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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 46 °F
SW 15kt
1-2ft
Tuesday
High: 48 °F
NNW 10kt
< 1ft
Tuesday Night
Low: 45 °F
Light Wind
< 1ft
Wednesday
High: 51 °F
N 10kt
< 1ft
Wednesday Night
Low: 45 °F
Light Wind
< 1ft
Thursday
High: 54 °F
Light Wind
< 1ft
Thursday Night
Low: 48 °F
SSW 10kt
< 1ft
Friday
High: 56 °F
SW 10kt
< 1ft
Friday Night
Low: 47 °F
WSW 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: 5:47 pm CDT May 4, 2026
Forecast Valid: 7pm CDT May 4, 2026-6pm CDT May 11, 2026

View Nearby Observations

Detailed Forecast

Tonight

SW wind 10 to 15 kt becoming N after midnight. Winds could gust as high as 25 kt. Scattered showers and thunderstorms before 1am, then scattered rain between 1am and 3am, then isolated showers after 3am. Waves 1 to 2 ft.

Tuesday

NNW wind 5 to 10 kt becoming E in the afternoon. Isolated showers before 9am. Waves 1 ft or less.

Tuesday Night

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

Wednesday

N wind 5 to 10 kt becoming NE in the afternoon. Mostly cloudy. 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. Mostly sunny. Waves 1 ft or less.

Thursday Night

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

Friday

SW wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.

Friday Night

WSW wind 5 to 10 kt. Mostly cloudy. 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.