Heat Continues Across the Central and Western U.S.; Tracking Hazardous Weather Across the Northern U.S.

Early-season record warmth will persist across portions of the western and central U.S. through mid week, with high temperatures approaching 90 degrees from Texas to the Ohio Valley. Rain and mountain snow are possible across the Pacific Northwest Wednesday, with Severe Thunderstorms and wintry weather expected across the Northeast Thursday and Friday. Read More >

For More Weather Information:

Grand Rapids, MI Local Forecast Office

29NM W South Haven MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:S wind around 8 kt. Mostly cloudy. Waves around 1 ft.

      High: 43 °F

      S 8kt
      1ft

    • Tonight

      Tonight:SE wind 7 to 12 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 40 °F

      SE 12kt
      < 1ft

    • Wednesday

      Wednesday:S wind 12 to 14 kt. Mostly cloudy. Waves 1 to 2 ft.

      High: 49 °F

      S 14kt
      1-2ft

    • Wednesday Night

      Wednesday Night:SSW wind 11 to 13 kt. Mostly cloudy. Waves 1 to 2 ft.

      Low: 44 °F

      SSW 13kt
      1-2ft

    • Thursday

      Thursday:SSW wind 11 to 16 kt becoming N in the afternoon. A chance of rain and thunderstorms between 1pm and 4pm, then a chance of rain after 4pm.   Waves 1 to 2 ft.

      High: 49 °F

      N 16kt
      1-2ft

    • Thursday Night

      Thursday Night:N wind 23 to 26 kt. Mostly cloudy. Waves 5 ft building to 10 ft.

      Low: 31 °F

      N 26kt
      Waves Building10ft

    • Friday

      Friday:N wind 13 to 21 kt. Mostly sunny. Waves 9 ft subsiding to 5 ft.

      High: 35 °F

      N 21kt
      9ftWaves Subsiding

    • Friday Night

      Friday Night:N wind 8 to 16 kt becoming W after midnight. Mostly clear. Waves 2 to 3 ft.

      Low: 33 °F

      W 16kt
      2-3ft

    • Saturday

      Saturday:W wind 10 to 17 kt becoming SSW in the afternoon. Sunny. Waves 1 to 3 ft.

      High: 44 °F

      W 17kt
      1-3ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:32 pm CDT Mar 24, 2026
Forecast Valid: 4pm CDT Mar 24, 2026-6pm CDT Mar 30, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
S wind around 8 kt. Mostly cloudy. Waves around 1 ft.
Tonight
SE wind 7 to 12 kt. Mostly cloudy. Waves 1 ft or less.
Wednesday
S wind 12 to 14 kt. Mostly cloudy. Waves 1 to 2 ft.
Wednesday Night
SSW wind 11 to 13 kt. Mostly cloudy. Waves 1 to 2 ft.
Thursday
SSW wind 11 to 16 kt becoming N in the afternoon. A chance of rain and thunderstorms between 1pm and 4pm, then a chance of rain after 4pm. Waves 1 to 2 ft.
Thursday Night
N wind 23 to 26 kt. Mostly cloudy. Waves 5 ft building to 10 ft.
Friday
N wind 13 to 21 kt. Mostly sunny. Waves 9 ft subsiding to 5 ft.
Friday Night
N wind 8 to 16 kt becoming W after midnight. Mostly clear. Waves 2 to 3 ft.
Saturday
W wind 10 to 17 kt becoming SSW in the afternoon. Sunny. Waves 1 to 3 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: 42.46°N 86.93°W
Last Update: 2:32 pm CDT Mar 24, 2026
Forecast Valid: 4pm CDT Mar 24, 2026-6pm CDT Mar 30, 2026
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