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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:W wind around 10 kt becoming N after midnight. Isolated showers after 4am.   Waves 1 ft or less.

      Low: 48 °F

      W 10kt
      < 1ft

    • Tuesday

      Tuesday:N wind 5 to 10 kt becoming E in the afternoon. Isolated showers before 10am.   Waves 1 ft or less.

      High: 50 °F

      N 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

      Low: 45 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:NNW wind 5 to 10 kt becoming NNE in the afternoon. Mostly cloudy. Waves 1 ft or less.

      High: 50 °F

      NNW 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

      Low: 44 °F

      Light Wind
      < 1ft

    • Thursday

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

      High: 58 °F

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

      Low: 48 °F

      Light Wind
      < 1ft

    • Friday

      Friday:WSW wind 5 to 10 kt. A chance of showers.   Waves 1 ft or less.

      High: 63 °F

      WSW 10kt
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

      Low: 46 °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: 9:06 pm CDT May 4, 2026
Forecast Valid: 11pm CDT May 4, 2026-6pm CDT May 11, 2026

View Nearby Observations

Detailed Forecast

Overnight
W wind around 10 kt becoming N after midnight. Isolated showers after 4am. Waves 1 ft or less.
Tuesday
N wind 5 to 10 kt becoming E in the afternoon. Isolated showers before 10am. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Wednesday
NNW wind 5 to 10 kt becoming NNE in the afternoon. Mostly cloudy. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. Winds could gust as high as 10 kt. Mostly sunny. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Friday
WSW wind 5 to 10 kt. A chance of showers. Waves 1 ft or less.
Friday Night
Variable winds 5 kt or less. Partly cloudy. 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: 9:06 pm CDT May 4, 2026
Forecast Valid: 11pm CDT May 4, 2026-6pm CDT May 11, 2026
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