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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds 5 kt or less. Showers and thunderstorms likely, mainly between 11pm and 2am. Some of the storms could be severe.   Waves 1 ft or less.

      Low: 76 °F

      Light Wind
      < 1ft

    • Independence Day

      Independence Day:Variable winds 5 kt or less. Winds could gust as high as 10 kt. Scattered showers and thunderstorms.   Waves 1 ft or less.

      High: 80 °F

      Light Wind
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Scattered showers and thunderstorms.   Waves 1 ft or less.

      Low: 70 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:WNW wind 5 to 10 kt becoming NNW in the afternoon. Scattered showers and thunderstorms.   Waves 1 ft or less.

      High: 82 °F

      NNW 10kt
      < 1ft

    • Sunday Night

      Sunday Night:NNW wind 5 to 10 kt. Isolated showers before 1am.   Waves around 1 ft.

      Low: 69 °F

      NNW 10kt
      1ft

    • Monday

      Monday:NNE wind 5 to 10 kt. Partly sunny. Waves around 1 ft.

      High: 75 °F

      NNE 10kt
      1ft

    • Monday Night

      Monday Night:N wind 5 to 10 kt. Partly cloudy. Waves around 1 ft.

      Low: 67 °F

      N 10kt
      1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Winds could gust as high as 10 kt. Mostly sunny. Waves 1 ft or less.

      High: 81 °F

      Light Wind
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

      Low: 69 °F

      Light Wind
      < 1ft


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 pm CDT Jul 3, 2026
Forecast Valid: 6pm CDT Jul 3, 2026-6pm CDT Jul 10, 2026

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Detailed Forecast

Tonight
Variable winds 5 kt or less. Showers and thunderstorms likely, mainly between 11pm and 2am. Some of the storms could be severe. Waves 1 ft or less.
Independence Day
Variable winds 5 kt or less. Winds could gust as high as 10 kt. Scattered showers and thunderstorms. Waves 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Scattered showers and thunderstorms. Waves 1 ft or less.
Sunday
WNW wind 5 to 10 kt becoming NNW in the afternoon. Scattered showers and thunderstorms. Waves 1 ft or less.
Sunday Night
NNW wind 5 to 10 kt. Isolated showers before 1am. Waves around 1 ft.
Monday
NNE wind 5 to 10 kt. Partly sunny. Waves around 1 ft.
Monday Night
N wind 5 to 10 kt. Partly cloudy. Waves around 1 ft.
Tuesday
Variable winds 5 kt or less. Winds could gust as high as 10 kt. Mostly sunny. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Partly cloudy. 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: 6:41 pm CDT Jul 3, 2026
Forecast Valid: 6pm CDT Jul 3, 2026-6pm CDT Jul 10, 2026
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