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Chicago, IL Local Forecast Office

6NM N Gary IN

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:S wind 15 to 20 kt, with gusts as high as 25 kt. Scattered snow showers, mainly between 1am and 4am.   Waves 2 to 3 ft.

      Low: 26 °FRising Temperatures

      S 20kt
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:SW wind 15 to 25 kt. Cloudy. Waves 1 to 3 ft.

      High: 39 °F

      SW 25kt
      1-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:SSW wind 20 to 25 kt becoming WSW 25 to 30 kt after midnight. Rain, mainly before 3am.   Waves 1 ft building to 5 ft.

      Low: 36 °FRising Temperatures

      ⇑WSW 30kt
      Waves Building5ft

    • Wednesday

      Wednesday:W wind 25 to 30 kt becoming NW in the afternoon. Rain before 9am, then snow.   Waves 5 ft building to 8 ft.

      High: 39 °F

      W 30kt
      Waves Building8ft

    • Wednesday Night

      Wednesday Night:WNW wind 15 to 25 kt. A chance of snow, mainly before midnight.   Waves 8 ft subsiding to 3 ft.

      Low: 24 °FRising Temperatures

      WNW 25kt
      8ftWaves Subsiding

    • Thursday

      Thursday:W wind 10 to 15 kt. A chance of snow, mainly after noon.   Waves 1 to 3 ft.

      High: 26 °F

      W 15kt
      1-3ft

    • Thursday Night

      Thursday Night:W wind around 10 kt. A chance of snow.   Waves around 1 ft.

      Low: 21 °FRising Temperatures

      W 10kt
      1ft

    • Friday

      Friday:SW wind 10 to 20 kt becoming W in the afternoon. A chance of snow.   Waves 2 to 3 ft.

      High: 26 °F

      W 20kt
      2-3ft

    • Friday Night

      Friday Night:WNW wind 20 to 25 kt. A chance of snow.  Widespread freezing spray after 9pm.  Waves 3 to 5 ft.

      Low: 11 °FRising Temperatures

      WNW 25kt
      3-5ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:11 am CST Dec 9, 2025
Forecast Valid: 12am CST Dec 9, 2025-6pm CST Dec 15, 2025

View Nearby Observations

Detailed Forecast

Overnight
S wind 15 to 20 kt, with gusts as high as 25 kt. Scattered snow showers, mainly between 1am and 4am. Waves 2 to 3 ft.
Tuesday
SW wind 15 to 25 kt. Cloudy. Waves 1 to 3 ft.
Tuesday Night
SSW wind 20 to 25 kt becoming WSW 25 to 30 kt after midnight. Rain, mainly before 3am. Waves 1 ft building to 5 ft.
Wednesday
W wind 25 to 30 kt becoming NW in the afternoon. Rain before 9am, then snow. Waves 5 ft building to 8 ft.
Wednesday Night
WNW wind 15 to 25 kt. A chance of snow, mainly before midnight. Waves 8 ft subsiding to 3 ft.
Thursday
W wind 10 to 15 kt. A chance of snow, mainly after noon. Waves 1 to 3 ft.
Thursday Night
W wind around 10 kt. A chance of snow. Waves around 1 ft.
Friday
SW wind 10 to 20 kt becoming W in the afternoon. A chance of snow. Waves 2 to 3 ft.
Friday Night
WNW wind 20 to 25 kt. A chance of snow. Widespread freezing spray after 9pm. Waves 3 to 5 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: 41.69°N 87.31°W
Last Update: 12:11 am CST Dec 9, 2025
Forecast Valid: 12am CST Dec 9, 2025-6pm CST Dec 15, 2025
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