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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 73 °F
WSW 15kt
1ft

Small Craft Advisory
Tonight
Low: 50 °F
WSW 15kt
< 1ft
Tuesday
High: 50 °F
Light Wind
< 1ft
Tuesday Night
Low: 45 °F
Light Wind
< 1ft
Wednesday
High: 51 °F
Light Wind
< 1ft
Wednesday Night
Low: 44 °F
Light Wind
< 1ft
Thursday
High: 58 °F
Light Wind
< 1ft
Thursday Night
Low: 46 °F
Light Wind
< 1ft
Friday
High: 57 °F
WNW 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: 9:46 am CDT May 4, 2026
Forecast Valid: 12pm CDT May 4, 2026-6pm CDT May 10, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

WSW wind around 15 kt, with gusts as high as 25 kt. Sunny. Waves around 1 ft.

Tonight

WSW wind 10 to 15 kt becoming N after midnight. Winds could gust as high as 20 kt. Showers and thunderstorms likely before 3am, then isolated showers after 5am. Waves 1 ft or less.

Tuesday

Variable winds 5 kt or less. Winds could gust as high as 10 kt. A chance of showers, mainly after 1pm. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. A slight chance of showers before 1am. Waves 1 ft or less.

Wednesday

Variable winds 5 kt or less. Winds could gust as high as 10 kt. Partly sunny. Waves 1 ft or less.

Wednesday Night

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

Thursday

Variable winds 5 kt or less. Winds could gust as high as 10 kt. Partly sunny. Waves 1 ft or less.

Thursday Night

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

Friday

WSW wind 5 to 10 kt becoming N in the afternoon. Partly 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.