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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 74 °F
NE 10kt
1ft
Tonight
Low: 74 °F
NE 10kt
1-2ft
Saturday
High: 80 °F
SSE 10kt
1-2ft
Saturday Night
Low: 75 °F
SSW 10kt
< 1ft
Sunday
High: 80 °F
WNW 10kt
< 1ft
Sunday Night
Low: 71 °F
N 10kt
< 1ft
Monday
High: 74 °F
NNE 10kt
1-2ft
Monday Night
Low: 67 °F
Light Wind
< 1ft
Tuesday
High: 80 °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: 12:06 pm CDT Aug 14, 2026
Forecast Valid: 1pm CDT Aug 14, 2026-6pm CDT Aug 20, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NE wind 5 to 10 kt. Isolated showers after 2pm. Waves around 1 ft.

Tonight

NE wind 5 to 10 kt becoming SE after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Waves 1 to 2 ft.

Saturday

SSE wind around 10 kt, with gusts as high as 15 kt. Showers and possibly a thunderstorm. Waves 1 to 2 ft.

Saturday Night

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

Sunday

WNW wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Waves 1 ft or less.

Sunday Night

NW wind 5 to 10 kt becoming N after midnight. Partly cloudy. Waves 1 ft or less.

Monday

NNE wind 5 to 10 kt. Mostly sunny. Waves 1 to 2 ft.

Monday Night

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

Tuesday

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.