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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: 1509 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 (261)
 (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
202426100001GSLM4   29  22.8 999.9  70  4.6  4.6 999 9999.9 1021.7 99.9 99.9 99.9             
202426100101GSLM4   29  23.7 999.9 100  5.7  6.2 999 9999.9 1021.7 99.9 99.9 99.9             
202426100201GSLM4   29  24.4 999.9 110  5.7  6.7 999 9999.9 1021.7 99.9 99.9 99.9             
202426100301GSLM4   29  23.7 999.9 110  5.1  6.2 999 9999.9 1021.7 99.9 99.9 99.9             
202426100401GSLM4   29  23.3 999.9 120  5.7  6.7 999 9999.9 1022.0 99.9 99.9 99.9             
202426100501GSLM4   29  23.6 999.9 130  6.2  6.7 999 9999.9 1022.0 99.9 99.9 99.9             
202426101001GSLM4   29  23.4 999.9 120  6.7  7.2 999 9999.9 1022.0 99.9 99.9 99.9             
202426101101GSLM4   29  23.4 999.9 130  7.7  7.7 999 9999.9 1022.0 99.9 99.9 99.9             
202426101201GSLM4   29  23.4 999.9 130  7.2  8.7 999 9999.9 1022.0 99.9 99.9 99.9             
202426101301GSLM4   29  23.3 999.9 130  8.2  8.7 999 9999.9 1022.4 99.9 99.9 99.9             
202426101401GSLM4   29  23.1 999.9 140  7.7  8.2 999 9999.9 1022.4 99.9 99.9 99.9             
202426101501GSLM4   29  22.9 999.9 140  7.2  8.2 999 9999.9 1022.4 99.9 99.9 99.9             
202426102001GSLM4   29  22.8 999.9 140  8.2  8.2 999 9999.9 1022.0 99.9 99.9 99.9             
202426102101GSLM4   29  22.6 999.9 140  7.7  8.7 999 9999.9 1022.0 99.9 99.9 99.9             
202426102201GSLM4   29  22.5 999.9 140  7.2  8.2 999 9999.9 1022.0 99.9 99.9 99.9             
202426102301GSLM4   29  22.4 999.9 140  7.2  7.7 999 9999.9 1022.0 99.9 99.9 99.9             
202426102401GSLM4   29  22.4 999.9 150  6.7  7.7 999 9999.9 1022.0 99.9 99.9 99.9             
202426102501GSLM4   29  22.2 999.9 150  6.7  7.2 999 9999.9 1022.4 99.9 99.9 99.9             
202426103001GSLM4   29  22.0 999.9 140  5.7  6.7 999 9999.9 1022.0 99.9 99.9 99.9             
202426103101GSLM4   29  22.0 999.9 150  5.7  5.7 999 9999.9 1022.4 99.9 99.9 99.9             
202426103201GSLM4   29  21.9 999.9 150  4.6  5.7 999 9999.9 1022.4 99.9 99.9 99.9             
202426103301GSLM4   29  21.9 999.9 140  4.6  5.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426103401GSLM4   29  21.7 999.9 140  5.1  5.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426103501GSLM4   29  21.7 999.9 140  4.6  5.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426104001GSLM4   29  21.8 999.9 140  4.6  5.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426104101GSLM4   29  21.6 999.9 140  4.6  5.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426104201GSLM4   29  21.8 999.9 140  4.1  4.6 999 9999.9 1022.4 99.9 99.9 99.9             
202426104301GSLM4   29  21.9 999.9 150  4.1  4.6 999 9999.9 1022.4 99.9 99.9 99.9             
202426104401GSLM4   29  21.8 999.9 150  3.6  4.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426104501GSLM4   29  21.7 999.9 150  3.6  3.6 999 9999.9 1022.0 99.9 99.9 99.9             
202426105001GSLM4   29  21.9 999.9 150  3.1  3.6 999 9999.9 1022.0 99.9 99.9 99.9             
202426105101GSLM4   29  21.6 999.9 140  4.6  5.1 999 9999.9 1022.0 99.9 99.9 99.9             
202426105201GSLM4   29  21.1 999.9 140  4.6  5.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426105301GSLM4   29  21.2 999.9 140  5.7  6.7 999 9999.9 1022.4 99.9 99.9 99.9             
202426105401GSLM4   29  21.2 999.9 140  5.7  6.7 999 9999.9 1022.4 99.9 99.9 99.9             
202426105501GSLM4   29  21.1 999.9 140  5.1  6.2 999 9999.9 1022.0 99.9 99.9 99.9             
202426106001GSLM4   29  21.0 999.9 140  5.1  5.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426106101GSLM4   29  21.0 999.9 140  4.6  6.2 999 9999.9 1022.4 99.9 99.9 99.9             
202426106201GSLM4   29  21.0 999.9 150  4.6  5.7 999 9999.9 1022.4 99.9 99.9 99.9             
202426106301GSLM4   29  21.0 999.9 140  4.1  5.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426106401GSLM4   29  21.0 999.9 140  4.1  4.6 999 9999.9 1022.4 99.9 99.9 99.9             
