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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 60 °F
S 15kt
1ft
Saturday
High: 82 °F
SW 10kt
< 1ft
Saturday Night
Low: 59 °F
Light Wind
< 1ft
Sunday
High: 83 °F
SE 15kt
< 1ft
Sunday Night
Low: 66 °F
S 15kt
1-2ft
Monday
High: 84 °F
S 20kt
1-2ft
Monday Night
Low: 66 °F
S 15kt
1-2ft
Tuesday
High: 78 °F
SSW 20kt
1-2ft
Tuesday Night
Low: 54 °F
WSW 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: 1:45 pm CDT May 15, 2026
Forecast Valid: 7pm CDT May 15, 2026-6pm CDT May 22, 2026

View Nearby Observations

Detailed Forecast

Tonight

S wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms between 2am and 3am, then showers and possibly a thunderstorm after 3am. Waves around 1 ft.

Saturday

SSE wind around 10 kt becoming WSW in the morning. Winds could gust as high as 20 kt. A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 1pm. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A slight chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 1am. Waves 1 ft or less.

Sunday

SE wind 5 to 15 kt, with gusts as high as 25 kt. A slight chance of showers and thunderstorms before 10am. Waves 1 ft or less.

Sunday Night

S wind around 15 kt, with gusts as high as 25 kt. Mostly clear. Waves 1 to 2 ft.

Monday

S wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Waves 1 to 2 ft.

Monday Night

S wind around 15 kt, with gusts as high as 25 kt. Showers likely and possibly a thunderstorm. Waves 1 to 2 ft.

Tuesday

SSW wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Waves 1 to 2 ft.

Tuesday Night

WSW wind 10 to 15 kt becoming NW after midnight. A chance of showers before 1am. 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.