Hazardous Weather Conditions

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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind 10 to 15 km/h becoming variable and less than 5 km/h. Winds could gust as high as 25 km/h. Mostly clear. Waves 1 m or less.

      Low: 7 °C

      W 15km/h⇓
      < 1m

    • Tuesday

      Tuesday:S wind 10 to 15 km/h becoming S 15 to 20 km/h in the afternoon. Winds could gust as high as 25 km/h. Scattered showers and thunderstorms after 1pm.   Waves 1 m or less.

      High: 21 °C

      ⇑S 20km/h
      < 1m

    • Tuesday Night

      Tuesday Night:SW wind 10 to 15 km/h becoming WSW 5 to 10 km/h after midnight. Winds could gust as high as 25 km/h. Scattered showers and thunderstorms, mainly after 1am.   Waves 1 m or less.

      Low: 10 °C

      SW 15km/h⇓
      < 1m

    • Wednesday

      Wednesday:ESE wind 10 to 15 km/h becoming S in the morning. A slight chance of showers and thunderstorms after 1pm.   Waves 1 m or less.

      High: 14 °C

      ESE 15km/h
      < 1m

    • Wednesday Night

      Wednesday Night:ENE wind around 10 km/h becoming SSE after midnight. A slight chance of showers and thunderstorms before 1am.   Waves 1 m or less.

      Low: 11 °C

      ENE 10km/h
      < 1m

    • Thursday

      Thursday:ESE wind around 15 km/h, with gusts as high as 25 km/h. Mostly sunny. Waves 1 m or less.

      High: 14 °C

      ESE 15km/h
      < 1m

    • Thursday Night

      Thursday Night:E wind around 15 km/h becoming SSE after midnight. Winds could gust as high as 25 km/h. A chance of showers and thunderstorms.   Waves 1 m or less.

      Low: 12 °C

      E 15km/h
      < 1m

    • Friday

      Friday:S wind 15 to 20 km/h becoming N 20 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h. Showers likely and possibly a thunderstorm.   Waves 1 m or less.

      High: 17 °C

      ⇑N 25km/h
      < 1m

    • Friday Night

      Friday Night:N wind around 25 km/h, with gusts as high as 35 km/h. A chance of showers and thunderstorms before 1am.   Waves 1 m or less.

      Low: 7 °C

      N 25km/h
      < 1m


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:27 pm CDT Apr 21, 2025
Forecast Valid: 9pm CDT Apr 21, 2025-6pm CDT Apr 28, 2025

View Nearby Observations

Detailed Forecast

Tonight
W wind 10 to 15 km/h becoming variable and less than 5 km/h. Winds could gust as high as 25 km/h. Mostly clear. Waves 1 m or less.
Tuesday
S wind 10 to 15 km/h becoming S 15 to 20 km/h in the afternoon. Winds could gust as high as 25 km/h. Scattered showers and thunderstorms after 1pm. Waves 1 m or less.
Tuesday Night
SW wind 10 to 15 km/h becoming WSW 5 to 10 km/h after midnight. Winds could gust as high as 25 km/h. Scattered showers and thunderstorms, mainly after 1am. Waves 1 m or less.
Wednesday
ESE wind 10 to 15 km/h becoming S in the morning. A slight chance of showers and thunderstorms after 1pm. Waves 1 m or less.
Wednesday Night
ENE wind around 10 km/h becoming SSE after midnight. A slight chance of showers and thunderstorms before 1am. Waves 1 m or less.
Thursday
ESE wind around 15 km/h, with gusts as high as 25 km/h. Mostly sunny. Waves 1 m or less.
Thursday Night
E wind around 15 km/h becoming SSE after midnight. Winds could gust as high as 25 km/h. A chance of showers and thunderstorms. Waves 1 m or less.
Friday
S wind 15 to 20 km/h becoming N 20 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h. Showers likely and possibly a thunderstorm. Waves 1 m or less.
Friday Night
N wind around 25 km/h, with gusts as high as 35 km/h. A chance of showers and thunderstorms before 1am. Waves 1 m 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: 3:27 pm CDT Apr 21, 2025
Forecast Valid: 9pm CDT Apr 21, 2025-6pm CDT Apr 28, 2025
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