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Chicago, IL Local Forecast Office

5NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 68 °F
NNE 10kt
2ft
Tonight
Low: 67 °F
NNE 10kt
1-2ft
Thursday
High: 73 °F
NNE 10kt
< 1ft
Thursday Night
Low: 68 °F
NNE 10kt
1ft
Friday
High: 73 °F
E 10kt
2ft
Friday Night
Low: 70 °F
E 15kt
2-3ft
Saturday
High: 78 °F
SE 15kt
1-2ft
Saturday Night
Low: 66 °F
NNE 15kt
4ft
Sunday
High: 72 °F
NE 20kt
4-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:31 am CDT Sep 16, 2026
Forecast Valid: 11am CDT Sep 16, 2026-6pm CDT Sep 22, 2026

View Nearby Observations

Detailed Forecast

Today

NNE wind 5 to 10 kt. Scattered showers, mainly after 2pm. Waves around 2 ft.

Tonight

NNE wind 5 to 10 kt becoming NW after midnight. Isolated showers, then scattered showers and thunderstorms after 10pm. Waves 1 to 2 ft.

Thursday

W wind 5 to 10 kt becoming NNE in the afternoon. A chance of showers, mainly before 10am. Waves 1 ft or less.

Thursday Night

NNE wind around 10 kt. Mostly cloudy. Waves around 1 ft.

Friday

E wind around 10 kt. A slight chance of showers after 1pm. Waves around 2 ft.

Friday Night

E wind around 15 kt becoming SE after midnight. A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Waves 2 to 3 ft.

Saturday

SE wind 10 to 15 kt becoming SSW in the afternoon. Showers and possibly a thunderstorm. Waves 1 to 2 ft.

Saturday Night

NNW wind 10 to 15 kt becoming NNE in the evening. Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Waves 1 ft building to 4 ft.

Sunday

NE wind 15 to 20 kt. A chance of showers. Waves 4 to 5 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.