Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

For More Weather Information:

Grand Rapids, MI Local Forecast Office

10NM S Grand Haven MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:NE wind 6 to 9 kt. Mostly sunny. Waves 1 ft or less.

      High: 72 °F

      NE 9kt
      < 1ft

    • Tonight

      Tonight:E wind 7 to 11 kt. Showers likely, with thunderstorms also possible after 4am.   Waves 1 ft or less.

      Low: 53 °F

      E 11kt
      < 1ft

    • Saturday

      Saturday:E wind around 12 kt, with gusts as high as 19 kt. Showers and thunderstorms, mainly before noon, then showers and possibly a thunderstorm after 1pm.   Waves 1 ft or less.

      High: 66 °F

      E 12kt
      < 1ft

    • Saturday Night

      Saturday Night:E wind 8 to 10 kt. Showers likely and possibly a thunderstorm.   Waves 1 ft or less.

      Low: 54 °F

      E 10kt
      < 1ft

    • Sunday

      Sunday:ENE wind 10 to 12 kt, with gusts as high as 19 kt. A chance of showers.   Waves 1 ft or less.

      High: 68 °F

      ENE 12kt
      < 1ft

    • Sunday Night

      Sunday Night:ENE wind 10 to 12 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 51 °F

      ENE 12kt
      < 1ft

    • Monday

      Monday:ENE wind around 15 kt, with gusts as high as 24 kt. A chance of showers.   Waves 1 ft or less.

      High: 64 °F

      ENE 15kt
      < 1ft

    • Monday Night

      Monday Night:ENE wind 12 to 17 kt, with gusts as high as 24 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 50 °F

      ENE 17kt
      < 1ft

    • Tuesday

      Tuesday:ENE wind around 15 kt, with gusts as high as 22 kt. A chance of showers.   Waves 1 ft or less.

      High: 63 °F

      ENE 15kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:03 am CDT Sep 18, 2026
Forecast Valid: 9am CDT Sep 18, 2026-6pm CDT Sep 24, 2026

View Nearby Observations

Detailed Forecast

Today
NE wind 6 to 9 kt. Mostly sunny. Waves 1 ft or less.
Tonight
E wind 7 to 11 kt. Showers likely, with thunderstorms also possible after 4am. Waves 1 ft or less.
Saturday
E wind around 12 kt, with gusts as high as 19 kt. Showers and thunderstorms, mainly before noon, then showers and possibly a thunderstorm after 1pm. Waves 1 ft or less.
Saturday Night
E wind 8 to 10 kt. Showers likely and possibly a thunderstorm. Waves 1 ft or less.
Sunday
ENE wind 10 to 12 kt, with gusts as high as 19 kt. A chance of showers. Waves 1 ft or less.
Sunday Night
ENE wind 10 to 12 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 1 ft or less.
Monday
ENE wind around 15 kt, with gusts as high as 24 kt. A chance of showers. Waves 1 ft or less.
Monday Night
ENE wind 12 to 17 kt, with gusts as high as 24 kt. Mostly cloudy. Waves 1 ft or less.
Tuesday
ENE wind around 15 kt, with gusts as high as 22 kt. A chance of showers. Waves 1 ft or less.

*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: 42.88°N 86.21°W
Last Update: 9:03 am CDT Sep 18, 2026
Forecast Valid: 9am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
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