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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • Thursday

      Thursday:NE wind 5 to 10 kt becoming SSW in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 42 °F

      SSW 10kt
      < 1ft

    • Thursday Night

      Thursday Night:SW wind around 10 kt. Partly cloudy. Waves 1 ft or less.

      Low: 36 °F

      SW 10kt
      < 1ft

    • Friday

      Friday:SW wind 10 to 15 kt, with gusts as high as 25 kt. Sunny. Waves 1 ft or less.

      High: 60 °F

      SW 15kt
      < 1ft

    • Friday Night

      Friday Night:SW wind 10 to 15 kt becoming NNW after midnight. Winds could gust as high as 20 kt. Partly cloudy. Waves 1 ft or less.

      Low: 32 °F

      SW 15kt
      < 1ft

    • Saturday

      Saturday:NNE wind 10 to 15 kt. A chance of snow after noon.   Waves 1 to 2 ft.

      High: 34 °F

      NNE 15kt
      1-2ft

    • Saturday Night

      Saturday Night:N wind around 15 kt. A slight chance of snow before midnight.   Waves around 3 ft.

      Low: 25 °F

      N 15kt
      3ft

    • Sunday

      Sunday:NE wind 10 to 15 kt. A slight chance of snow after noon.   Waves 2 to 3 ft.

      High: 30 °F

      NE 15kt
      2-3ft

    • Sunday Night

      Sunday Night:ENE wind 10 to 20 kt. A chance of snow.   Waves around 2 ft.

      Low: 25 °F

      ENE 20kt
      2ft

    • Monday

      Monday:E wind 10 to 20 kt. Mostly cloudy. Waves around 2 ft.

      High: 34 °F

      E 20kt
      2ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:41 am CST Feb 26, 2026
Forecast Valid: 2am CST Feb 26, 2026-6pm CST Mar 4, 2026

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Detailed Forecast

Thursday
NE wind 5 to 10 kt becoming SSW in the afternoon. Mostly sunny. Waves 1 ft or less.
Thursday Night
SW wind around 10 kt. Partly cloudy. Waves 1 ft or less.
Friday
SW wind 10 to 15 kt, with gusts as high as 25 kt. Sunny. Waves 1 ft or less.
Friday Night
SW wind 10 to 15 kt becoming NNW after midnight. Winds could gust as high as 20 kt. Partly cloudy. Waves 1 ft or less.
Saturday
NNE wind 10 to 15 kt. A chance of snow after noon. Waves 1 to 2 ft.
Saturday Night
N wind around 15 kt. A slight chance of snow before midnight. Waves around 3 ft.
Sunday
NE wind 10 to 15 kt. A slight chance of snow after noon. Waves 2 to 3 ft.
Sunday Night
ENE wind 10 to 20 kt. A chance of snow. Waves around 2 ft.
Monday
E wind 10 to 20 kt. Mostly cloudy. Waves around 2 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: 41.85°N 87.59°W
Last Update: 1:41 am CST Feb 26, 2026
Forecast Valid: 2am CST Feb 26, 2026-6pm CST Mar 4, 2026
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