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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 46 °F
ENE 10kt
1ft
Tonight
Low: 46 °F
S 15kt
1ft
Sunday
High: 76 °F
SSW 20kt
1-2ft
Sunday Night
Low: 58 °F
SSW 20kt
1-2ft
Monday
High: 74 °F
SW 15kt
1ft
Monday Night
Low: 62 °F
SSW 15kt
1ft
Tuesday
High: 78 °F
SSW 15kt
1ft
Tuesday Night
Low: 59 °F
SSW 15kt
1ft
Wednesday
High: 73 °F
SSW 15kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:21 pm CDT Apr 11, 2026
Forecast Valid: 1pm CDT Apr 11, 2026-6pm CDT Apr 17, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

ENE wind 5 to 10 kt. Partly sunny. Waves around 1 ft.

Tonight

E wind 10 to 15 kt becoming S after midnight. A chance of showers, with thunderstorms also possible after 1am. Waves around 1 ft.

Sunday

SSW wind 15 to 20 kt, with gusts as high as 30 kt. A chance of showers, with thunderstorms also possible after 4pm. Waves 1 to 2 ft.

Sunday Night

SSW wind 15 to 20 kt. Showers and thunderstorms before 10pm, then showers between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Waves 1 to 2 ft.

Monday

SW wind 10 to 15 kt. A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Waves around 1 ft.

Monday Night

SSW wind 10 to 15 kt. A chance of showers and thunderstorms. Waves around 1 ft.

Tuesday

SSW wind around 15 kt. A chance of showers and thunderstorms, mainly after 1pm. Waves around 1 ft.

Tuesday Night

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

Wednesday

SSW wind 10 to 15 kt. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. 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.