Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. 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:W wind 11 to 13 kt. Mostly cloudy. Waves 4 to 5 ft.

      High: 25 °F

      W 13kt
      4-5ft

    • Tonight

      Tonight:S wind 11 to 20 kt. Snow, mainly after 3am.   Waves 2 to 4 ft.

      Low: 25 °FRising Temperatures

      S 20kt
      2-4ft

    • Wednesday

      Wednesday:S wind 12 to 22 kt. Snow likely, mainly before 8am.   Waves 6 ft subsiding to 3 ft.

      High: 40 °F

      S 22kt
      6ftWaves Subsiding

    • Wednesday Night

      Wednesday Night:SSW wind around 11 kt. A chance of showers after 1am.   Waves around 1 ft.

      Low: 38 °F

      SSW 11kt
      1ft

    • Thursday

      Thursday:SSW wind around 9 kt becoming N in the afternoon. A chance of showers before 1pm.   Waves 1 ft or less.

      High: 41 °F

      SSW 9kt
      < 1ft

    • Thursday Night

      Thursday Night:N wind 7 to 9 kt becoming S after midnight. Mostly cloudy. Waves 1 ft or less.

      Low: 38 °F

      N 9kt
      < 1ft

    • Friday

      Friday:SSW wind 9 to 11 kt. Mostly cloudy. Waves around 1 ft.

      High: 44 °F

      SSW 11kt
      1ft

    • Friday Night

      Friday Night:WSW wind 10 to 12 kt becoming E after midnight. Mostly cloudy. Waves 1 to 3 ft.

      Low: 39 °F

      N 12kt
      1-3ft

    • Saturday

      Saturday:SSE wind around 12 kt becoming SSW in the afternoon. Partly sunny. Waves 2 to 3 ft.

      High: 49 °F

      SSE 12kt
      2-3ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:27 pm CDT Mar 17, 2026
Forecast Valid: 2pm CDT Mar 17, 2026-6pm CDT Mar 23, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
W wind 11 to 13 kt. Mostly cloudy. Waves 4 to 5 ft.
Tonight
S wind 11 to 20 kt. Snow, mainly after 3am. Waves 2 to 4 ft.
Wednesday
S wind 12 to 22 kt. Snow likely, mainly before 8am. Waves 6 ft subsiding to 3 ft.
Wednesday Night
SSW wind around 11 kt. A chance of showers after 1am. Waves around 1 ft.
Thursday
SSW wind around 9 kt becoming N in the afternoon. A chance of showers before 1pm. Waves 1 ft or less.
Thursday Night
N wind 7 to 9 kt becoming S after midnight. Mostly cloudy. Waves 1 ft or less.
Friday
SSW wind 9 to 11 kt. Mostly cloudy. Waves around 1 ft.
Friday Night
WSW wind 10 to 12 kt becoming E after midnight. Mostly cloudy. Waves 1 to 3 ft.
Saturday
SSE wind around 12 kt becoming SSW in the afternoon. Partly sunny. Waves 2 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: 2:27 pm CDT Mar 17, 2026
Forecast Valid: 2pm CDT Mar 17, 2026-6pm CDT Mar 23, 2026
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