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Chicago, IL Local Forecast Office

18NM NW New Buffalo MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:W wind 5 to 10 kt becoming S. Sunny. Waves 1 to 2 ft.

      High: 43 °F

      W 10kt
      1-2ft

    • Tonight

      Tonight:S wind 10 to 20 kt increasing to 25 to 35 kt. Winds could gust as high as 45 kt. Rain likely, mainly between 1am and 2am.   Waves 1 ft building to 10 ft.

      Low: 41 °F

      ⇑S 35kt
      Waves Building10ft

      Storm Warning
      Storm Warning

    • Friday

      Friday:WSW wind 30 to 35 kt becoming WNW in the afternoon. Winds could gust as high as 45 kt. Partly sunny. Waves 10 to 12 ft. occasionally to 16ft.

      High: 46 °F

      W 35kt
      10-12ft

      Storm Warning
      Storm Warning

    • Friday Night

      Friday Night:NW wind 20 to 25 kt decreasing to 10 to 15 kt after midnight. Winds could gust as high as 35 kt. Mostly cloudy. Waves 9 ft subsiding to 4 ft.

      Low: 34 °F

      NW 25kt⇓
      9ftWaves Subsiding

      Storm Warning
      Storm Warning

    • Saturday

      Saturday:N wind 5 to 10 kt becoming ESE in the afternoon. A slight chance of snow after 1pm.   Waves 1 to 3 ft.

      High: 38 °F

      N 10kt
      1-3ft

    • Saturday Night

      Saturday Night:E wind 10 to 20 kt. Rain, possibly mixed with snow, becoming all rain after 4am.   Waves 1 to 3 ft.

      Low: 37 °F

      E 20kt
      1-3ft

    • Sunday

      Sunday:ESE wind around 25 kt becoming S in the afternoon. Winds could gust as high as 35 kt. Rain likely, then rain and possibly a thunderstorm after 1pm.   Waves 4 to 5 ft.

      High: 47 °F

      S 25kt
      4-5ft

    • Sunday Night

      Sunday Night:SW wind 30 to 35 kt becoming NNW 35 to 40 kt after midnight. Rain before 1am, then snow. The snow could be heavy at times.   Waves 7 ft building to 16 ft.

      Low: 25 °F

      ⇑NNW 40kt
      Waves Building16ft

    • Monday

      Monday:WNW wind 35 to 40 kt. Snow.  Widespread freezing spray between 9am and 3pm.  Waves 18 ft subsiding to 12 ft.

      High: 31 °F

      WNW 40kt
      18ftWaves Subsiding


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:27 pm CDT Mar 12, 2026
Forecast Valid: 2pm CDT Mar 12, 2026-6pm CDT Mar 18, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
W wind 5 to 10 kt becoming S. Sunny. Waves 1 to 2 ft.
Tonight
S wind 10 to 20 kt increasing to 25 to 35 kt. Winds could gust as high as 45 kt. Rain likely, mainly between 1am and 2am. Waves 1 ft building to 10 ft.
Friday
WSW wind 30 to 35 kt becoming WNW in the afternoon. Winds could gust as high as 45 kt. Partly sunny. Waves 10 to 12 ft. occasionally to 16ft.
Friday Night
NW wind 20 to 25 kt decreasing to 10 to 15 kt after midnight. Winds could gust as high as 35 kt. Mostly cloudy. Waves 9 ft subsiding to 4 ft.
Saturday
N wind 5 to 10 kt becoming ESE in the afternoon. A slight chance of snow after 1pm. Waves 1 to 3 ft.
Saturday Night
E wind 10 to 20 kt. Rain, possibly mixed with snow, becoming all rain after 4am. Waves 1 to 3 ft.
Sunday
ESE wind around 25 kt becoming S in the afternoon. Winds could gust as high as 35 kt. Rain likely, then rain and possibly a thunderstorm after 1pm. Waves 4 to 5 ft.
Sunday Night
SW wind 30 to 35 kt becoming NNW 35 to 40 kt after midnight. Rain before 1am, then snow. The snow could be heavy at times. Waves 7 ft building to 16 ft.
Monday
WNW wind 35 to 40 kt. Snow. Widespread freezing spray between 9am and 3pm. Waves 18 ft subsiding to 12 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: 2:27 pm CDT Mar 12, 2026
Forecast Valid: 2pm CDT Mar 12, 2026-6pm CDT Mar 18, 2026
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