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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Overnight
Low: 81 °F
S 10kt
< 1ft
Wednesday
High: 88 °F
SE 10kt
< 1ft
Wednesday Night
Low: 73 °F
W 10kt
< 1ft
Thursday
High: 79 °F
N 15kt
4ft
Thursday Night
Low: 70 °F
N 15kt
4-5ft
Friday
High: 77 °F
ENE 10kt
1-3ft
Friday Night
Low: 74 °F
Light Wind
< 1ft
Saturday
High: 83 °F
Light Wind
< 1ft
Saturday Night
Low: 75 °F
W 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: 11:24 pm CDT Jul 15, 2025
Forecast Valid: 12am CDT Jul 16, 2025-6pm CDT Jul 22, 2025

View Nearby Observations

Detailed Forecast

Overnight

S wind 5 to 10 kt. Isolated showers. Waves 1 ft or less.

Wednesday

SSW wind 5 to 10 kt becoming SE in the afternoon. A slight chance of showers and thunderstorms after 5pm. Waves 1 ft or less.

Wednesday Night

S wind 5 to 10 kt becoming W after midnight. Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Waves 1 ft or less.

Thursday

NW wind 10 to 15 kt becoming N in the afternoon. A chance of showers and thunderstorms. Waves 1 ft building to 4 ft.

Thursday Night

N wind 10 to 15 kt. A slight chance of showers before 1am. Waves 4 to 5 ft.

Friday

ENE wind 5 to 10 kt. Mostly sunny. Waves 1 to 3 ft.

Friday Night

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

Saturday

Variable winds 5 kt or less. Winds could gust as high as 10 kt. A chance of showers and thunderstorms. Waves 1 ft or less.

Saturday Night

SSE wind 5 to 10 kt becoming NW in the evening. A chance of showers and thunderstorms. 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.