Severe Storms Continue Over the Central Mississippi Valley

Severe thunderstorms with damaging winds, large hail and isolated tornadoes will continue over the central and lower Mississippi Valley. Heavy rain with localized flash flooding remains possible over the central Appalachians and lower Mississippi Valley. Heavy snow and cold temperatures continue from the central Plains to the northern Rockies.
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Grand Rapids, MI Local Forecast Office

18NM WSW Grand Haven MI

Marine Point Forecast

[NOTICE]
  • Overnight

    Showers Likely

    NE 16kt
    3-4ft

    Low: 43 °F
    Water: 39 °F

  • Sunday

    Chance Showers

    NNE 15kt
    3-4ft

    High: 48 °F

  • Sunday
    Night

    Chance Showers

    N 12kt
    2-4ft

    Low: 42 °F

  • Monday

    Mostly Sunny

    NNW 12kt
    2ft

    High: 49 °F

  • Monday
    Night

    Partly Cloudy

    WSW 10kt
    1-2ft

    Low: 43 °F

  • Tuesday

    Slight Chc Showers

    SW 15kt
    2-3ft

    High: 54 °F

  • Tuesday
    Night

    Chance Showers

    SW 14kt
    3ft

    Low: 44 °F

  • Wednesday

    Slight Chc Showers

    N 17kt
    3-4ft

    High: 48 °F

  • Wednesday
    Night

    Slight Chc Showers

    N 16kt
    4ft

    Low: 41 °F


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:16 pm CDT Apr 30, 2016
Forecast Valid: 12am CDT May 1, 2016-6pm CDT May 7, 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 30.4 INCHES WILL REMAIN NORTH OF THE
LAKES TONIGHT. MEANWHILE AN AREA OF LOW PRESSURE OF 29.7 INCHES
OVER THE SOUTHERN PLAINS AND MID MISSISSIPPI VALLEY WILL SHIFT
NORTHEAST TONIGHT AND EVENTUALLY ACROSS SOUTHEASTERN ILLINOIS
EARLY SUNDAY WHILE FILLING TO 29.8 INCHES. THE LOW WILL THEN MOVE
ACROSS THE UPPER OHIO VALLEY BY LATE SUNDAY. HIGH PRESSURE OF 30.2
INCHES WILL THEN SETTLE ACROSS THE NORTHERN AND CENTRAL GREAT
LAKES REGION ON MONDAY. THE HIGH PRESSURE RIDGE WILL WEAKEN TO
30.0 INCHES ON TUESDAY WHILE PUSHING SOUTH INTO THE OHIO VALLEY.
LOW PRESSURE OF 29.4 INCHES WILL MOVE SOUTHEAST ACROSS ONTARIO
INTO SOUTHWEST QUEBEC TUESDAY NIGHT...AS A TRAILING COLD FRONT
PUSHES SOUTH ACROSS THE WESTERN LAKES.


Overnight
NE wind around 16 kt. Showers likely, mainly before 3am. Areas of fog. Waves 3 to 4 ft.
Sunday
NNE wind around 15 kt. A chance of showers, mainly before 1pm. Waves 3 to 4 ft.
Sunday Night
N wind 10 to 12 kt. A chance of showers before 1am. Waves 2 to 4 ft.
Monday
N wind 9 to 12 kt becoming NW in the afternoon. Mostly sunny. Waves around 2 ft.
Monday Night
NNW wind 8 to 10 kt becoming WSW after midnight. Partly cloudy. Waves 1 to 2 ft.
Tuesday
SW wind 9 to 15 kt, with gusts as high as 22 kt. A slight chance of showers after 1pm. Waves 2 to 3 ft.
Tuesday Night
SW wind 12 to 14 kt becoming WNW after midnight. Winds could gust as high as 20 kt. A chance of showers. Waves around 3 ft.
Wednesday
N wind 15 to 17 kt, with gusts as high as 24 kt. A slight chance of showers. Waves 3 to 4 ft.
Wednesday Night
N wind around 16 kt, with gusts as high as 23 kt. A slight chance of showers. Waves around 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: 42.94°N 86.62°W
Last Update: 10:16 pm CDT Apr 30, 2016
Forecast Valid: 12am CDT May 1, 2016-6pm CDT May 7, 2016
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