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Realtime Great Lakes Weather Data and Marine Observations


GTLM4: NWS GrndTraverseLtMI                                  
CMAN Station
Lat: 45.21°, Lon: -85.55°
Elevation: 176 m
Anemometer Height: 16 m
Related Site: NDBC
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 (315)
 (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 202528900001GTLM4 19 10.2 999.9 30 2.1 3.1 999 9999.9 1025.1 99.9 99.9 99.9 202528900101GTLM4 19 11.0 999.9 360 1.5 3.1 999 9999.9 1025.1 99.9 99.9 99.9 202528900201GTLM4 19 9.5 999.9 30 2.1 3.1 999 9999.9 1025.1 99.9 99.9 99.9 202528900301GTLM4 19 8.5 999.9 360 2.1 2.6 999 9999.9 1025.1 99.9 99.9 99.9 202528900401GTLM4 19 8.6 999.9 10 2.1 2.6 999 9999.9 1025.1 99.9 99.9 99.9 202528900501GTLM4 19 9.0 999.9 20 2.1 3.1 999 9999.9 1025.1 99.9 99.9 99.9 202528901001GTLM4 19 9.1 999.9 20 2.6 3.6 999 9999.9 1025.1 99.9 99.9 99.9 202528901101GTLM4 19 10.3 999.9 20 2.1 3.1 999 9999.9 1025.1 99.9 99.9 99.9 202528901201GTLM4 19 10.3 999.9 20 2.6 4.1 999 9999.9 1025.1 99.9 99.9 99.9 202528901301GTLM4 19 10.8 999.9 10 2.6 3.6 999 9999.9 1025.1 99.9 99.9 99.9 202528901401GTLM4 19 10.7 999.9 10 2.6 3.6 999 9999.9 1025.1 99.9 99.9 99.9 202528901501GTLM4 19 11.3 999.9 10 3.1 4.6 999 9999.9 1025.1 99.9 99.9 99.9 202528902001GTLM4 19 11.8 999.9 360 3.1 4.6 999 9999.9 1025.4 99.9 99.9 99.9 202528902101GTLM4 19 12.0 999.9 20 2.6 5.1 999 9999.9 1025.4 99.9 99.9 99.9 202528902201GTLM4 19 12.0 999.9 10 3.6 4.6 999 9999.9 1025.4 99.9 99.9 99.9 202528902301GTLM4 19 12.1 999.9 20 3.1 4.6 999 9999.9 1025.1 99.9 99.9 99.9 202528902401GTLM4 19 11.9 999.9 10 3.6 4.6 999 9999.9 1025.4 99.9 99.9 99.9 202528902501GTLM4 19 12.1 999.9 10 3.1 4.1 999 9999.9 1025.1 99.9 99.9 99.9 202528903001GTLM4 19 12.0 999.9 360 3.6 4.6 999 9999.9 1025.1 99.9 99.9 99.9 202528903101GTLM4 19 12.3 999.9 20 4.1 5.1 999 9999.9 1025.1 99.9 99.9 99.9 202528903201GTLM4 19 12.3 999.9 20 3.6 5.7 999 9999.9 1025.1 99.9 99.9 99.9 202528903301GTLM4 19 12.1 999.9 10 3.1 4.6 999 9999.9 1025.1 99.9 99.9 99.9 202528903401GTLM4 19 12.1 999.9 360 3.1 4.6 999 9999.9 1025.1 99.9 99.9 99.9 202528903501GTLM4 19 12.1 999.9 20 3.1 4.6 999 9999.9 1025.1 99.9 99.9 99.9 202528904001GTLM4 19 12.1 999.9 40 3.6 4.6 999 9999.9 1024.7 99.9 99.9 99.9 202528904101GTLM4 19 12.2 999.9 30 3.1 4.6 999 9999.9 1025.1 99.9 99.9 99.9 202528904201GTLM4 19 12.1 999.9 30 3.6 4.6 999 9999.9 1024.7 99.9 99.9 99.9 202528904301GTLM4 19 12.2 999.9 40 3.6 5.1 999 9999.9 1024.7 99.9 99.9 99.9 202528904401GTLM4 19 12.1 