National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:WSW wind 10 to 15 kt becoming N after midnight. Scattered showers and thunderstorms before 1am, then scattered rain between 1am and 3am, then isolated showers after 3am. Waves 1 to 2 ft.

      Low: 46 °F

      WSW 15kt
      1-2ft

    • Tuesday

      Tuesday:NNW wind 5 to 10 kt becoming E in the afternoon. Isolated showers before 9am. Waves 1 ft or less.

      High: 48 °F

      NNW 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

      Low: 45 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:N wind 5 to 10 kt becoming NE in the afternoon. Mostly cloudy. Waves 1 ft or less.

      High: 51 °F

      N 10kt
      < 1ft

    • Wednesday Night

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

      Low: 45 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

      High: 54 °F

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:SSW wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.

      Low: 48 °F

      SSW 10kt
      < 1ft

    • Friday

      Friday:SW wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.

      High: 56 °F

      SW 10kt
      < 1ft

    • Friday Night

      Friday Night:WSW wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 47 °F

      WSW 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: 8:36 pm CDT May 4, 2026
Forecast Valid: 9pm CDT May 4, 2026-6pm CDT May 11, 2026

View Nearby Observations

Detailed Forecast

Tonight
WSW wind 10 to 15 kt becoming N after midnight. Scattered showers and thunderstorms before 1am, then scattered rain between 1am and 3am, then isolated showers after 3am. Waves 1 to 2 ft.
Tuesday
NNW wind 5 to 10 kt becoming E in the afternoon. Isolated showers before 9am. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Wednesday
N wind 5 to 10 kt becoming NE in the afternoon. Mostly cloudy. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Thursday Night
SSW wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.
Friday
SW wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.
Friday Night
WSW wind 5 to 10 kt. Mostly cloudy. 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: 41.91°N 87.32°W
Last Update: 8:36 pm CDT May 4, 2026
Forecast Valid: 9pm CDT May 4, 2026-6pm CDT May 11, 2026
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