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Grand Rapids, MI
 
 
 Point Forecast: 12NM SSW Pentwater MI
 43.59N 86.53W (Elev. 577 ft)
Last Update: 12:04 am CDT Oct 20, 2017
Tabular Forecast
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Weather ElementsMarine WeatherProbabilistic Forecasts (Experimental)
Description | Survey
Temperature (°F)
Dewpoint (°F)
Wind Chill (°F)

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

Rain
Thunder
Snow
Freezing Rain
Sleet
Freezing Spray
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  

Date10/2010/21
Hour (CDT)010203040506070809101112131415161718192021222300
Surface Wind (kt)111111111112131314151515161515151514141414151515
Wind DirSSSSSSSSSSSSSSSSSSSSSSSS
Gust
Wave Height (ft) 333333333334444444444444
Wave Period (sec) 4 5 5 5 5 4 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6
Wave Direction (°)220220210210210210200210200210210210210210210210210210210210210210210210

Date10/22
Hour (CDT)010203040506070809101112131415161718192021222300
Surface Wind (kt)151515151515151617181818181818181717161718181918
Wind DirSSSSSSSSSSSSSSSSSSSSSSSS
Gust
Wave Height (ft) 444444445555555555444455
Wave Period (sec) 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 6 6 6 7
Wave Direction (°)210210210210210210210210210210210210210210210210210210210210210210210210

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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