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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SSE wind 5 to 10 kt becoming SW in the evening. Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm between midnight and 1am, then a chance of showers and thunderstorms after 1am.   Waves 1 ft or less.

      Low: 72 °F

      SSW 10kt
      < 1ft

    • Saturday

      Saturday:WSW wind around 10 kt, with gusts as high as 15 kt. A chance of showers and thunderstorms.   Waves 1 ft or less.

      High: 84 °F

      WSW 10kt
      < 1ft

    • Saturday Night

      Saturday Night:WSW wind 5 to 10 kt becoming WNW in the evening. Partly cloudy. Waves 1 ft or less.

      Low: 71 °F

      WSW 10kt
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

      High: 82 °F

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

      Low: 71 °F

      Light Wind
      < 1ft

    • Monday

      Monday:Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

      High: 87 °F

      Light Wind
      < 1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

      Low: 74 °F

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:SSE wind 5 to 10 kt. A chance of showers.   Waves 1 ft or less.

      High: 87 °F

      SSE 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:S wind 5 to 10 kt. A chance of showers.   Waves 1 ft or less.

      Low: 74 °F

      S 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: 8:56 pm CDT Jul 11, 2025
Forecast Valid: 9pm CDT Jul 11, 2025-6pm CDT Jul 18, 2025

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Detailed Forecast

Tonight
SSE wind 5 to 10 kt becoming SW in the evening. Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm between midnight and 1am, then a chance of showers and thunderstorms after 1am. Waves 1 ft or less.
Saturday
WSW wind around 10 kt, with gusts as high as 15 kt. A chance of showers and thunderstorms. Waves 1 ft or less.
Saturday Night
WSW wind 5 to 10 kt becoming WNW in the evening. Partly cloudy. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Monday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Monday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Tuesday
SSE wind 5 to 10 kt. A chance of showers. Waves 1 ft or less.
Tuesday Night
S wind 5 to 10 kt. A chance of showers. 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.
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ABOUT THIS FORECAST

Point Forecast: 41.85°N 87.59°W
Last Update: 8:56 pm CDT Jul 11, 2025
Forecast Valid: 9pm CDT Jul 11, 2025-6pm CDT Jul 18, 2025
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