Hazardous Weather Conditions

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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SW wind around 10 kt, with gusts as high as 20 kt. Mostly sunny. Waves around 1 ft.

      High: 92 °F

      SW 10kt
      1ft

    • Tonight

      Tonight:SW wind 5 to 10 kt, with gusts as high as 15 kt. Scattered showers and thunderstorms, mainly after 1am.   Waves 1 ft or less.

      Low: 75 °F

      SW 10kt
      < 1ft

    • Friday

      Friday:SW wind 5 to 10 kt. Showers and thunderstorms likely, mainly after 3pm.   Waves 1 ft or less.

      High: 91 °F

      SW 10kt
      < 1ft

    • Friday Night

      Friday Night:WSW wind 5 to 10 kt. Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 4am.   Waves 1 ft or less.

      Low: 71 °F

      WSW 10kt
      < 1ft

    • Independence Day

      Independence Day:Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.   Waves 1 ft or less.

      High: 78 °F

      Light Wind
      < 1ft

    • Saturday Night

      Saturday Night:NNE wind 5 to 10 kt becoming WNW in the evening. Showers likely and possibly a thunderstorm.   Waves 1 ft or less.

      Low: 69 °F

      NNE 10kt
      < 1ft

    • Sunday

      Sunday:N wind 5 to 10 kt. A chance of showers and thunderstorms, mainly after 1pm.   Waves 1 ft or less.

      High: 79 °F

      N 10kt
      < 1ft

    • Sunday Night

      Sunday Night:N wind 5 to 10 kt. Partly cloudy. Waves around 1 ft.

      Low: 69 °F

      N 10kt
      1ft

    • Monday

      Monday:NNE wind around 10 kt, with gusts as high as 15 kt. Partly sunny. Waves around 1 ft.

      High: 79 °F

      NNE 10kt
      1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:17 pm CDT Jul 2, 2026
Forecast Valid: 4pm CDT Jul 2, 2026-6pm CDT Jul 9, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
SW wind around 10 kt, with gusts as high as 20 kt. Mostly sunny. Waves around 1 ft.
Tonight
SW wind 5 to 10 kt, with gusts as high as 15 kt. Scattered showers and thunderstorms, mainly after 1am. Waves 1 ft or less.
Friday
SW wind 5 to 10 kt. Showers and thunderstorms likely, mainly after 3pm. Waves 1 ft or less.
Friday Night
WSW wind 5 to 10 kt. Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 4am. Waves 1 ft or less.
Independence Day
Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Waves 1 ft or less.
Saturday Night
NNE wind 5 to 10 kt becoming WNW in the evening. Showers likely and possibly a thunderstorm. Waves 1 ft or less.
Sunday
N wind 5 to 10 kt. A chance of showers and thunderstorms, mainly after 1pm. Waves 1 ft or less.
Sunday Night
N wind 5 to 10 kt. Partly cloudy. Waves around 1 ft.
Monday
NNE wind around 10 kt, with gusts as high as 15 kt. Partly sunny. Waves around 1 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: 3:17 pm CDT Jul 2, 2026
Forecast Valid: 4pm CDT Jul 2, 2026-6pm CDT Jul 9, 2026
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