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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 69 °F
S 10kt
< 1ft
Tonight
Low: 62 °F
SSW 15kt
1ft
Friday
High: 69 °F
SSW 15kt
1-3ft
Friday Night
Low: 68 °F
WSW 15kt
1-2ft
Saturday
High: 78 °F
WSW 10kt
< 1ft
Saturday Night
Low: 65 °F
Light Wind
< 1ft
Sunday
High: 76 °F
NNE 10kt
< 1ft
Sunday Night
Low: 66 °F
ESE 10kt
1ft
Monday
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: 3:13 pm CDT Jun 4, 2026
Forecast Valid: 4pm CDT Jun 4, 2026-6pm CDT Jun 11, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

S wind around 10 kt. Sunny. Waves 1 ft or less.

Tonight

SSW wind 10 to 15 kt. A slight chance of showers and thunderstorms after 5am. Waves around 1 ft.

Friday

SSW wind around 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Waves 1 to 3 ft.

Friday Night

WSW wind 10 to 15 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Waves 1 to 2 ft.

Saturday

WSW wind 5 to 10 kt becoming NNE in the afternoon. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Waves 1 ft or less.

Sunday

NNE wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.

Sunday Night

NE wind around 10 kt becoming ESE after midnight. Mostly cloudy. Waves around 1 ft.

Monday

ESE wind around 10 kt. A chance of showers and thunderstorms after 1pm. 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.