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Grand Rapids, MI
 
 
 Point Forecast: 4NM W Muskegon MI
 43.21N 86.36W (Elev. 577 ft)
Last Update: 1:09 am EDT Aug 18, 2019
Tabular Forecast
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Weather ElementsMarine WeatherProbabilistic Forecasts (Experimental)
Description | Survey
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Wave Hght (ft)-Direction
Wave Period (s)
Freezing Spray
Quantitative Precipitation     info
    0.100.250.501.00
Snowfall     info
    0.1in1in3in6in12in

48-Hour Period Starting:       Forward 2 Days  

Date08/1808/19
Hour (EDT)020304050607080910111213141516171819202122230001
Surface Wind (kt)555578891113151616151413131211101010109
Wind DirSSESSESSSSSSSSSWSWSSWSWSWSWSWSWSWSWSWWWW
Gust1719212326252423201817171616
Wave Height (ft) 111111222333444444443333
Wave Period (sec) 2 2 2 2 3 3 3 4 4 4 4 5 5 6 6 6 6 6 6 6 6 6 6 5
Wave Direction (°)260220190190180190190200200200200200210210210220220220220220220220220220

Date08/20
Hour (EDT)020304050607080910111213141516171819202122230001
Surface Wind (kt)999999987778999998765433
Wind DirWWWNWNWNWNNNNNNNNWNWNWNWNWNNWNNWNNNNNNE
Gust
Wave Height (ft) 333222222211111111111111
Wave Period (sec) 5 5 5 5 4 4 4 4 4 4 4 4 4 4 3 3 3 3 3 3 3 3 3 3
Wave Direction (°)220230230240240250260270270270280280280290290300300310310310310310310310

Radar and Satellite (Click for larger image)
Link to Local Radar Data Link to Satellite Data
Additional Forecasts and Information
International System of UnitsForecast Discussion
Marine Point ForecastHourly Weather Graph
National Marine ForecastsTide Information
Area Forecast MatricesLocal Climatology
Daily Climate (Grand Rapids)Tabular State Forecast
Daily Climate (Lansing)Hazardous Weather Outlook
Daily Climate (Muskegon)7 Day Forecast
Lakes & Rivers (AHPS)Nearshore Forecast
Regional Weather RoundupRegional Temp/Precip Table

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