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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 49 °F
NNE 15kt
1-2ft
Tonight
Low: 48 °F
NE 10kt
1ft
Tuesday
High: 70 °F
S 20kt
1-3ft
Tuesday Night
Low: 51 °F
SW 20kt
1-3ft
Wednesday
High: 56 °F
WNW 15kt
2ft
Wednesday Night
Low: 46 °F
N 10kt
2ft
Thursday
High: 56 °F
N 10kt
1-2ft
Thursday Night
Low: 50 °F
S 10kt
< 1ft
Friday
High: 66 °F
S 15kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:36 am CDT May 11, 2026
Forecast Valid: 6am CDT May 11, 2026-6pm CDT May 17, 2026

View Nearby Observations

Detailed Forecast

Today

NNE wind 10 to 15 kt, with gusts as high as 20 kt. Partly sunny, then gradually becoming sunny. Waves 1 to 2 ft.

Tonight

NE wind 5 to 10 kt becoming SE after midnight. Mostly clear. Waves around 1 ft.

Tuesday

S wind 10 to 20 kt. A slight chance of showers between 1pm and 3pm. Waves 1 to 3 ft.

Tuesday Night

SW wind 10 to 20 kt becoming WNW after midnight. A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Waves 1 to 3 ft.

Wednesday

WNW wind 10 to 15 kt becoming N in the afternoon. Mostly sunny. Waves around 2 ft.

Wednesday Night

N wind around 10 kt, with gusts as high as 15 kt. Partly cloudy. Waves around 2 ft.

Thursday

N wind 5 to 10 kt becoming ENE in the afternoon. Sunny. Waves 1 to 2 ft.

Thursday Night

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

Friday

S wind 10 to 15 kt. A chance of showers. Waves 1 to 2 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.