

SSW wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.

Wednesday

SW wind around 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Waves 1 ft or less.

Wednesday Night

WSW wind 5 to 10 kt. Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm. Waves 1 ft or less.

Thursday

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

Thursday Night

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

Friday

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

Friday Night

ENE wind 5 to 10 kt becoming SSE after midnight. 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.