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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 35 °F
NNE 10kt
2-4ft
Tonight
Low: 36 °F
SE 20kt
2-4ft
Sunday
High: 50 °F
SSE 25kt
4-5ft
Sunday Night
Low: 27 °F
WNW 25kt
11ft
Monday
High: 30 °F
WNW 30kt
12-14ft
Monday Night
Low: 17 °F
WNW 30kt
10ft
Tuesday
High: 28 °F
WNW 20kt⇓
6ft
Tuesday Night
Low: 24 °F
⇑S 25kt
4ft
Wednesday
High: 42 °F
S 25kt⇓
5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:34 am CDT Mar 14, 2026
Forecast Valid: 7am CDT Mar 14, 2026-6pm CDT Mar 20, 2026

View Nearby Observations

Detailed Forecast

Today

NNE wind 5 to 10 kt becoming E in the afternoon. Mostly cloudy. Waves 2 to 4 ft.

Tonight

E wind 15 to 20 kt becoming SE after midnight. Winds could gust as high as 25 kt. A chance of rain, mainly between 1am and 4am. Waves 2 to 4 ft.

Sunday

SSE wind 20 to 25 kt. Rain likely, mainly after 1pm. Waves 4 to 5 ft.

Sunday Night

S wind around 25 kt becoming WNW after midnight. Winds could gust as high as 35 kt. Rain before 1am, then snow, possibly mixed with rain. Some thunder is also possible. Waves 5 ft building to 11 ft.

Monday

WNW wind around 30 kt, with gusts as high as 35 kt. Snow, possibly mixed with rain, becoming all snow after 7am. Widespread freezing spray after 9am. Waves 12 to 14 ft. occasionally to 18ft.

Monday Night

WNW wind 25 to 30 kt, with gusts as high as 35 kt. A chance of snow before 1am. Widespread freezing spray. Waves 10 ft subsiding to 7 ft.

Tuesday

WNW wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. Widespread freezing spray before 11am. Partly sunny. Waves 6 ft subsiding to 2 ft.

Tuesday Night

WSW wind 10 to 15 kt becoming S 20 to 25 kt after midnight. A chance of snow. Waves 1 ft building to 4 ft.

Wednesday

S wind 20 to 25 kt decreasing to 10 to 15 kt in the afternoon. Mostly cloudy. Waves 5 ft subsiding to 1 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.