999.9 40 4.1 5.1 999 9999.9 1024.7 99.9 99.9 99.9 202528905501GTLM4 19 11.1 999.9 70 5.1 6.7 999 9999.9 1024.7 99.9 99.9 99.9 202528906001GTLM4 19 11.0 999.9 80 5.1 6.2 999 9999.9 1024.7 99.9 99.9 99.9 202528906101GTLM4 19 10.7 999.9 90 4.1 6.2 999 9999.9 1024.7 99.9 99.9 99.9 202528906201GTLM4 19 10.5 999.9 100 3.1 5.1 999 9999.9 1024.7 99.9 99.9 99.9 202528906301GTLM4 19 10.4 999.9 100 3.6 5.1 999 9999.9 1025.1 99.9 99.9 99.9 202528906401GTLM4 19 10.3 999.9 100 3.1 5.1 999 9999.9 1025.1 99.9 99.9 99.9 202528906501GTLM4 19 10.2 999.9 100 2.6 4.1 999 9999.9 1025.1 99.9 99.9 99.9 202528907001GTLM4 19 9.9 999.9 110 3.1 4.1 999 9999.9 1025.1 99.9 99.9 99.9 202528907101GTLM4 19 9.8 999.9 120 2.1 4.1 999 9999.9 1025.1 99.9 99.9 99.9 202528907201GTLM4 19 9.7 999.9 110 2.1 3.6 999 9999.9 1025.1 99.9 99.9 99.9 202528907301GTLM4 19 9.0 999.9 120 1.5 3.1 999 9999.9 1025.1 99.9 99.9 99.9 202528907401GTLM4 19 8.7 999.9 110 1.5 3.6 999 9999.9 1025.1 99.9 99.9 99.9 202528907501GTLM4 19 8.7 999.9 100 2.6 3.1 999 9999.9 1025.1 99.9 99.9 99.9 202528908001GTLM4 19 8.8 999.9 100 2.1 4.1 999 9999.9 1025.1 99.9 99.9 99.9 202528908101GTLM4 19 8.0 999.9 110 2.1 3.1 999 9999.9 1025.1 99.9 99.9 99.9 202528908201GTLM4 19 7.8 999.9 110 1.5 3.6 999 9999.9 1025.1 99.9 99.9 99.9 202528908301GTLM4 19 7.6 999.9 110 2.1 3.1 999 9999.9 1025.1 99.9 99.9 99.9 202528908401GTLM4 19 7.3 999.9 110 2.1 3.1 999 9999.9 1025.1 99.9 99.9 99.9 202528908501GTLM4 19 7.5 999.9 110 2.1 3.1 999 9999.9 1025.1 99.9 99.9 99.9 202528909001GTLM4 19 7.3 999.9 120 2.1 3.1 999 9999.9 1025.1 99.9 99.9 99.9 202528909101GTLM4 19 7.2 999.9 120 2.1 2.6 999 9999.9 1025.4 99.9 99.9 99.9 202528909201GTLM4 19 7.1 999.9 120 1.5 2.1 999 9999.9 1025.4 99.9 99.9 99.9 202528909301GTLM4 19 6.9 999.9 120 1.5 2.6 999 9999.9 1025.4 99.9 99.9 99.9 202528909401GTLM4 19 6.7 999.9 140 1.5 2.1 999 9999.9 1025.4 99.9 99.9 99.9 202528909501GTLM4 19 6.6 999.9 120 2.1 2.6 999 9999.9 1025.4 99.9 99.9 99.9 202528910001GTLM4 19 6.4 999.9 110 1.5 2.6 999 9999.9 1025.4 99.9 99.9 99.9 202528910101GTLM4 19 6.5 999.9 120 1.5 3.1 999 9999.9 1025.4 99.9 99.9 99.9 202528910201GTLM4 19 6.4 999.9 130 1.0 2.6 999 9999.9 1025.4 99.9 99.9 99.9 202528910301GTLM4 19 6.3 999.9 140 1.0 3.1 999 9999.9 1025.7 99.9 99.9 99.9 202528910401GTLM4 19 6.3 999.9 150 1.0 2.1 999 9999.9 1025.7 99.9 99.9 99.9 202528910501GTLM4 19 6.2 999.9 170 1.5 2.1 999 9999.9 1025.7 99.9 99.9 99.9 202528911001GTLM4 19 6.1 999.9 170 1.5 2.1 999 9999.9 1025.7 99.9 99.9 99.9 202528911101GTLM4 19 6.0 999.9 160 1.5 2.1 999 9999.9 1025.7 