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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 62 °F
Light Wind
< 1ft
Wednesday
High: 66 °F
NNE 15kt
1-3ft
Wednesday Night
Low: 58 °F
NNE 20kt
3-4ft
Thursday
High: 61 °F
ESE 15kt
1-3ft
Thursday Night
Low: 50 °F
⇑NW 20kt
1-3ft
Friday
High: 57 °F
NW 25kt
6ft
Friday Night
Low: 45 °F
NNW 25kt⇓
8ft
Saturday
High: 58 °F
Light Wind
4ft
Saturday Night
Low: 48 °F
SSW 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: 7:11 pm CDT Oct 13, 2026
Forecast Valid: 7pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026

View Nearby Observations

Detailed Forecast

Tonight

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

Wednesday

NNE wind 10 to 15 kt. A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 3pm. Waves 1 to 3 ft.

Wednesday Night

NNE wind 15 to 20 kt becoming E after midnight. Mostly cloudy. Waves 3 to 4 ft.

Thursday

ESE wind 10 to 15 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Waves 1 to 3 ft.

Thursday Night

SSE wind 10 to 15 kt becoming NW 15 to 20 kt in the evening. Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Waves 1 to 3 ft.

Friday

NW wind around 25 kt, with gusts as high as 35 kt. A slight chance of showers after 1pm. Waves 3 ft building to 6 ft.

Friday Night

NNW wind 20 to 25 kt decreasing to 10 to 15 kt after midnight. Partly cloudy. Waves 8 ft subsiding to 5 ft.

Saturday

Variable winds 5 kt or less. Winds could gust as high as 10 kt. Sunny. Waves 4 ft subsiding to 1 ft.

Saturday Night

SSW wind around 10 kt. Mostly clear. 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.