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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • Labor Day

      Labor Day:ENE wind around 10 kt. Sunny. Waves 1 ft or less.

      High: 75 °F

      ENE 10kt
      < 1ft

    • Tonight

      Tonight:E wind 5 to 10 kt becoming SSE after midnight. Partly cloudy. Waves 1 to 2 ft.

      Low: 67 °F

      SE 10kt
      1-2ft

    • Tuesday

      Tuesday:SSE wind 5 to 10 kt becoming E in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 81 °F

      E 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind around 10 kt. A chance of showers and thunderstorms after 4am.   Waves 1 ft or less.

      Low: 73 °F

      SSW 10kt
      < 1ft

    • Wednesday

      Wednesday:WSW wind around 10 kt. Showers and thunderstorms likely, mainly before 1pm.   Waves 1 ft or less.

      High: 80 °F

      WSW 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:W wind around 10 kt becoming NW after midnight. A slight chance of showers before 7pm.   Waves 1 ft or less.

      Low: 67 °F

      WNW 10kt
      < 1ft

    • Thursday

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

      High: 74 °F

      Light Wind
      < 1ft

    • Thursday Night

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

      Low: 65 °F

      Light Wind
      < 1ft

    • Friday

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

      High: 81 °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: 1:20 pm CDT Sep 7, 2026
Forecast Valid: 2pm CDT Sep 7, 2026-6pm CDT Sep 13, 2026

View Nearby Observations

Detailed Forecast

Labor Day
ENE wind around 10 kt. Sunny. Waves 1 ft or less.
Tonight
E wind 5 to 10 kt becoming SSE after midnight. Partly cloudy. Waves 1 to 2 ft.
Tuesday
SSE wind 5 to 10 kt becoming E in the afternoon. Mostly sunny. Waves 1 ft or less.
Tuesday Night
SSW wind around 10 kt. A chance of showers and thunderstorms after 4am. Waves 1 ft or less.
Wednesday
WSW wind around 10 kt. Showers and thunderstorms likely, mainly before 1pm. Waves 1 ft or less.
Wednesday Night
W wind around 10 kt becoming NW after midnight. A slight chance of showers before 7pm. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. Sunny. 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: 1:20 pm CDT Sep 7, 2026
Forecast Valid: 2pm CDT Sep 7, 2026-6pm CDT Sep 13, 2026
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