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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 50 °F
W 15kt
2-3ft
Tonight
Low: 39 °F
W 20kt
3ft
Sunday
High: 47 °F
WNW 20kt⇓
4ft
Sunday Night
Low: 40 °F
W 15kt
1ft
Monday
High: 46 °F
WNW 15kt
1-2ft
Monday Night
Low: 31 °F
N 25kt
7ft
Tuesday
High: 41 °F
N 15kt
6ft
Tuesday Night
Low: 36 °F
⇑SSE 20kt
1-2ft
Wednesday
High: 57 °F
S 20kt
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: 6:12 am CDT Apr 4, 2026
Forecast Valid: 6am CDT Apr 4, 2026-6pm CDT Apr 10, 2026

View Nearby Observations

Detailed Forecast

Today

SSE wind around 15 kt becoming W in the afternoon. Winds could gust as high as 25 kt. Showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Some of the storms could produce heavy rainfall. Waves 2 to 3 ft.

Tonight

W wind 15 to 20 kt, with gusts as high as 25 kt. A slight chance of showers between 9pm and 10pm. Waves around 3 ft.

Sunday

WNW wind 15 to 20 kt decreasing to 5 to 10 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Waves 4 ft subsiding to 1 ft.

Sunday Night

WSW wind 5 to 15 kt becoming WNW after midnight. A chance of showers, mainly before 1am. Waves around 1 ft.

Monday

WNW wind 10 to 15 kt. Mostly sunny. Waves 1 to 2 ft.

Monday Night

N wind 15 to 25 kt. Partly cloudy. Waves 3 ft building to 7 ft.

Tuesday

N wind 5 to 15 kt becoming ENE in the afternoon. Mostly sunny. Waves 6 ft subsiding to 3 ft.

Tuesday Night

E wind 5 to 10 kt becoming SSE 15 to 20 kt after midnight. Mostly cloudy. Waves 1 to 2 ft.

Wednesday

S wind 15 to 20 kt. Mostly cloudy. 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.