For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Labor Day
High: 75 °F
ENE 10kt
< 1ft
Tonight
Low: 69 °F
ESE 10kt
1-2ft
Tuesday
High: 86 °F
S 10kt
< 1ft
Tuesday Night
Low: 76 °F
S 10kt
< 1ft
Wednesday
High: 83 °F
SW 10kt
< 1ft
Wednesday Night
Low: 69 °F
WSW 10kt
< 1ft
Thursday
High: 75 °F
NNW 10kt
< 1ft
Thursday Night
Low: 65 °F
Light Wind
< 1ft
Friday
High: 81 °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: 9:11 am CDT Sep 7, 2026
Forecast Valid: 10am CDT Sep 7, 2026-6pm CDT Sep 13, 2026

View Nearby Observations

Detailed Forecast

Labor Day

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

Tonight

ENE wind around 10 kt becoming SSE after midnight. Partly cloudy. Waves 1 to 2 ft.

Tuesday

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

Tuesday Night

S wind around 10 kt. A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Waves 1 ft or less.

Wednesday

SW wind around 10 kt, with gusts as high as 15 kt. Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Waves 1 ft or less.

Wednesday Night

WSW wind around 10 kt becoming NNW after midnight. Mostly cloudy. Waves 1 ft or less.

Thursday

NNW wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.

Thursday Night

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

Friday

Variable winds 5 kt or less. Winds could gust as high as 10 kt. 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.