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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SSW wind 5 to 10 kt. Sunny. Waves around 1 ft.

      High: 47 °F

      SSW 10kt
      1ft

    • Tonight

      Tonight:SSW wind around 10 kt, with gusts as high as 15 kt. Increasing clouds. Waves around 1 ft.

      Low: 41 °F

      SSW 10kt
      1ft

    • Sunday

      Sunday:SSW wind around 10 kt, with gusts as high as 20 kt. Partly sunny. Waves around 1 ft.

      High: 61 °F

      SSW 10kt
      1ft

    • Sunday Night

      Sunday Night:SSW wind around 10 kt, with gusts as high as 15 kt. Partly cloudy. Waves 1 ft or less.

      Low: 50 °F

      SSW 10kt
      < 1ft

    • Monday

      Monday:SSW wind around 10 kt, with gusts as high as 15 kt. Mostly sunny. Waves 1 ft or less.

      High: 72 °F

      SSW 10kt
      < 1ft

    • Monday Night

      Monday Night:SSW wind 10 to 15 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am.   Waves 1 to 2 ft.

      Low: 59 °F

      SSW 15kt
      1-2ft

    • Tuesday

      Tuesday:SSW wind 15 to 20 kt. A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers and possibly a thunderstorm after 1pm.   Waves 1 to 2 ft.

      High: 74 °F

      SSW 20kt
      1-2ft

    • Tuesday Night

      Tuesday Night:WNW wind 15 to 20 kt becoming N after midnight. Showers likely.   Waves 1 ft building to 5 ft.

      Low: 37 °F

      N 20kt
      Waves Building5ft

    • Wednesday

      Wednesday:NNE wind around 20 kt. Mostly cloudy. Waves 6 to 7 ft. occasionally to 9ft.

      High: 40 °F

      NNE 20kt
      6-7ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:21 pm CDT Mar 28, 2026
Forecast Valid: 2pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
SSW wind 5 to 10 kt. Sunny. Waves around 1 ft.
Tonight
SSW wind around 10 kt, with gusts as high as 15 kt. Increasing clouds. Waves around 1 ft.
Sunday
SSW wind around 10 kt, with gusts as high as 20 kt. Partly sunny. Waves around 1 ft.
Sunday Night
SSW wind around 10 kt, with gusts as high as 15 kt. Partly cloudy. Waves 1 ft or less.
Monday
SSW wind around 10 kt, with gusts as high as 15 kt. Mostly sunny. Waves 1 ft or less.
Monday Night
SSW wind 10 to 15 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Waves 1 to 2 ft.
Tuesday
SSW wind 15 to 20 kt. A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. Waves 1 to 2 ft.
Tuesday Night
WNW wind 15 to 20 kt becoming N after midnight. Showers likely. Waves 1 ft building to 5 ft.
Wednesday
NNE wind around 20 kt. Mostly cloudy. Waves 6 to 7 ft. occasionally to 9ft.

*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: 1:21 pm CDT Mar 28, 2026
Forecast Valid: 2pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026
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