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Chicago, IL Local Forecast Office

10NM NNW Evanston IL

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NNE wind 15 to 20 kt. A slight chance of showers before 9pm.   Waves 3 to 5 ft.

      Low: 36 °F

      NNE 20kt
      3-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:NE wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers, mainly after 5pm.   Waves 5 to 6 ft. occasionally to 8ft.

      High: 42 °F

      NE 20kt
      5-6ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:ENE wind around 15 kt becoming ESE after midnight. Winds could gust as high as 25 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm.   Waves 4 to 5 ft.

      Low: 40 °FRising Temperatures

      E 15kt
      4-5ft

    • Thursday

      Thursday:SE wind 15 to 25 kt becoming S in the afternoon. Winds could gust as high as 30 kt. Showers and possibly a thunderstorm.   Waves around 4 ft.

      High: 64 °F

      S 25kt
      4ft

    • Thursday Night

      Thursday Night:S wind 10 to 20 kt becoming WSW after midnight. Winds could gust as high as 30 kt. Showers likely and possibly a thunderstorm before 1am.   Waves 4 ft subsiding to 1 ft.

      Low: 46 °FRising Temperatures

      S 20kt
      4ftWaves Subsiding

    • Friday

      Friday:W wind 5 to 10 kt becoming E in the afternoon. A slight chance of showers after 1pm.   Waves 1 ft or less.

      High: 56 °F

      ENE 10kt
      < 1ft

    • Friday Night

      Friday Night:NE wind around 15 kt. Showers and possibly a thunderstorm.   Waves 2 to 4 ft.

      Low: 45 °FRising Temperatures

      NE 15kt
      2-4ft

    • Saturday

      Saturday:SSW wind around 15 kt becoming W in the afternoon. Winds could gust as high as 25 kt. Showers likely, mainly before 1pm.   Waves 1 to 3 ft.

      High: 57 °F

      WSW 15kt
      1-3ft

    • Saturday Night

      Saturday Night:W wind 15 to 20 kt. A chance of showers.   Waves around 2 ft.

      Low: 35 °FRising Temperatures

      W 20kt
      2ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:21 pm CDT Mar 31, 2026
Forecast Valid: 8pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026

View Nearby Observations

Detailed Forecast

Tonight
NNE wind 15 to 20 kt. A slight chance of showers before 9pm. Waves 3 to 5 ft.
Wednesday
NE wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers, mainly after 5pm. Waves 5 to 6 ft. occasionally to 8ft.
Wednesday Night
ENE wind around 15 kt becoming ESE after midnight. Winds could gust as high as 25 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Waves 4 to 5 ft.
Thursday
SE wind 15 to 25 kt becoming S in the afternoon. Winds could gust as high as 30 kt. Showers and possibly a thunderstorm. Waves around 4 ft.
Thursday Night
S wind 10 to 20 kt becoming WSW after midnight. Winds could gust as high as 30 kt. Showers likely and possibly a thunderstorm before 1am. Waves 4 ft subsiding to 1 ft.
Friday
W wind 5 to 10 kt becoming E in the afternoon. A slight chance of showers after 1pm. Waves 1 ft or less.
Friday Night
NE wind around 15 kt. Showers and possibly a thunderstorm. Waves 2 to 4 ft.
Saturday
SSW wind around 15 kt becoming W in the afternoon. Winds could gust as high as 25 kt. Showers likely, mainly before 1pm. Waves 1 to 3 ft.
Saturday Night
W wind 15 to 20 kt. A chance of showers. Waves around 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: 42.21°N 87.74°W
Last Update: 7:21 pm CDT Mar 31, 2026
Forecast Valid: 8pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026
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