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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:NE wind 5 to 10 km/h becoming S. Partly cloudy. Waves 1 m or less.

      Low: 21 °C

      NE 10km/h
      < 1m

    • Tuesday

      Tuesday:S wind 10 to 15 km/h, with gusts as high as 20 km/h. A chance of showers and thunderstorms, mainly after 4pm.   Waves 1 m or less.

      High: 27 °C

      S 15km/h
      < 1m

    • Tuesday Night

      Tuesday Night:SSW wind 10 to 15 km/h becoming WNW after midnight. A chance of showers and thunderstorms.   Waves 1 m or less.

      Low: 23 °C

      SSW 15km/h
      < 1m

    • Wednesday

      Wednesday:WNW wind 10 to 20 km/h becoming NNE in the afternoon. A chance of showers and thunderstorms.   Waves 1 m or less.

      High: 26 °C

      NNE 20km/h
      < 1m

    • Wednesday Night

      Wednesday Night:NNE wind 10 to 15 km/h, with gusts as high as 25 km/h. Mostly clear. Waves 1 m or less.

      Low: 22 °C

      NNE 15km/h
      < 1m

    • Thursday

      Thursday:NE wind 10 to 15 km/h, with gusts as high as 20 km/h. Sunny. Waves 1 m or less.

      High: 25 °C

      NE 15km/h
      < 1m

    • Thursday Night

      Thursday Night:ENE wind 10 to 15 km/h becoming SSE after midnight. Mostly clear. Waves 1 m or less.

      Low: 23 °C

      ENE 15km/h
      < 1m

    • Friday

      Friday:SSE wind 10 to 15 km/h, with gusts as high as 25 km/h. A chance of showers and thunderstorms after 1pm.   Waves 1 m or less.

      High: 29 °C

      SSE 15km/h
      < 1m

    • Friday Night

      Friday Night:SSE wind around 15 km/h becoming SSW after midnight. Winds could gust as high as 25 km/h. A chance of showers and thunderstorms.   Waves 1 m or less.

      Low: 24 °C

      SSE 15km/h
      < 1m


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:41 am CDT Jul 8, 2025
Forecast Valid: 12am CDT Jul 8, 2025-6pm CDT Jul 14, 2025

View Nearby Observations

Detailed Forecast

Overnight
NE wind 5 to 10 km/h becoming S. Partly cloudy. Waves 1 m or less.
Tuesday
S wind 10 to 15 km/h, with gusts as high as 20 km/h. A chance of showers and thunderstorms, mainly after 4pm. Waves 1 m or less.
Tuesday Night
SSW wind 10 to 15 km/h becoming WNW after midnight. A chance of showers and thunderstorms. Waves 1 m or less.
Wednesday
WNW wind 10 to 20 km/h becoming NNE in the afternoon. A chance of showers and thunderstorms. Waves 1 m or less.
Wednesday Night
NNE wind 10 to 15 km/h, with gusts as high as 25 km/h. Mostly clear. Waves 1 m or less.
Thursday
NE wind 10 to 15 km/h, with gusts as high as 20 km/h. Sunny. Waves 1 m or less.
Thursday Night
ENE wind 10 to 15 km/h becoming SSE after midnight. Mostly clear. Waves 1 m or less.
Friday
SSE wind 10 to 15 km/h, with gusts as high as 25 km/h. A chance of showers and thunderstorms after 1pm. Waves 1 m or less.
Friday Night
SSE wind around 15 km/h becoming SSW after midnight. Winds could gust as high as 25 km/h. A chance of showers and thunderstorms. Waves 1 m or less.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 41.85°N 87.59°W
Last Update: 12:41 am CDT Jul 8, 2025
Forecast Valid: 12am CDT Jul 8, 2025-6pm CDT Jul 14, 2025
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