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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 63 °F
SW 10kt
< 1ft
Sunday
High: 70 °F
NNW 15kt
1-2ft
Sunday Night
Low: 58 °F
NW 10kt
< 1ft
Monday
High: 77 °F
W 10kt
< 1ft
Monday Night
Low: 61 °F
SW 10kt
< 1ft
Tuesday
High: 78 °F
SW 15kt
< 1ft
Tuesday Night
Low: 61 °F
SW 10kt
< 1ft
Wednesday
High: 73 °F
S 15kt
< 1ft
Wednesday Night
Low: 65 °F
SSE 20kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:06 pm CDT Jun 13, 2026
Forecast Valid: 5pm CDT Jun 13, 2026-6pm CDT Jun 20, 2026

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Detailed Forecast

Tonight

SW wind 5 to 10 kt becoming N after midnight. Winds could gust as high as 20 kt. A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 2am, then a chance of showers after 2am. Waves 1 ft or less.

Sunday

NNW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers, mainly before 8am. Waves 1 to 2 ft.

Sunday Night

NW wind 5 to 10 kt becoming WSW after midnight. Mostly clear. Waves 1 ft or less.

Monday

W wind 5 to 10 kt. Sunny. Waves 1 ft or less.

Monday Night

SW wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.

Tuesday

SW wind 10 to 15 kt. A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Waves 1 ft or less.

Tuesday Night

SW wind 5 to 10 kt. A slight chance of showers and thunderstorms before 1am. Waves 1 ft or less.

Wednesday

SW wind 5 to 15 kt becoming S in the afternoon. Winds could gust as high as 25 kt. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Waves 1 ft or less.

Wednesday Night

SSE wind 15 to 20 kt becoming WSW after midnight. Winds could gust as high as 25 kt. Showers and possibly a thunderstorm before 1am, then a chance of showers. Waves 1 to 2 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.