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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Overnight
Low: 46 °F
Light Wind
< 1ft
Monday
High: 49 °F
NNE 15kt
1-2ft
Monday Night
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
1-2ft
Wednesday Night
Low: 46 °F
N 10kt
2ft
Thursday
High: 56 °F
N 10kt
1-2ft
Thursday Night
Low: 50 °F
S 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:16 pm CDT May 10, 2026
Forecast Valid: 11pm CDT May 10, 2026-6pm CDT May 17, 2026

View Nearby Observations

Detailed Forecast

Overnight

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

Monday

NNE wind 10 to 15 kt, with gusts as high as 20 kt. Sunny. Waves 1 to 2 ft.

Monday Night

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 1 to 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

E wind 5 to 10 kt becoming S after midnight. Partly 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.