Hazardous Weather Conditions

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Chicago, IL Local Forecast Office

6NM SSE Evanston IL

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 3pm. Some of the storms could produce heavy rainfall.  Patchy fog before 9am.  Waves 1 ft or less.

      High: 78 °F

      Light Wind
      < 1ft

    • Wednesday Night

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

      Low: 71 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 1pm.   Waves 1 ft or less.

      High: 76 °F

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:NE wind 5 to 10 kt. Showers likely and possibly a thunderstorm.   Waves 1 to 2 ft.

      Low: 71 °F

      NE 10kt
      1-2ft

    • Friday

      Friday:NE wind around 10 kt. Partly sunny. Waves around 2 ft.

      High: 76 °F

      NE 10kt
      2ft

    • Friday Night

      Friday Night:NNE wind around 10 kt becoming ESE after midnight. A chance of showers and thunderstorms, mainly after 1am.   Waves around 2 ft.

      Low: 70 °F

      NNE 10kt
      2ft

    • Saturday

      Saturday:SE wind around 10 kt. Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm.   Waves 1 to 2 ft.

      High: 81 °F

      SE 10kt
      1-2ft

    • Saturday Night

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

      Low: 70 °F

      SSE 10kt
      < 1ft

    • Sunday

      Sunday:W wind 5 to 10 kt becoming N in the afternoon. A chance of showers and thunderstorms before 1pm.   Waves 1 ft or less.

      High: 80 °F

      NW 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: 1:20 am CDT Aug 12, 2026
Forecast Valid: 1am CDT Aug 12, 2026-6pm CDT Aug 18, 2026

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Detailed Forecast

Wednesday
Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 3pm. Some of the storms could produce heavy rainfall. Patchy fog before 9am. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 1pm. Waves 1 ft or less.
Thursday Night
NE wind 5 to 10 kt. Showers likely and possibly a thunderstorm. Waves 1 to 2 ft.
Friday
NE wind around 10 kt. Partly sunny. Waves around 2 ft.
Friday Night
NNE wind around 10 kt becoming ESE after midnight. A chance of showers and thunderstorms, mainly after 1am. Waves around 2 ft.
Saturday
SE wind around 10 kt. Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Waves 1 to 2 ft.
Saturday Night
SSE wind 5 to 10 kt becoming WSW after midnight. A chance of showers and thunderstorms. Waves 1 ft or less.
Sunday
W wind 5 to 10 kt becoming N in the afternoon. A chance of showers and thunderstorms before 1pm. 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: 41.94°N 87.64°W
Last Update: 1:20 am CDT Aug 12, 2026
Forecast Valid: 1am CDT Aug 12, 2026-6pm CDT Aug 18, 2026
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