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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 57 °F
S 10kt
< 1ft
Sunday
High: 73 °F
SE 10kt
1-2ft
Sunday Night
Low: 65 °F
S 15kt
3ft
Monday
High: 79 °F
S 20kt
2-3ft
Monday Night
Low: 64 °F
S 20kt
3ft
Tuesday
High: 79 °F
SSW 20kt
3-4ft
Tuesday Night
Low: 50 °F
WSW 15kt
2ft
Wednesday
High: 56 °F
N 15kt
2-3ft
Wednesday Night
Low: 48 °F
NNE 10kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:51 pm CDT May 16, 2026
Forecast Valid: 7pm CDT May 16, 2026-6pm CDT May 23, 2026

View Nearby Observations

Detailed Forecast

Tonight

SE wind 5 to 10 kt becoming SSW after midnight. A slight chance of showers and thunderstorms after 3am. Waves 1 ft or less.

Sunday

SE wind 5 to 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly before 11am. Patchy fog before 11am. Waves 1 to 2 ft.

Sunday Night

S wind around 15 kt. Partly cloudy. Waves around 3 ft.

Monday

S wind 15 to 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Waves 2 to 3 ft.

Monday Night

S wind 15 to 20 kt. A chance of showers and thunderstorms. Waves around 3 ft.

Tuesday

SSW wind around 20 kt. A slight chance of showers, then showers and possibly a thunderstorm after 1pm. Waves 3 to 4 ft.

Tuesday Night

WSW wind around 15 kt becoming NNW after midnight. A chance of showers and thunderstorms before 1am, then a slight chance of showers. Waves around 2 ft.

Wednesday

N wind 10 to 15 kt. Partly sunny. Waves 2 to 3 ft.

Wednesday Night

NNE wind around 10 kt, with gusts as high as 15 kt. Mostly cloudy. Waves 2 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.