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Grand Rapids, MI
 
 
 Point Forecast: 12NM SSW Pentwater MI
 43.59N 86.53W (Elev. 577 ft)
Last Update: 10:04 pm EDT Jul 17, 2018
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  

Date07/18
Hour (EDT)000102030405060708091011121314151617181920212223
Surface Wind (kt)1097776665778101111121312111110976
Wind DirNNENNENENNENENENENENENENNENNNNNNNWNNWNNNNNNENNE
Gust1718
Wave Height (ft) 111111111111111111111111
Wave Period (sec) 5 5 5 5 5 5 5 5 5 5 5 5 5 5 3 2 2 2 2 2 2 2 2 2
Wave Direction (°)320320320320320320320320320320320320320330340340330330330330340340340340

Date07/19
Hour (EDT)000102030405060708091011121314151617181920212223
Surface Wind (kt)55555554445689109865446810
Wind DirNNENENEENEEESEESEESEESESESSSSSSWSSWSSWSSWSSSSESSESSESSE
Gust
Wave Height (ft) 111111100011111122222222
Wave Period (sec) 2 2 2 3 3 3 3 3 3 3 1 2 2 2 3 3 3 3 3 4 4 4 4 4
Wave Direction (°)350350350350350350350350350350150160170180180180190190200200200200200200

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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