For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 86 °F
S 10kt
< 1ft
Tonight
Low: 73 °F
Light Wind
< 1ft
Independence Day
High: 82 °F
SE 10kt
< 1ft
Saturday Night
Low: 72 °F
NNE 10kt
< 1ft
Sunday
High: 81 °F
NNW 10kt
< 1ft
Sunday Night
Low: 70 °F
N 10kt
1ft
Monday
High: 76 °F
NNE 10kt
1ft
Monday Night
Low: 68 °F
N 10kt
1ft
Tuesday
High: 82 °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: 3:51 am CDT Jul 3, 2026
Forecast Valid: 7am CDT Jul 3, 2026-6pm CDT Jul 9, 2026

View Nearby Observations

Detailed Forecast

Today

S wind 5 to 10 kt. Showers and thunderstorms likely, mainly after 3pm. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. Showers and thunderstorms likely, mainly between 3am and 4am, then showers likely and possibly a thunderstorm after 4am. Waves 1 ft or less.

Independence Day

W wind 5 to 10 kt becoming E in the afternoon. Showers and thunderstorms likely, mainly after 1pm. Waves 1 ft or less.

Saturday Night

NNE wind 5 to 10 kt becoming SW after midnight. Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Waves 1 ft or less.

Sunday

W wind 5 to 10 kt becoming NNW in the afternoon. A chance of showers and thunderstorms, mainly after 1pm. Waves 1 ft or less.

Sunday Night

N wind 5 to 10 kt. A chance of showers and thunderstorms. Waves around 1 ft.

Monday

NNE wind 5 to 10 kt, with gusts as high as 15 kt. Mostly sunny. Waves around 1 ft.

Monday Night

N wind 5 to 10 kt. Partly cloudy. Waves around 1 ft.

Tuesday

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