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Chicago, IL Local Forecast Office

18NM NW New Buffalo MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NNW wind 20 to 25 kt decreasing to 15 to 20 kt after midnight. Winds could gust as high as 35 kt. Partly cloudy. Waves 10 ft subsiding to 7 ft.

      Low: 32 °F

      NNW 25kt⇓
      10ftWaves Subsiding

      Gale Warning
      Gale Warning

    • Saturday

      Saturday:N wind 5 to 10 kt becoming E in the afternoon. Cloudy. Waves 5 ft subsiding to 2 ft.

      High: 35 °F

      N 10kt
      5ftWaves Subsiding

    • Saturday Night

      Saturday Night:ESE wind 15 to 20 kt, with gusts as high as 30 kt. A chance of rain, mainly between 1am and 5am.   Waves 2 to 4 ft.

      Low: 36 °FRising Temperatures

      ESE 20kt
      2-4ft

    • Sunday

      Sunday:SE wind 20 to 25 kt becoming S in the afternoon. Winds could gust as high as 30 kt. A slight chance of rain before 7am, then a chance of rain after 1pm.   Waves 5 to 6 ft. occasionally to 8ft.

      High: 49 °F

      SE 25kt
      5-6ft

    • Sunday Night

      Sunday Night:S wind 20 to 30 kt becoming WNW after midnight. Winds could gust as high as 35 kt. Rain before 4am, then snow, possibly mixed with rain. Some thunder is also possible.   Waves 6 ft building to 16 ft.

      Low: 28 °FRising Temperatures

      W 30kt
      Waves Building16ft

    • Monday

      Monday:WNW wind 30 to 35 kt. Snow, possibly mixed with rain, becoming all snow after 7am.  Widespread freezing spray after 11am.  Waves 17 to 19 ft. occasionally to 25ft.

      High: 32 °F

      WNW 35kt
      17-19ft

    • Monday Night

      Monday Night:NW wind 30 to 35 kt. A chance of snow.  Widespread freezing spray after 8pm.  Waves 16 ft subsiding to 13 ft.

      Low: 20 °FRising Temperatures

      NW 35kt
      16ftWaves Subsiding

    • Tuesday

      Tuesday:WNW wind 20 to 25 kt decreasing to 10 to 15 kt in the afternoon. Widespread freezing spray before 2pm. Mostly cloudy. Waves 11 ft subsiding to 4 ft.

      High: 28 °F

      WNW 25kt⇓
      11ftWaves Subsiding

    • Tuesday Night

      Tuesday Night:W wind 15 to 25 kt becoming S after midnight. A chance of snow.   Waves 3 to 5 ft.

      Low: 25 °FRising Temperatures

      S 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: 8:37 pm CDT Mar 13, 2026
Forecast Valid: 9pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026

View Nearby Observations

Detailed Forecast

Tonight
NNW wind 20 to 25 kt decreasing to 15 to 20 kt after midnight. Winds could gust as high as 35 kt. Partly cloudy. Waves 10 ft subsiding to 7 ft.
Saturday
N wind 5 to 10 kt becoming E in the afternoon. Cloudy. Waves 5 ft subsiding to 2 ft.
Saturday Night
ESE wind 15 to 20 kt, with gusts as high as 30 kt. A chance of rain, mainly between 1am and 5am. Waves 2 to 4 ft.
Sunday
SE wind 20 to 25 kt becoming S in the afternoon. Winds could gust as high as 30 kt. A slight chance of rain before 7am, then a chance of rain after 1pm. Waves 5 to 6 ft. occasionally to 8ft.
Sunday Night
S wind 20 to 30 kt becoming WNW after midnight. Winds could gust as high as 35 kt. Rain before 4am, then snow, possibly mixed with rain. Some thunder is also possible. Waves 6 ft building to 16 ft.
Monday
WNW wind 30 to 35 kt. Snow, possibly mixed with rain, becoming all snow after 7am. Widespread freezing spray after 11am. Waves 17 to 19 ft. occasionally to 25ft.
Monday Night
NW wind 30 to 35 kt. A chance of snow. Widespread freezing spray after 8pm. Waves 16 ft subsiding to 13 ft.
Tuesday
WNW wind 20 to 25 kt decreasing to 10 to 15 kt in the afternoon. Widespread freezing spray before 2pm. Mostly cloudy. Waves 11 ft subsiding to 4 ft.
Tuesday Night
W wind 15 to 25 kt becoming S after midnight. A chance of snow. 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: 42.02°N 86.99°W
Last Update: 8:37 pm CDT Mar 13, 2026
Forecast Valid: 9pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
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