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Chicago, IL Local Forecast Office

6NM ESE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 76 °F
NNE 15kt
3ft
Tonight
Low: 70 °F
NNE 10kt
2-3ft
Thursday
High: 78 °F
Light Wind
1ft
Thursday Night
Low: 72 °F
Light Wind
< 1ft
Friday
High: 88 °F
SSE 10kt
< 1ft
Friday Night
Low: 76 °F
SSE 10kt
< 1ft
Saturday
High: 85 °F
WSW 10kt
< 1ft
Saturday Night
Low: 71 °F
W 10kt
< 1ft
Sunday
High: 84 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:42 am CDT Jul 9, 2025
Forecast Valid: 10am CDT Jul 9, 2025-6pm CDT Jul 15, 2025

View Nearby Observations

Detailed Forecast

Today

NW wind 5 to 15 kt becoming NNE in the afternoon. Isolated showers and thunderstorms between 1pm and 4pm. Waves 1 ft or less building to 3 ft.

Tonight

NNE wind around 10 kt. Partly cloudy. Waves 2 to 3 ft.

Thursday

Variable winds 5 kt or less. Mostly sunny. Waves around 1 ft.

Thursday Night

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

Friday

SSE wind 5 to 10 kt. A chance of showers and thunderstorms, mainly after 1pm. Waves 1 ft or less.

Friday Night

SSE wind around 10 kt. A chance of showers and thunderstorms. Waves 1 ft or less.

Saturday

SSW wind around 10 kt becoming W in the afternoon. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Waves 1 ft or less.

Saturday Night

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

Sunday

Variable winds 5 kt or less. Winds could gust as high as 10 kt. 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.