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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Monday
High: 53 °F
SSW 15kt
1ft
Monday Night
Low: 50 °F
S 15kt
1-2ft
Tuesday
High: 52 °F
SSW 20kt
3ft
Tuesday Night
Low: 38 °F
N 20kt
5ft
Wednesday
High: 44 °F
NNE 20kt
6-7ft
Wednesday Night
Low: 40 °F
E 20kt
6-7ft
Thursday
High: 54 °F
E 20kt
6-7ft
Thursday Night
Low: 42 °F
SW 20kt
5ft
Friday
High: 50 °F
NW 15kt
3-4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:21 am CDT Mar 30, 2026
Forecast Valid: 2am CDT Mar 30, 2026-6pm CDT Apr 5, 2026

View Nearby Observations

Detailed Forecast

Monday

SSW wind 10 to 15 kt. Sunny through mid morning, then becoming mostly cloudy. Waves around 1 ft.

Monday Night

S wind 10 to 15 kt, with gusts as high as 20 kt. A slight chance of rain and thunderstorms before 1am, then a chance of rain and thunderstorms after 5am. Waves 1 to 2 ft.

Tuesday

SSW wind 15 to 20 kt. A slight chance of rain and thunderstorms before 10am, then rain and possibly a thunderstorm after 4pm. Waves around 3 ft.

Tuesday Night

N wind 15 to 20 kt. Rain and possibly a thunderstorm before 1am, then a chance of rain. Waves 2 ft building to 5 ft.

Wednesday

NNE wind around 20 kt. A chance of rain, mainly after 1pm. Waves 6 to 7 ft. occasionally to 9ft.

Wednesday Night

E wind around 20 kt. Rain. Waves 6 to 7 ft. occasionally to 9ft.

Thursday

E wind around 20 kt becoming SW in the afternoon. Rain. Waves 6 to 7 ft. occasionally to 9ft.

Thursday Night

SW wind around 20 kt becoming WNW after midnight. Rain. Waves around 5 ft.

Friday

NW wind 10 to 15 kt becoming NNE in the afternoon. A chance of rain. Waves 3 to 4 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.