For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:S wind 5 to 10 kt. A chance of showers and thunderstorms, mainly after 4pm.   Waves 1 ft or less.

      High: 81 °F

      S 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms.   Waves 1 ft or less.

      Low: 69 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:WNW wind 5 to 10 kt becoming NNE in the afternoon. A chance of showers and thunderstorms.   Waves 1 ft or less.

      High: 75 °F

      NNE 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:NNE wind 5 to 10 kt. Mostly clear. Waves 1 to 2 ft.

      Low: 73 °F

      NNE 10kt
      1-2ft

    • Thursday

      Thursday:NE wind 5 to 10 kt. Sunny. Waves 1 ft or less.

      High: 77 °F

      NE 10kt
      < 1ft

    • Thursday Night

      Thursday Night:ENE wind 5 to 10 kt becoming SSE after midnight. Mostly clear. Waves 1 ft or less.

      Low: 71 °F

      ENE 10kt
      < 1ft

    • Friday

      Friday:SSE wind 5 to 10 kt. A chance of showers and thunderstorms after 1pm.   Waves 1 ft or less.

      High: 84 °F

      SSE 10kt
      < 1ft

    • Friday Night

      Friday Night:SSE wind around 10 kt becoming SSW after midnight. A chance of showers and thunderstorms.   Waves 1 ft or less.

      Low: 73 °F

      SSE 10kt
      < 1ft

    • Saturday

      Saturday:WSW wind around 10 kt. A chance of showers, with thunderstorms also possible after 1pm.   Waves 1 ft or less.

      High: 88 °F

      WSW 10kt
      < 1ft


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: 1am CDT Jul 8, 2025-6pm CDT Jul 14, 2025

View Nearby Observations

Detailed Forecast

Tuesday
S wind 5 to 10 kt. A chance of showers and thunderstorms, mainly after 4pm. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves 1 ft or less.
Wednesday
WNW wind 5 to 10 kt becoming NNE in the afternoon. A chance of showers and thunderstorms. Waves 1 ft or less.
Wednesday Night
NNE wind 5 to 10 kt. Mostly clear. Waves 1 to 2 ft.
Thursday
NE wind 5 to 10 kt. Sunny. Waves 1 ft or less.
Thursday Night
ENE wind 5 to 10 kt becoming SSE after midnight. Mostly clear. Waves 1 ft or less.
Friday
SSE wind 5 to 10 kt. A chance of showers and thunderstorms after 1pm. Waves 1 ft or less.
Friday Night
SSE wind around 10 kt becoming SSW after midnight. A chance of showers and thunderstorms. Waves 1 ft or less.
Saturday
WSW wind around 10 kt. A chance of showers, with thunderstorms also possible after 1pm. Waves 1 ft 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 41.85°N 87.59°W
Last Update: 12:41 am CDT Jul 8, 2025
Forecast Valid: 1am CDT Jul 8, 2025-6pm CDT Jul 14, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data