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Chicago, IL Local Forecast Office

6NM ESE Chicago IL

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:E wind around 10 kt. Mostly sunny. Waves 1 ft or less.

      High: 85 °F

      E 10kt
      < 1ft

    • Tonight

      Tonight:ESE wind 5 to 10 kt becoming S after midnight. A slight chance of showers between 11pm and 4am.   Waves 1 ft or less.

      Low: 74 °F

      ESE 10kt
      < 1ft

    • Wednesday

      Wednesday:SSW wind 5 to 10 kt becoming SSE in the afternoon. Winds could gust as high as 15 kt. A chance of showers and thunderstorms, mainly after 4pm.   Waves 1 ft or less.

      High: 90 °F

      S 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:W wind around 10 kt, with gusts as high as 15 kt. Showers and thunderstorms likely, mainly between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am.   Waves 1 ft or less.

      Low: 70 °F

      W 10kt
      < 1ft

    • Thursday

      Thursday:WNW wind 10 to 15 kt becoming N in the afternoon. A slight chance of showers and thunderstorms.   Waves 1 ft or less building to 3 ft.

      High: 72 °F

      N 15kt
      Waves Building3ft

    • Thursday Night

      Thursday Night:N wind 10 to 15 kt. Mostly cloudy. Waves 3 to 4 ft.

      Low: 66 °F

      N 15kt
      3-4ft

    • Friday

      Friday:NE wind 5 to 10 kt. Mostly sunny. Waves 1 to 3 ft.

      High: 75 °F

      NE 10kt
      1-3ft

    • Friday Night

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

      Low: 69 °F

      Light Wind
      < 1ft

    • Saturday

      Saturday:S wind 5 to 10 kt. Showers and thunderstorms likely.   Waves 1 ft or less.

      High: 84 °F

      S 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: 2:26 pm CDT Jul 15, 2025
Forecast Valid: 2pm CDT Jul 15, 2025-6pm CDT Jul 21, 2025

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Detailed Forecast

This Afternoon
E wind around 10 kt. Mostly sunny. Waves 1 ft or less.
Tonight
ESE wind 5 to 10 kt becoming S after midnight. A slight chance of showers between 11pm and 4am. Waves 1 ft or less.
Wednesday
SSW wind 5 to 10 kt becoming SSE in the afternoon. Winds could gust as high as 15 kt. A chance of showers and thunderstorms, mainly after 4pm. Waves 1 ft or less.
Wednesday Night
W wind around 10 kt, with gusts as high as 15 kt. Showers and thunderstorms likely, mainly between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Waves 1 ft or less.
Thursday
WNW wind 10 to 15 kt becoming N in the afternoon. A slight chance of showers and thunderstorms. Waves 1 ft or less building to 3 ft.
Thursday Night
N wind 10 to 15 kt. Mostly cloudy. Waves 3 to 4 ft.
Friday
NE wind 5 to 10 kt. Mostly sunny. Waves 1 to 3 ft.
Friday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms after 1am. Waves 1 ft or less.
Saturday
S wind 5 to 10 kt. Showers and thunderstorms likely. 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: 41.81°N 87.56°W
Last Update: 2:26 pm CDT Jul 15, 2025
Forecast Valid: 2pm CDT Jul 15, 2025-6pm CDT Jul 21, 2025
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