Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SE wind 5 to 10 kt becoming SSW after midnight. A slight chance of showers and thunderstorms after 3am.   Waves 1 ft or less.

      Low: 57 °F

      S 10kt
      < 1ft

    • Sunday

      Sunday:SE wind 5 to 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly before 11am.  Patchy fog before 11am.  Waves 1 to 2 ft.

      High: 73 °F

      SE 10kt
      1-2ft

    • Sunday Night

      Sunday Night:S wind around 15 kt. Partly cloudy. Waves around 3 ft.

      Low: 65 °F

      S 15kt
      3ft

    • Monday

      Monday:S wind 15 to 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.   Waves 2 to 3 ft.

      High: 79 °F

      S 20kt
      2-3ft

    • Monday Night

      Monday Night:S wind 15 to 20 kt. A chance of showers and thunderstorms.   Waves around 3 ft.

      Low: 64 °F

      S 20kt
      3ft

    • Tuesday

      Tuesday:SSW wind around 20 kt. A slight chance of showers, then showers and possibly a thunderstorm after 1pm.   Waves 3 to 4 ft.

      High: 79 °F

      SSW 20kt
      3-4ft

    • Tuesday Night

      Tuesday Night:WSW wind around 15 kt becoming NNW after midnight. A chance of showers and thunderstorms before 1am, then a slight chance of showers.   Waves around 2 ft.

      Low: 50 °F

      WSW 15kt
      2ft

    • Wednesday

      Wednesday:N wind 10 to 15 kt. Partly sunny. Waves 2 to 3 ft.

      High: 56 °F

      N 15kt
      2-3ft

    • Wednesday Night

      Wednesday Night:NNE wind around 10 kt, with gusts as high as 15 kt. Mostly cloudy. Waves 2 to 3 ft.

      Low: 48 °F

      NNE 10kt
      2-3ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:51 pm CDT May 16, 2026
Forecast Valid: 7pm CDT May 16, 2026-6pm CDT May 23, 2026

View Nearby Observations

Detailed Forecast

Tonight
SE wind 5 to 10 kt becoming SSW after midnight. A slight chance of showers and thunderstorms after 3am. Waves 1 ft or less.
Sunday
SE wind 5 to 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly before 11am. Patchy fog before 11am. Waves 1 to 2 ft.
Sunday Night
S wind around 15 kt. Partly cloudy. Waves around 3 ft.
Monday
S wind 15 to 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Waves 2 to 3 ft.
Monday Night
S wind 15 to 20 kt. A chance of showers and thunderstorms. Waves around 3 ft.
Tuesday
SSW wind around 20 kt. A slight chance of showers, then showers and possibly a thunderstorm after 1pm. Waves 3 to 4 ft.
Tuesday Night
WSW wind around 15 kt becoming NNW after midnight. A chance of showers and thunderstorms before 1am, then a slight chance of showers. Waves around 2 ft.
Wednesday
N wind 10 to 15 kt. Partly sunny. Waves 2 to 3 ft.
Wednesday Night
NNE wind around 10 kt, with gusts as high as 15 kt. Mostly cloudy. Waves 2 to 3 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: 41.91°N 87.32°W
Last Update: 7:51 pm CDT May 16, 2026
Forecast Valid: 7pm CDT May 16, 2026-6pm CDT May 23, 2026
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