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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 38 °F
NE 20kt
5-7ft
Tonight
Low: 38 °F
ENE 20kt
4ft
Thursday
High: 59 °F
S 25kt
3-5ft
Thursday Night
Low: 47 °F
SSW 25kt
5ft
Friday
High: 54 °F
WSW 10kt
1-2ft
Friday Night
Low: 47 °F
S 15kt
1-2ft
Saturday
High: 57 °F
S 15kt
2ft
Saturday Night
Low: 37 °F
W 20kt
2-4ft
Sunday
High: 44 °F
WNW 25kt⇓
2-4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:41 am CDT Apr 1, 2026
Forecast Valid: 8am CDT Apr 1, 2026-6pm CDT Apr 7, 2026

View Nearby Observations

Detailed Forecast

Today

NE wind 15 to 20 kt. A chance of showers, mainly before 3pm. Waves 5 to 7 ft. occasionally to 9ft.

Tonight

ENE wind 15 to 20 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Waves around 4 ft.

Thursday

ESE wind 15 to 25 kt becoming S in the afternoon. Showers and possibly a thunderstorm. Waves 3 to 5 ft.

Thursday Night

SSW wind 15 to 25 kt. Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Waves 5 ft subsiding to 2 ft.

Friday

WSW wind 5 to 10 kt becoming ENE in the afternoon. A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Waves 1 to 2 ft.

Friday Night

ENE wind 10 to 15 kt becoming S after midnight. Showers and possibly a thunderstorm. Waves 1 to 2 ft.

Saturday

S wind around 15 kt becoming W in the afternoon. Winds could gust as high as 20 kt. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Waves around 2 ft.

Saturday Night

W wind 15 to 20 kt. A chance of showers. Waves 2 to 4 ft.

Sunday

WNW wind 20 to 25 kt decreasing to 10 to 15 kt in the afternoon. Partly sunny. Waves 2 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.