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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]
    • Sunday

      Sunday:NW wind around 15 kt, with gusts as high as 20 kt. Sunny. Waves 2 to 3 ft.

      High: 47 °F

      NW 15kt
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday Night

      Sunday Night:NW wind 10 to 15 kt. Mostly clear. Waves 1 to 2 ft.

      Low: 35 °F

      NW 15kt
      1-2ft

    • Monday

      Monday:NW wind 5 to 10 kt becoming E in the afternoon. Increasing clouds. Waves around 1 ft.

      High: 47 °F

      NW 10kt
      1ft

    • Monday Night

      Monday Night:SE wind 5 to 15 kt. Rain likely, mainly after midnight.   Waves 1 to 2 ft.

      Low: 41 °F

      SE 15kt
      1-2ft

    • Tuesday

      Tuesday:ESE wind around 15 kt. Rain likely, mainly before noon.   Waves 2 to 3 ft.

      High: 46 °F

      ESE 15kt
      2-3ft

    • Tuesday Night

      Tuesday Night:E wind 10 to 15 kt. A slight chance of rain before midnight.   Waves around 2 ft.

      Low: 43 °F

      E 15kt
      2ft

    • Wednesday

      Wednesday:E wind 5 to 10 kt. Mostly cloudy. Waves 1 to 2 ft.

      High: 49 °F

      E 10kt
      1-2ft

    • Wednesday Night

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

      Low: 44 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:E wind 5 to 10 kt becoming SSE in the morning. Rain likely.   Waves 1 ft or less.

      High: 54 °F

      SE 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: 3:10 am CST Nov 16, 2025
Forecast Valid: 4am CST Nov 16, 2025-6pm CST Nov 22, 2025

View Nearby Observations

Detailed Forecast

Sunday
NW wind around 15 kt, with gusts as high as 20 kt. Sunny. Waves 2 to 3 ft.
Sunday Night
NW wind 10 to 15 kt. Mostly clear. Waves 1 to 2 ft.
Monday
NW wind 5 to 10 kt becoming E in the afternoon. Increasing clouds. Waves around 1 ft.
Monday Night
SE wind 5 to 15 kt. Rain likely, mainly after midnight. Waves 1 to 2 ft.
Tuesday
ESE wind around 15 kt. Rain likely, mainly before noon. Waves 2 to 3 ft.
Tuesday Night
E wind 10 to 15 kt. A slight chance of rain before midnight. Waves around 2 ft.
Wednesday
E wind 5 to 10 kt. Mostly cloudy. Waves 1 to 2 ft.
Wednesday Night
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Thursday
E wind 5 to 10 kt becoming SSE in the morning. Rain likely. 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: 41.85°N 87.59°W
Last Update: 3:10 am CST Nov 16, 2025
Forecast Valid: 4am CST Nov 16, 2025-6pm CST Nov 22, 2025
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