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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:N wind 10 to 15 kt. Scattered showers, mainly before 5pm. Waves around 1 ft.

      High: 47 °F

      N 15kt
      1ft

    • Tonight

      Tonight:N wind 5 to 10 kt. Isolated showers before 7pm. Waves around 1 ft.

      Low: 38 °F

      N 10kt
      1ft

    • Monday

      Monday:Variable winds 5 kt or less. Sunny. Waves around 1 ft.

      High: 50 °F

      Light Wind
      1ft

    • Monday Night

      Monday Night:ESE wind 10 to 15 kt becoming S in the evening. Partly cloudy. Waves 1 to 2 ft.

      Low: 44 °F

      S 15kt
      1-2ft

    • Tuesday

      Tuesday:SW wind 10 to 15 kt. Mostly sunny. Waves 1 to 2 ft.

      High: 62 °F

      SW 15kt
      1-2ft

    • Tuesday Night

      Tuesday Night:WSW wind 5 to 10 kt becoming NNW after midnight. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Waves 1 ft or less.

      Low: 46 °F

      WSW 10kt
      < 1ft

    • Wednesday

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

      High: 57 °F

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:E wind 5 to 10 kt becoming S after midnight. Partly cloudy. Waves 1 ft or less.

      Low: 49 °F

      S 10kt
      < 1ft

    • Thursday

      Thursday:S wind 10 to 15 kt. Mostly sunny. Waves 1 to 2 ft.

      High: 65 °F

      S 15kt
      1-2ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:32 pm CDT Apr 19, 2026
Forecast Valid: 3pm CDT Apr 19, 2026-6pm CDT Apr 25, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
N wind 10 to 15 kt. Scattered showers, mainly before 5pm. Waves around 1 ft.
Tonight
N wind 5 to 10 kt. Isolated showers before 7pm. Waves around 1 ft.
Monday
Variable winds 5 kt or less. Sunny. Waves around 1 ft.
Monday Night
ESE wind 10 to 15 kt becoming S in the evening. Partly cloudy. Waves 1 to 2 ft.
Tuesday
SW wind 10 to 15 kt. Mostly sunny. Waves 1 to 2 ft.
Tuesday Night
WSW wind 5 to 10 kt becoming NNW after midnight. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Wednesday Night
E wind 5 to 10 kt becoming S after midnight. Partly cloudy. Waves 1 ft or less.
Thursday
S wind 10 to 15 kt. Mostly sunny. Waves 1 to 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: 41.91°N 87.32°W
Last Update: 2:32 pm CDT Apr 19, 2026
Forecast Valid: 3pm CDT Apr 19, 2026-6pm CDT Apr 25, 2026
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