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Grand Rapids, MI Local Forecast Office

10NM SW South Haven MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSW wind 10 to 14 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms after 4pm.   Waves around 2 ft.

      High: 65 °F

      SSW 14kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:S wind 10 to 15 kt becoming WSW in the evening. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall.  Widespread dense fog, mainly after 5am.  Waves 1 to 2 ft.

      Low: 52 °F

      WSW 15kt
      1-2ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:SSW wind 9 to 14 kt. Showers and possibly a thunderstorm.  Widespread dense fog, mainly before 7am.  Waves 1 to 2 ft.

      High: 62 °F

      SSW 14kt
      1-2ft

    • Wednesday Night

      Wednesday Night:SSW wind around 11 kt. Showers and possibly a thunderstorm before 1am, then showers likely.   Waves around 1 ft.

      Low: 51 °F

      SSW 11kt
      1ft

    • Thursday

      Thursday:WSW wind 10 to 12 kt. Showers likely.   Waves 1 to 2 ft.

      High: 56 °F

      WSW 12kt
      1-2ft

    • Thursday Night

      Thursday Night:W wind around 10 kt becoming NNW in the evening. A chance of showers before 1am.   Waves around 1 ft.

      Low: 46 °F

      W 10kt
      1ft

    • Friday

      Friday:S wind around 7 kt. Partly sunny. Waves 1 ft or less.

      High: 63 °F

      S 7kt
      < 1ft

    • Friday Night

      Friday Night:SE wind 9 to 19 kt, with gusts as high as 25 kt. Showers likely.   Waves 1 to 2 ft.

      Low: 52 °F

      SE 19kt
      1-2ft

    • Saturday

      Saturday:S wind 17 to 21 kt becoming W in the afternoon. Winds could gust as high as 27 kt. Showers and possibly a thunderstorm before 1pm, then a chance of showers.   Waves 2 to 4 ft.

      High: 61 °F

      SSW 21kt
      2-4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:03 am CDT Apr 14, 2026
Forecast Valid: 11am CDT Apr 14, 2026-6pm CDT Apr 20, 2026

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Detailed Forecast

Today
SSW wind 10 to 14 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms after 4pm. Waves around 2 ft.
Tonight
S wind 10 to 15 kt becoming WSW in the evening. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Widespread dense fog, mainly after 5am. Waves 1 to 2 ft.
Wednesday
SSW wind 9 to 14 kt. Showers and possibly a thunderstorm. Widespread dense fog, mainly before 7am. Waves 1 to 2 ft.
Wednesday Night
SSW wind around 11 kt. Showers and possibly a thunderstorm before 1am, then showers likely. Waves around 1 ft.
Thursday
WSW wind 10 to 12 kt. Showers likely. Waves 1 to 2 ft.
Thursday Night
W wind around 10 kt becoming NNW in the evening. A chance of showers before 1am. Waves around 1 ft.
Friday
S wind around 7 kt. Partly sunny. Waves 1 ft or less.
Friday Night
SE wind 9 to 19 kt, with gusts as high as 25 kt. Showers likely. Waves 1 to 2 ft.
Saturday
S wind 17 to 21 kt becoming W in the afternoon. Winds could gust as high as 27 kt. Showers and possibly a thunderstorm before 1pm, then a chance of showers. Waves 2 to 4 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: 42.26°N 86.41°W
Last Update: 11:03 am CDT Apr 14, 2026
Forecast Valid: 11am CDT Apr 14, 2026-6pm CDT Apr 20, 2026
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