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Chicago, IL Local Forecast Office

7NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SSW wind 10 to 15 kt becoming W after midnight. Winds could gust as high as 25 kt. A chance of snow, mainly between 10pm and 3am.   Waves 1 to 2 ft.

      Low: 29 °F

      SSW 15kt
      1-2ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday

      Saturday:WNW wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.

      High: 30 °F

      WNW 10kt
      < 1ft

    • Saturday Night

      Saturday Night:W wind 5 to 10 kt becoming ESE after midnight. Snow likely after midnight.   Waves 1 ft or less.

      Low: 28 °FRising Temperatures

      S 10kt
      < 1ft

    • Sunday

      Sunday:N wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. Snow likely, mainly before noon.   Waves 1 ft or less building to 5 ft.

      High: 31 °F

      ⇑N 20kt
      Waves Building5ft

    • Sunday Night

      Sunday Night:N wind 10 to 20 kt becoming ENE after midnight. A chance of snow showers.   Waves 4 to 5 ft.

      Low: 26 °FRising Temperatures

      N 20kt
      4-5ft

    • Monday

      Monday:E wind around 10 kt becoming SSW in the afternoon. A slight chance of snow showers before noon.   Waves 4 ft subsiding to 1 ft.

      High: 26 °F

      E 10kt
      4ftWaves Subsiding

    • Monday Night

      Monday Night:SSW wind 10 to 20 kt. A chance of snow, mainly after midnight.   Waves 1 to 2 ft.

      Low: 22 °FRising Temperatures

      SSW 20kt
      1-2ft

    • Tuesday

      Tuesday:SW wind 15 to 20 kt. Mostly cloudy. Waves 1 to 2 ft.

      High: 38 °F

      SW 20kt
      1-2ft

    • Tuesday Night

      Tuesday Night:SSW wind 15 to 25 kt. Rain likely, possibly mixed with snow, becoming all rain after midnight.   Waves 2 to 3 ft.

      Low: 36 °FRising Temperatures

      SSW 25kt
      2-3ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:16 pm CST Dec 5, 2025
Forecast Valid: 7pm CST Dec 5, 2025-6pm CST Dec 12, 2025

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Detailed Forecast

Tonight
SSW wind 10 to 15 kt becoming W after midnight. Winds could gust as high as 25 kt. A chance of snow, mainly between 10pm and 3am. Waves 1 to 2 ft.
Saturday
WNW wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.
Saturday Night
W wind 5 to 10 kt becoming ESE after midnight. Snow likely after midnight. Waves 1 ft or less.
Sunday
N wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. Snow likely, mainly before noon. Waves 1 ft or less building to 5 ft.
Sunday Night
N wind 10 to 20 kt becoming ENE after midnight. A chance of snow showers. Waves 4 to 5 ft.
Monday
E wind around 10 kt becoming SSW in the afternoon. A slight chance of snow showers before noon. Waves 4 ft subsiding to 1 ft.
Monday Night
SSW wind 10 to 20 kt. A chance of snow, mainly after midnight. Waves 1 to 2 ft.
Tuesday
SW wind 15 to 20 kt. Mostly cloudy. Waves 1 to 2 ft.
Tuesday Night
SSW wind 15 to 25 kt. Rain likely, possibly mixed with snow, becoming all rain after midnight. Waves 2 to 3 ft.

*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: 41.9°N 87.56°W
Last Update: 6:16 pm CST Dec 5, 2025
Forecast Valid: 7pm CST Dec 5, 2025-6pm CST Dec 12, 2025
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