Hazardous Weather Conditions

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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:ENE wind 10 to 20 kt becoming ESE after midnight. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10pm.   Waves 2 to 3 ft.

      Low: 41 °FRising Temperatures

      ENE 20kt
      2-3ft

    • Saturday

      Saturday:S wind 15 to 20 kt becoming W in the afternoon. Showers likely, mainly before noon.   Waves 2 to 3 ft.

      High: 51 °F

      W 20kt
      2-3ft

    • Saturday Night

      Saturday Night:W wind 15 to 20 kt. A slight chance of showers between 10pm and 1am.   Waves around 3 ft.

      Low: 39 °F

      W 20kt
      3ft

    • Sunday

      Sunday:WNW wind 15 to 20 kt decreasing to 5 to 10 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Waves 4 ft subsiding to 1 ft.

      High: 47 °F

      WNW 20kt⇓
      4ftWaves Subsiding

    • Sunday Night

      Sunday Night:W wind 5 to 15 kt. A slight chance of showers before 1am.   Waves around 1 ft.

      Low: 41 °F

      W 15kt
      1ft

    • Monday

      Monday:WNW wind 10 to 15 kt. Mostly sunny. Waves 1 to 2 ft.

      High: 46 °F

      WNW 15kt
      1-2ft

    • Monday Night

      Monday Night:N wind 15 to 25 kt. Partly cloudy. Waves 2 ft building to 9 ft.

      Low: 31 °F

      N 25kt
      Waves Building9ft

    • Tuesday

      Tuesday:N wind 15 to 20 kt becoming NE 5 to 10 kt in the afternoon. Mostly sunny. Waves 9 ft subsiding to 4 ft.

      High: 42 °F

      N 20kt⇓
      9ftWaves Subsiding

    • Tuesday Night

      Tuesday Night:E wind 5 to 10 kt becoming SSE 15 to 20 kt after midnight. Mostly cloudy. Waves 2 to 3 ft.

      Low: 36 °F

      ⇑SSE 20kt
      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: 6:27 pm CDT Apr 3, 2026
Forecast Valid: 6pm CDT Apr 3, 2026-6pm CDT Apr 10, 2026

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Detailed Forecast

Tonight
ENE wind 10 to 20 kt becoming ESE after midnight. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10pm. Waves 2 to 3 ft.
Saturday
S wind 15 to 20 kt becoming W in the afternoon. Showers likely, mainly before noon. Waves 2 to 3 ft.
Saturday Night
W wind 15 to 20 kt. A slight chance of showers between 10pm and 1am. Waves around 3 ft.
Sunday
WNW wind 15 to 20 kt decreasing to 5 to 10 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Waves 4 ft subsiding to 1 ft.
Sunday Night
W wind 5 to 15 kt. A slight chance of showers before 1am. Waves around 1 ft.
Monday
WNW wind 10 to 15 kt. Mostly sunny. Waves 1 to 2 ft.
Monday Night
N wind 15 to 25 kt. Partly cloudy. Waves 2 ft building to 9 ft.
Tuesday
N wind 15 to 20 kt becoming NE 5 to 10 kt in the afternoon. Mostly sunny. Waves 9 ft subsiding to 4 ft.
Tuesday Night
E wind 5 to 10 kt becoming SSE 15 to 20 kt after midnight. 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: 6:27 pm CDT Apr 3, 2026
Forecast Valid: 6pm CDT Apr 3, 2026-6pm CDT Apr 10, 2026
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