Hazardous Weather Conditions

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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NE wind 5 to 10 kt. Isolated showers after 2pm.   Waves around 1 ft.

      High: 74 °F

      NE 10kt
      1ft

    • Tonight

      Tonight:NE wind 5 to 10 kt becoming SE after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am.   Waves 1 to 2 ft.

      Low: 74 °F

      NE 10kt
      1-2ft

    • Saturday

      Saturday:SSE wind around 10 kt, with gusts as high as 15 kt. Showers and possibly a thunderstorm.   Waves 1 to 2 ft.

      High: 80 °F

      SSE 10kt
      1-2ft

    • Saturday Night

      Saturday Night:SSW wind 5 to 10 kt becoming W after midnight. A chance of showers and thunderstorms.   Waves 1 ft or less.

      Low: 75 °F

      SSW 10kt
      < 1ft

    • Sunday

      Sunday:WNW wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.   Waves 1 ft or less.

      High: 80 °F

      WNW 10kt
      < 1ft

    • Sunday Night

      Sunday Night:NW wind 5 to 10 kt becoming N after midnight. Partly cloudy. Waves 1 ft or less.

      Low: 71 °F

      N 10kt
      < 1ft

    • Monday

      Monday:NNE wind 5 to 10 kt. Mostly sunny. Waves 1 to 2 ft.

      High: 74 °F

      NNE 10kt
      1-2ft

    • Monday Night

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

      Low: 67 °F

      Light Wind
      < 1ft

    • Tuesday

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

      High: 80 °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: 12:06 pm CDT Aug 14, 2026
Forecast Valid: 1pm CDT Aug 14, 2026-6pm CDT Aug 20, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
NE wind 5 to 10 kt. Isolated showers after 2pm. Waves around 1 ft.
Tonight
NE wind 5 to 10 kt becoming SE after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Waves 1 to 2 ft.
Saturday
SSE wind around 10 kt, with gusts as high as 15 kt. Showers and possibly a thunderstorm. Waves 1 to 2 ft.
Saturday Night
SSW wind 5 to 10 kt becoming W after midnight. A chance of showers and thunderstorms. Waves 1 ft or less.
Sunday
WNW wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Waves 1 ft or less.
Sunday Night
NW wind 5 to 10 kt becoming N after midnight. Partly cloudy. Waves 1 ft or less.
Monday
NNE wind 5 to 10 kt. Mostly sunny. Waves 1 to 2 ft.
Monday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Tuesday
Variable winds 5 kt or less. Winds could gust as high as 10 kt. Sunny. 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: 12:06 pm CDT Aug 14, 2026
Forecast Valid: 1pm CDT Aug 14, 2026-6pm CDT Aug 20, 2026
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