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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 41 °F
E 10kt
2ft
Tonight
Low: 37 °F
ESE 20kt
2-4ft
Sunday
High: 49 °F
SE 25kt
4-5ft
Sunday Night
Low: 25 °F
NW 30kt
11ft
Monday
High: 30 °F
WNW 30kt
12-14ft
Monday Night
Low: 19 °F
WNW 30kt
10ft
Tuesday
High: 29 °F
WNW 20kt⇓
6ft
Tuesday Night
Low: 26 °F
⇑S 20kt
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: 1:47 pm CDT Mar 14, 2026
Forecast Valid: 1pm CDT Mar 14, 2026-6pm CDT Mar 20, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

E wind 5 to 10 kt. Mostly cloudy. Waves around 2 ft.

Tonight

ESE wind 15 to 20 kt. A slight chance of rain between 1am and 5am. Waves 2 to 4 ft.

Sunday

SE wind 20 to 25 kt becoming S in the afternoon. Winds could gust as high as 30 kt. Rain and thunderstorms likely, then rain and possibly a thunderstorm after 3pm. Waves 4 to 5 ft.

Sunday Night

S wind 20 to 30 kt becoming NW after midnight. Rain and snow, becoming all snow after 4am. 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, mainly before 1pm. Widespread freezing spray after 8am. Waves 12 to 14 ft. occasionally to 18ft.

Monday Night

WNW wind 25 to 30 kt. A chance of snow before 1am. Widespread freezing spray. Waves 10 ft subsiding to 7 ft.

Tuesday

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

Tuesday Night

SW wind 10 to 15 kt becoming S 15 to 20 kt after midnight. Snow likely. Waves 1 ft building to 4 ft.

Wednesday

S wind 20 to 25 kt decreasing to 10 to 15 kt in the afternoon. A chance of snow. 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.