For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 63 °F
E 10kt
< 1ft
Thursday
High: 86 °F
SSW 10kt
< 1ft
Thursday Night
Low: 70 °F
SSW 10kt
1ft
Friday
High: 84 °F
SSW 15kt
1ft
Friday Night
Low: 67 °F
SW 15kt
1ft
Saturday
High: 83 °F
SSW 10kt
< 1ft
Saturday Night
Low: 63 °F
Light Wind
< 1ft
Sunday
High: 74 °F
NE 10kt
< 1ft
Sunday Night
Low: 62 °F
NE 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: 5:51 pm CDT Jun 3, 2026
Forecast Valid: 6pm CDT Jun 3, 2026-6pm CDT Jun 10, 2026

View Nearby Observations

Detailed Forecast

Tonight

E wind 5 to 10 kt becoming SSW after midnight. Partly cloudy. Waves 1 ft or less.

Thursday

SSW wind 5 to 10 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Thursday Night

SSW wind around 10 kt, with gusts as high as 15 kt. Partly cloudy. Waves around 1 ft.

Friday

SSW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Waves around 1 ft.

Friday Night

SW wind 10 to 15 kt. Showers and possibly a thunderstorm before 4am, then showers likely. Waves around 1 ft.

Saturday

SSW wind 5 to 10 kt becoming NNE in the afternoon. A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A slight chance of showers before 1am. Waves 1 ft or less.

Sunday

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

Sunday Night

NE wind around 10 kt becoming E 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.