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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • This Afternoon

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

      High: 59 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Patchy fog after 10pm.  Waves 1 ft or less.

      Low: 52 °F

      Light Wind
      < 1ft

    • Memorial Day

      Memorial Day:SE wind 5 to 10 kt. Patchy fog before 10am.  Waves 1 ft or less.

      High: 65 °F

      SE 10kt
      < 1ft

    • Monday Night

      Monday Night:SE wind 5 to 10 kt becoming SSW after midnight. Mostly clear. Waves 1 ft or less.

      Low: 60 °F

      SE 10kt
      < 1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Winds could gust as high as 10 kt. Mostly sunny. Waves 1 ft or less.

      High: 73 °F

      Light Wind
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. A slight chance of showers after 1am.   Waves 1 ft or less.

      Low: 64 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:NE wind 5 to 10 kt. A chance of showers, with thunderstorms also possible after 1pm.   Waves 1 ft or less.

      High: 70 °F

      NE 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:NNE wind 5 to 10 kt. Mostly cloudy. Waves around 1 ft.

      Low: 61 °F

      NNE 10kt
      1ft

    • Thursday

      Thursday:NNE wind 10 to 15 kt. Mostly sunny. Waves 1 to 2 ft.

      High: 68 °F

      NNE 15kt
      1-2ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:31 am CDT May 24, 2026
Forecast Valid: 12pm CDT May 24, 2026-6pm CDT May 30, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. Patchy fog after 10pm. Waves 1 ft or less.
Memorial Day
SE wind 5 to 10 kt. Patchy fog before 10am. Waves 1 ft or less.
Monday Night
SE wind 5 to 10 kt becoming SSW after midnight. Mostly clear. Waves 1 ft or less.
Tuesday
Variable winds 5 kt or less. Winds could gust as high as 10 kt. Mostly sunny. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. A slight chance of showers after 1am. Waves 1 ft or less.
Wednesday
NE wind 5 to 10 kt. A chance of showers, with thunderstorms also possible after 1pm. Waves 1 ft or less.
Wednesday Night
NNE wind 5 to 10 kt. Mostly cloudy. Waves around 1 ft.
Thursday
NNE wind 10 to 15 kt. Mostly sunny. Waves 1 to 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: 11:31 am CDT May 24, 2026
Forecast Valid: 12pm CDT May 24, 2026-6pm CDT May 30, 2026
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