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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 64 °F
SSW 10kt
< 1ft
Columbus Day
High: 84 °F
SSW 15kt
< 1ft
Monday Night
Low: 71 °F
SW 10kt
1ft
Tuesday
High: 82 °F
WSW 10kt
< 1ft
Tuesday Night
Low: 62 °F
Light Wind
1-2ft
Wednesday
High: 65 °F
NNE 10kt
2-3ft
Wednesday Night
Low: 58 °F
NNE 20kt
3-4ft
Thursday
High: 65 °F
E 20kt
3-4ft
Thursday Night
Low: 54 °F
WNW 15kt
1-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:36 pm CDT Oct 11, 2026
Forecast Valid: 7pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026

View Nearby Observations

Detailed Forecast

Tonight

SSW wind 5 to 10 kt. Increasing clouds. Waves 1 ft or less.

Columbus Day

SSW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Monday Night

SW wind around 10 kt, with gusts as high as 15 kt. Mostly clear. Waves around 1 ft.

Tuesday

WSW wind around 10 kt, with gusts as high as 20 kt. Sunny. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. A chance of showers before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Waves 1 to 2 ft.

Wednesday

NNE wind around 10 kt, with gusts as high as 15 kt. A chance of showers, mainly before 10am. Waves 2 to 3 ft.

Wednesday Night

NNE wind 15 to 20 kt. Mostly cloudy. Waves 3 to 4 ft.

Thursday

E wind 10 to 20 kt. Showers likely. Waves 3 to 4 ft.

Thursday Night

E wind 10 to 15 kt becoming WNW after midnight. A chance of showers. Waves 1 to 3 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.