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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 41 °F
ENE 20kt
2-3ft
Saturday
High: 51 °F
W 20kt
2-3ft
Saturday Night
Low: 39 °F
W 20kt
3ft
Sunday
High: 47 °F
WNW 20kt⇓
4ft
Sunday Night
Low: 41 °F
W 15kt
1ft
Monday
High: 46 °F
WNW 15kt
1-2ft
Monday Night
Low: 31 °F
N 25kt
9ft
Tuesday
High: 42 °F
N 20kt⇓
9ft
Tuesday Night
Low: 36 °F
⇑SSE 20kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:27 pm CDT Apr 3, 2026
Forecast Valid: 6pm CDT Apr 3, 2026-6pm CDT Apr 10, 2026

View Nearby Observations

Detailed Forecast

Tonight

ENE wind 10 to 20 kt becoming ESE after midnight. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10pm. Waves 2 to 3 ft.

Saturday

S wind 15 to 20 kt becoming W in the afternoon. Showers likely, mainly before noon. Waves 2 to 3 ft.

Saturday Night

W wind 15 to 20 kt. A slight chance of showers between 10pm and 1am. 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

W wind 5 to 15 kt. A slight chance of showers 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 2 ft building to 9 ft.

Tuesday

N wind 15 to 20 kt becoming NE 5 to 10 kt in the afternoon. Mostly sunny. Waves 9 ft subsiding to 4 ft.

Tuesday Night

E wind 5 to 10 kt becoming SSE 15 to 20 kt after midnight. Mostly cloudy. Waves 2 to 3 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.