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Realtime Great Lakes Weather Data and Marine Observations


GSLM4: NWS GravellyShoalsMI                                  
CMAN Station
Lat: 44.02°, Lon: -83.54°
Elevation: 179 m
Anemometer Height: 25 m
Related Site: NDBC


Current Time: 0600 GMT
Station Types
(Click on name to view all stations for that type)
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Lt Blue MarkerBuoys
Red MarkerCMAN & USCG Stations
Yellow MarkerShip Reports
Green MarkerSurface Airways Stations

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 Enter New DOY (001-366):  Or Today (174)
 (See also Tables for determining DOY for a given date)
View multiple days of data for this station:
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Year (4-digits):   First Day (001-366):   Last Day (001-366):  
Additional Data Archive: NDBC Historical Data

Metadata | Description of Measurements (NDBC)
All 9s in field = missing data
                                       Change Units to English | Metric
                         AIR   DEW WND  WND  WND CLD SOLAR   BAR    WAT  WAV  WAV -------GMT-              TMP   PT  DIR  SPD  GST CVR  RAD    PRES   TMP  HGT  PER YYYYDDDHHMM#ID            F     F  Deg  kts  kts  %   W/m2   inHg    F    ft   s 202517400001GSLM4 29 82.6 999.9 190 5.1 13.0 999 9999.9 29.96 99.9 99.9 99.9 202517400101GSLM4 29 83.8 999.9 200 8.9 12.1 999 9999.9 29.97 99.9 99.9 99.9 202517400201GSLM4 29 83.5 999.9 200 6.0 15.0 999 9999.9 29.97 99.9 99.9 99.9 202517400301GSLM4 29 83.7 999.9 200 13.0 15.0 999 9999.9 29.97 99.9 99.9 99.9 202517400401GSLM4 29 83.7 999.9 200 8.9 15.0 999 9999.9 29.97 99.9 99.9 99.9 202517400501GSLM4 29 83.8 999.9 200 8.9 14.0 999 9999.9 29.97 99.9 99.9 99.9 202517401001GSLM4 29 83.5 999.9 200 14.0 15.0 999 9999.9 29.97 99.9 99.9 99.9 202517401101GSLM4 29 82.9 999.9 200 11.1 15.0 999 9999.9 29.97 99.9 99.9 99.9 202517401201GSLM4 29 83.5 999.9 200 9.9 15.9 999 9999.9 29.97 99.9 99.9 99.9 202517401301GSLM4 29 86.4 999.9 200 14.0 15.0 999 9999.9 29.97 99.9 99.9 99.9 202517401401GSLM4 29 87.1 999.9 210 16.9 16.9 999 9999.9 29.97 99.9 99.9 99.9 202517401501GSLM4 29 86.5 999.9 210 16.9 18.1 999 9999.9 29.97 99.9 99.9 99.9 202517402001GSLM4 29 86.5 999.9 210 15.0 15.9 999 9999.9 29.98 99.9 99.9 99.9 202517402101GSLM4 29 84.0 999.9 200 12.1 15.0 999 9999.9 29.98 99.9 99.9 99.9 202517402201GSLM4 29 82.6 999.9 200 12.1 14.0 999 9999.9 29.99 99.9 99.9 99.9 202517402301GSLM4 29 81.5 999.9 200 13.0 14.0 999 9999.9 29.99 99.9 99.9 99.9 202517402401GSLM4 29 81.1 999.9 200 9.9 14.0 999 9999.9 29.99 99.9 99.9 99.9 202517402501GSLM4 29 82.9 999.9 200 8.0 12.1 999 9999.9 29.99 99.9 99.9 99.9 202517403001GSLM4 29 82.9 999.9 200 7.0 11.1 999 9999.9 30.00 99.9 99.9 99.9 202517403101GSLM4 29 83.7 999.9 200 7.0 9.9 999 9999.9 30.00 99.9 99.9 99.9 202517403201GSLM4 29 83.7 999.9 200 6.0 8.0 999 9999.9 30.00 99.9 99.9 99.9 202517403301GSLM4 29 82.6 999.9 190 5.1 9.9 999 9999.9 29.99 99.9 99.9 99.9 202517403401GSLM4 29 81.9 999.9 200 12.1 14.0 999 9999.9 29.99 99.9 99.9 99.9 202517403501GSLM4 29 81.5 999.9 200 13.0 15.0 999 9999.9 29.99 99.9 99.9 99.9 202517404001GSLM4 29 77.4 999.9 200 9.9 14.0 999 9999.9 29.99 99.9 99.9 99.9 202517404101GSLM4 29 75.4 999.9 200 8.9 12.1 999 9999.9 29.99 99.9 99.9 99.9 202517404201GSLM4 29 75.6 999.9 190 2.9 9.9 999 9999.9 29.99 99.9 99.9 99.9 202517404301GSLM4 29 76.3 999.9 180 2.9 4.1 999 9999.9 29.99 99.9 99.9 99.9 202517404401GSLM4 29 76.5 999.9 180 2.9 4.1 999 9999.9 29.99 99.9 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
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29 matching elements
0.004 sec

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