Severe thunderstorms and heavy rain possible for portions of the southern and central plains and the lower Great Lakes. Hot conditions in the Northwest.

scattered to numerous showers and thunderstorms are expected across portions of the central and southern plains and across portions of the lower Great Lakes. Some thunderstorms may be severe with damaging winds and large hail. Hot and dry conditions are expected in the Northwest. High temperatures today and Friday will be 10 to 20 degrees above average across western Washington and Oregon.
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Grand Rapids, MI Local Forecast Office

18NM WSW Grand Haven MI

Marine Point Forecast

[NOTICE]
  • Overnight

    Partly Cloudy

    NNW 12kt
    1-2ft

    Low: 71 °F
    Water: 73 °F

  • Friday

    Mostly Sunny

    NW 11kt
    2ft

    High: 75 °F

  • Friday
    Night

    Mostly Cloudy

    E 10kt
    1ft

    Low: 67 °F

  • Saturday

    Chance Thunderstorms

    SSE 15kt
    2-3ft

    High: 73 °F

  • Saturday
    Night

    Thunderstorms Likely

    SSW 14kt
    3ft

    Low: 71 °F

  • Sunday

    Partly Sunny

    W 10kt
    1-2ft

    High: 74 °F

  • Sunday
    Night

    Slight Chc Thunderstorms

    ENE 8kt
    1ft

    Low: 69 °F

  • Monday

    Slight Chc Thunderstorms

    E 8kt
    1ft

    High: 75 °F

  • Monday
    Night

    Slight Chc Thunderstorms

    WSW 7kt
    1ft

    Low: 70 °F


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:16 pm CDT Aug 25, 2016
Forecast Valid: 12am CDT Aug 26, 2016-6pm CDT Sep 1, 2016

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Detailed Forecast

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES WHICH WILL OCCASIONALLY BE ENCOUNTERED.

Synopsis: HIGH PRESSURE OF 30.1 INCHES WILL SPREAD ACROSS THE
WESTERN LAKES REGION THROUGH FRIDAY AFTERNOON AND THEN MOVE
SLOWLY EAST TO NEW ENGLAND SATURDAY. DEVELOPING LOW PRESSURE OF
29.9 INCHES OVER THE UPPER MIDWEST SATURDAY AND SATURDAY NIGHT
WILL TRACK NORTHEAST INTO SUNDAY. HIGH PRESSURE OF 30.2 INCHES
WILL THEN SPREAD ACROSS THE GREAT LAKES EARLY NEXT WEEK.


Overnight
NNW wind 10 to 12 kt. Partly cloudy. Waves 1 to 2 ft.
Friday
NW wind 7 to 11 kt. Mostly sunny. Waves around 2 ft.
Friday Night
NNE wind 5 to 10 kt becoming E after midnight. Mostly cloudy. Waves around 1 ft.
Saturday
ESE wind 12 to 15 kt becoming S in the afternoon. A chance of showers and thunderstorms. Waves 2 to 3 ft.
Saturday Night
S wind 12 to 14 kt becoming WSW after midnight. Showers and thunderstorms likely. Waves around 3 ft.
Sunday
W wind 6 to 10 kt. Partly sunny. Waves 1 to 2 ft.
Sunday Night
N wind 5 to 8 kt becoming E after midnight. A slight chance of showers and thunderstorms. Waves around 1 ft.
Monday
E wind 5 to 8 kt becoming WSW in the afternoon. A slight chance of showers and thunderstorms. Waves around 1 ft.
Monday Night
NW wind 5 to 7 kt becoming SW after midnight. A slight chance of showers and thunderstorms. Waves around 1 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: 42.94°N 86.62°W
Last Update: 11:16 pm CDT Aug 25, 2016
Forecast Valid: 12am CDT Aug 26, 2016-6pm CDT Sep 1, 2016
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