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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 76 °F
Light Wind
< 1ft
Tonight
Low: 76 °F
SE 10kt
< 1ft
Friday
High: 86 °F
W 10kt
< 1ft
Friday Night
Low: 77 °F
Light Wind
< 1ft
Saturday
High: 81 °F
NNE 10kt
< 1ft
Saturday Night
Low: 73 °F
NNE 15kt
2ft
Sunday
High: 78 °F
E 10kt
< 1ft
Sunday Night
Low: 72 °F
NE 10kt
1ft
Labor Day
High: 80 °F
ESE 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: 4:01 pm CDT Sep 3, 2026
Forecast Valid: 4pm CDT Sep 3, 2026-6pm CDT Sep 10, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Waves 1 ft or less.

Tonight

ESE wind 5 to 10 kt becoming SSW after midnight. A chance of showers and thunderstorms, mainly after 5am. Waves 1 ft or less.

Friday

W wind 5 to 10 kt becoming ESE in the afternoon. A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 5pm. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 7pm. Waves 1 ft or less.

Saturday

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

Saturday Night

NNE wind 10 to 15 kt becoming E after midnight. Partly cloudy. Waves around 2 ft.

Sunday

E wind 5 to 10 kt becoming NNE in the afternoon. Mostly sunny. Waves 1 ft or less.

Sunday Night

NE wind around 10 kt becoming SE after midnight. Partly cloudy. Waves around 1 ft.

Labor Day

ESE wind 5 to 10 kt becoming ENE in the afternoon. Mostly sunny. Waves 1 ft or less.

*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.