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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: 0439 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

  Change Units to: English | Metric
 Enter New DOY (001-366):  Or Today (189)
 (See also Tables for determining DOY for a given date)
View multiple days of data for this station:
Select Year and Day of Year (DOY) range:
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            C     C  Deg  m/s  m/s  %   W/m2    mb     C    m    s 202518900001GSLM4 29 20.9 999.9 150 1.0 2.6 999 9999.9 1017.3 99.9 99.9 99.9 202518900101GSLM4 29 21.6 999.9 0 0.0 1.5 999 9999.9 1017.3 99.9 99.9 99.9 202518900201GSLM4 29 22.0 999.9 0 0.0 1.0 999 9999.9 1017.3 99.9 99.9 99.9 202518900301GSLM4 29 21.2 999.9 0 0.0 1.5 999 9999.9 1017.3 99.9 99.9 99.9 202518900401GSLM4 29 21.2 999.9 180 0.5 2.1 999 9999.9 1017.3 99.9 99.9 99.9 202518900501GSLM4 29 20.8 999.9 210 1.0 2.6 999 9999.9 1017.3 99.9 99.9 99.9 202518901001GSLM4 29 20.6 999.9 210 1.0 2.6 999 9999.9 1017.3 99.9 99.9 99.9 202518901101GSLM4 29 20.4 999.9 210 1.5 3.1 999 9999.9 1017.6 99.9 99.9 99.9 202518901201GSLM4 29 20.3 999.9 200 1.0 2.6 999 9999.9 1017.6 99.9 99.9 99.9 202518901301GSLM4 29 20.3 999.9 0 0.0 3.1 999 9999.9 1017.3 99.9 99.9 99.9 202518901401GSLM4 29 20.3 999.9 230 1.0 1.5 999 9999.9 1017.3 99.9 99.9 99.9 202518901501GSLM4 29 20.3 999.9 0 0.0 1.5 999 9999.9 1017.3 99.9 99.9 99.9 202518902001GSLM4 29 20.2 999.9 160 0.5 1.0 999 9999.9 1017.3 99.9 99.9 99.9 202518902101GSLM4 29 20.3 999.9 0 0.0 1.0 999 9999.9 1017.9 99.9 99.9 99.9 202518902201GSLM4 29 20.4 999.9 250 1.0 1.5 999 9999.9 1017.9 99.9 99.9 99.9 202518902301GSLM4 29 20.5 999.9 260 1.0 1.5 999 9999.9 1018.3 99.9 99.9 99.9 202518902401GSLM4 29 20.4 999.9 0 0.0 2.1 999 9999.9 1017.9 99.9 99.9 99.9 202518902501GSLM4 29 20.3 999.9 0 0.0 0.5 999 9999.9 1017.9 99.9 99.9 99.9 202518903001GSLM4 29 20.2 999.9 0 0.0 0.5 999 9999.9 1017.9 99.9 99.9 99.9 202518903101GSLM4 29 20.4 999.9 0 0.0 0.5 999 9999.9 1017.9 99.9 99.9 99.9 202518903201GSLM4 29 20.3 999.9 320 0.5 1.0 999 9999.9 1017.9 99.9 99.9 99.9 202518903301GSLM4 29 20.4 999.9 300 1.0 1.0 999 9999.9 1017.9 99.9 99.9 99.9 202518903401GSLM4 29 20.3 999.9 10 0.5 1.5 999 9999.9 1017.9 99.9 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
google chart
23 matching elements
0.004 sec

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