Hazardous Weather Conditions

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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:WSW wind around 10 kt. Increasing clouds. Waves 1 to 2 ft.

      High: 25 °F

      WSW 10kt
      1-2ft

    • Tonight

      Tonight:S wind 10 to 15 kt. Snow, mainly after midnight.   Waves around 1 ft.

      Low: 24 °FRising Temperatures

      S 15kt
      1ft

    • Wednesday

      Wednesday:SSW wind 5 to 15 kt, with gusts as high as 20 kt. Snow likely, mainly before 7am.   Waves 1 to 2 ft.

      High: 40 °F

      SSW 15kt
      1-2ft

    • Wednesday Night

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

      Low: 37 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. A chance of showers before 1pm.   Waves 1 ft or less.

      High: 47 °F

      Light Wind
      < 1ft

    • Thursday Night

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

      Low: 37 °F

      Light Wind
      < 1ft

    • Friday

      Friday:SSW wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.

      High: 53 °F

      SSW 10kt
      < 1ft

    • Friday Night

      Friday Night:W wind around 10 kt becoming NNW in the evening. Mostly cloudy. Waves 1 to 2 ft.

      Low: 40 °F

      NNW 10kt
      1-2ft

    • Saturday

      Saturday:SSW wind around 10 kt. Mostly sunny. Waves 1 to 2 ft.

      High: 58 °F

      SSW 10kt
      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: 11:41 am CDT Mar 17, 2026
Forecast Valid: 12pm CDT Mar 17, 2026-6pm CDT Mar 23, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
WSW wind around 10 kt. Increasing clouds. Waves 1 to 2 ft.
Tonight
S wind 10 to 15 kt. Snow, mainly after midnight. Waves around 1 ft.
Wednesday
SSW wind 5 to 15 kt, with gusts as high as 20 kt. Snow likely, mainly before 7am. Waves 1 to 2 ft.
Wednesday Night
Variable winds 5 kt or less. A chance of showers after 1am. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. A chance of showers before 1pm. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Friday
SSW wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.
Friday Night
W wind around 10 kt becoming NNW in the evening. Mostly cloudy. Waves 1 to 2 ft.
Saturday
SSW wind around 10 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: 11:41 am CDT Mar 17, 2026
Forecast Valid: 12pm CDT Mar 17, 2026-6pm CDT Mar 23, 2026
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