202426106501GSLM4   29  20.9 999.9 140  4.1  4.6 999 9999.9 1022.4 99.9 99.9 99.9             
202426107001GSLM4   29  21.0 999.9 140  3.6  4.6 999 9999.9 1022.0 99.9 99.9 99.9             
202426107101GSLM4   29  20.7 999.9 140  4.1  4.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426107201GSLM4   29  20.8 999.9 150  3.1  4.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426107301GSLM4   29  20.8 999.9 150  3.1  3.6 999 9999.9 1022.4 99.9 99.9 99.9             
202426107401GSLM4   29  20.7 999.9 160  2.1  3.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426107501GSLM4   29  20.6 999.9 200  1.0  2.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426108001GSLM4   29  20.4 999.9   0  0.0  1.0 999 9999.9 1022.4 99.9 99.9 99.9             
202426108101GSLM4   29  20.4 999.9 150  0.5  1.0 999 9999.9 1022.4 99.9 99.9 99.9             
202426108201GSLM4   29  20.1 999.9   0  0.0  0.5 999 9999.9 1022.4 99.9 99.9 99.9             
202426108301GSLM4   29  20.4 999.9 140  1.0  1.0 999 9999.9 1022.4 99.9 99.9 99.9             
202426108401GSLM4   29  20.4 999.9 150  1.0  1.0 999 9999.9 1022.4 99.9 99.9 99.9             
202426108501GSLM4   29  20.6 999.9 110  1.5  1.5 999 9999.9 1022.4 99.9 99.9 99.9             
202426109001GSLM4   29  20.6 999.9 120  2.1  2.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426109101GSLM4   29  20.5 999.9 110  2.1  2.6 999 9999.9 1022.0 99.9 99.9 99.9             
202426109201GSLM4   29  20.4 999.9 110  2.6  2.6 999 9999.9 1022.0 99.9 99.9 99.9             
202426109301GSLM4   29  20.4 999.9 110  2.6  3.1 999 9999.9 1022.0 99.9 99.9 99.9             
202426109401GSLM4   29  20.4 999.9 110  4.1  5.1 999 9999.9 1022.0 99.9 99.9 99.9             
202426109501GSLM4   29  20.2 999.9 110  3.1  4.6 999 9999.9 1022.0 99.9 99.9 99.9             
202426110001GSLM4   29  20.3 999.9 110  4.1  4.6 999 9999.9 1022.0 99.9 99.9 99.9             
202426110101GSLM4   29  20.4 999.9 110  2.6  4.6 999 9999.9 1022.0 99.9 99.9 99.9             
202426110201GSLM4   29  20.8 999.9 110  2.6  3.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426110301GSLM4   29  21.4 999.9 100  2.1  2.6 999 9999.9 1022.4 99.9 99.9 99.9             
202426110401GSLM4   29  20.9 999.9  90  2.1  2.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426110501GSLM4   29  21.2 999.9  90  2.1  2.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426111001GSLM4   29  21.3 999.9  90  2.1  2.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426111101GSLM4   29  21.0 999.9  80  2.1  2.1 999 9999.9 1022.4 99.9 99.9 99.9             
202426111201GSLM4   29  20.9 999.9  70  1.5  2.1 999 9999.9 1022.7 99.9 99.9 99.9             
202426111301GSLM4   29  21.0 999.9  60  1.5  2.1 999 9999.9 1022.7 99.9 99.9 99.9             
202426111401GSLM4   29  21.1 999.9  60  2.1  2.1 999 9999.9 1022.7 99.9 99.9 99.9             
202426111501GSLM4   29  21.2 999.9  50  1.5  2.1 999 9999.9 1022.7 99.9 99.9 99.9             
202426112001GSLM4   29  21.4 999.9  50  2.1  2.1 999 9999.9 1022.7 99.9 99.9 99.9             
202426112101GSLM4   29  21.6 999.9  20  1.5  2.1 999 9999.9 1022.7 99.9 99.9 99.9             
202426112201GSLM4   29  20.8 999.9 330  3.1  3.1 999 9999.9 1022.7 99.9 99.9 99.9             
202426112301GSLM4   29  20.6 999.9 340  2.1  2.6 999 9999.9 1022.7 99.9 99.9 99.9             
202426112401GSLM4   29  19.9 999.9 340  2.6  3.1 999 9999.9 1022.7 99.9 99.9 99.9             
202426112501GSLM4   29  19.8 999.9 330  3.1  3.1 999 9999.9 1022.7 99.9 99.9 99.9             
202426113001GSLM4   29  19.7 999.9 340  2.1  3.1 999 9999.9 1022.7 99.9 99.9 99.9             
202426113101GSLM4   29  19.8 999.9  10  2.6  2.6 999 9999.9 1022.7 99.9 99.9 99.9             
202426113201GSLM4   29  19.9 999.9  10  2.6  2.6 999 9999.9 1022.7 99.9 99.9 99.9             
202426113301GSLM4   29  19.8 999.9  10  3.1  3.6 999 9999.9 1023.0 99.9 99.9 99.9             
202426113401GSLM4   29  19.7 999.9  10  3.6  3.6 999 9999.9 1022.7 99.9 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
google chart
  [every 2nd value plotted]
83 matching elements
0.051 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
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