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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:WNW wind around 10 kt. A chance of snow, mainly between 2am and 3am.   Waves 1 ft or less.

      Low: 22 °F

      WNW 10kt
      < 1ft

    • Tuesday

      Tuesday:N wind 10 to 15 kt. A slight chance of snow, mainly between 3pm and 4pm.   Waves 1 to 3 ft.

      High: 28 °F

      N 15kt
      1-3ft

    • Tuesday Night

      Tuesday Night:N wind 10 to 15 kt becoming W after midnight. A slight chance of snow before 11pm, then a chance of snow after midnight.   Waves 2 to 3 ft.

      Low: 19 °F

      N 15kt
      2-3ft

    • Wednesday

      Wednesday:WNW wind 5 to 10 kt. A slight chance of snow before noon.   Waves 1 to 2 ft.

      High: 26 °F

      WNW 10kt
      1-2ft

    • Wednesday Night

      Wednesday Night:WNW wind around 10 kt. Partly cloudy. Waves 1 ft or less.

      Low: 18 °F

      WNW 10kt
      < 1ft

    • Thursday

      Thursday:SSW wind 10 to 15 kt. Mostly cloudy. Waves 1 ft or less.

      High: 33 °F

      SSW 15kt
      < 1ft

    • Thursday Night

      Thursday Night:SSW wind 15 to 20 kt becoming W after midnight. Winds could gust as high as 25 kt. A slight chance of rain and snow after midnight.   Waves 1 to 2 ft.

      Low: 30 °F

      W 20kt
      1-2ft

    • Friday

      Friday:WNW wind 20 to 25 kt becoming N in the afternoon. Mostly cloudy. Waves 2 ft building to 8 ft.

      High: 37 °F

      NNW 25kt
      Waves Building8ft

    • Friday Night

      Friday Night:N wind 20 to 25 kt, with gusts as high as 30 kt. Widespread freezing spray after 10pm. Mostly cloudy. Waves 7 to 9 ft. occasionally to 12ft.

      Low: 16 °F

      N 25kt
      7-9ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:52 pm CST Feb 2, 2026
Forecast Valid: 11pm CST Feb 2, 2026-6pm CST Feb 9, 2026

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Detailed Forecast

Overnight
WNW wind around 10 kt. A chance of snow, mainly between 2am and 3am. Waves 1 ft or less.
Tuesday
N wind 10 to 15 kt. A slight chance of snow, mainly between 3pm and 4pm. Waves 1 to 3 ft.
Tuesday Night
N wind 10 to 15 kt becoming W after midnight. A slight chance of snow before 11pm, then a chance of snow after midnight. Waves 2 to 3 ft.
Wednesday
WNW wind 5 to 10 kt. A slight chance of snow before noon. Waves 1 to 2 ft.
Wednesday Night
WNW wind around 10 kt. Partly cloudy. Waves 1 ft or less.
Thursday
SSW wind 10 to 15 kt. Mostly cloudy. Waves 1 ft or less.
Thursday Night
SSW wind 15 to 20 kt becoming W after midnight. Winds could gust as high as 25 kt. A slight chance of rain and snow after midnight. Waves 1 to 2 ft.
Friday
WNW wind 20 to 25 kt becoming N in the afternoon. Mostly cloudy. Waves 2 ft building to 8 ft.
Friday Night
N wind 20 to 25 kt, with gusts as high as 30 kt. Widespread freezing spray after 10pm. Mostly cloudy. Waves 7 to 9 ft. occasionally to 12ft.

*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: 41.91°N 87.32°W
Last Update: 10:52 pm CST Feb 2, 2026
Forecast Valid: 11pm CST Feb 2, 2026-6pm CST Feb 9, 2026
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