99.9 99.9 99.9 202528911201GTLM4 19 6.0 999.9 120 1.5 2.1 999 9999.9 1025.7 99.9 99.9 99.9 202528911301GTLM4 19 6.0 999.9 140 1.0 2.1 999 9999.9 1025.7 99.9 99.9 99.9 202528911401GTLM4 19 5.9 999.9 140 1.5 2.1 999 9999.9 1025.7 99.9 99.9 99.9 202528911501GTLM4 19 6.0 999.9 120 1.5 2.6 999 9999.9 1025.7 99.9 99.9 99.9 202528912001GTLM4 19 6.0 999.9 110 1.5 3.1 999 9999.9 1025.7 99.9 99.9 99.9 202528912101GTLM4 19 6.0 999.9 130 1.0 2.1 999 9999.9 1026.1 99.9 99.9 99.9 202528912201GTLM4 19 6.1 999.9 120 2.1 2.6 999 9999.9 1025.7 99.9 99.9 99.9 202528912301GTLM4 19 6.0 999.9 120 2.1 2.6 999 9999.9 1025.7 99.9 99.9 99.9 202528912401GTLM4 19 6.1 999.9 140 1.5 2.6 999 9999.9 1026.1 99.9 99.9 99.9 202528912501GTLM4 19 6.2 999.9 110 1.5 2.1 999 9999.9 1026.1 99.9 99.9 99.9 202528913001GTLM4 19 6.6 999.9 110 1.5 3.1 999 9999.9 1026.1 99.9 99.9 99.9 202528913101GTLM4 19 7.0 999.9 140 1.0 3.1 999 9999.9 1025.7 99.9 99.9 99.9 202528913201GTLM4 19 7.4 999.9 160 1.0 2.6 999 9999.9 1025.7 99.9 99.9 99.9 202528913301GTLM4 19 7.9 999.9 140 1.0 3.1 999 9999.9 1025.7 99.9 99.9 99.9 202528913401GTLM4 19 8.4 999.9 150 1.0 2.6 999 9999.9 1025.7 99.9 99.9 99.9 202528913501GTLM4 19 8.8 999.9 0 0.0 3.1 999 9999.9 1025.7 99.9 99.9 99.9 202528914001GTLM4 19 9.1 999.9 170 1.5 3.1 999 9999.9 1025.7 99.9 99.9 99.9 202528914101GTLM4 19 9.6 999.9 180 2.1 3.6 999 9999.9 1025.7 99.9 99.9 99.9 202528914201GTLM4 19 10.0 999.9 160 1.5 3.1 999 9999.9 1025.7 99.9 99.9 99.9 202528914301GTLM4 19 10.1 999.9 0 0.0 3.1 999 9999.9 1025.7 99.9 99.9 99.9 202528914401GTLM4 19 10.4 999.9 150 1.0 2.6 999 9999.9 1025.4 99.9 99.9 99.9 202528914501GTLM4 19 10.8 999.9 170 1.5 3.1 999 9999.9 1025.4 99.9 99.9 99.9 202528915001GTLM4 19 11.0 999.9 150 1.0 2.6 999 9999.9 1025.4 99.9 99.9 99.9 202528915101GTLM4 19 12.0 999.9 140 1.5 3.1 999 9999.9 1025.4 99.9 99.9 99.9 202528915201GTLM4 19 12.4 999.9 210 2.1 3.6 999 9999.9 1025.1 99.9 99.9 99.9 202528915301GTLM4 19 12.3 999.9 160 1.5 2.6 999 9999.9 1025.4 99.9 99.9 99.9 202528915401GTLM4 19 12.9 999.9 220 1.5 3.1 999 9999.9 1025.1 99.9 99.9 99.9 202528915501GTLM4 19 14.1 999.9 190 1.5 2.6 999 9999.9 1025.1 99.9 99.9 99.9 202528916001GTLM4 19 14.3 999.9 90 0.5 2.6 999 9999.9 1025.1 99.9 99.9 99.9 202528916101GTLM4 19 14.3 999.9 70 1.0 4.1 999 9999.9 1024.7 99.9 99.9 99.9 202528916201GTLM4 19 14.8 999.9 130 1.0 3.6 999 9999.9 1024.7 99.9 99.9 99.9 202528916301GTLM4 19 14.8 999.9 150 2.6 3.6 999 9999.9 1024.7 99.9 99.9 99.9 202528916401GTLM4 19 14.7 999.9 100 1.5 3.6 999 9999.9 1024.7 99.9 99.9 99.9 202528916501GTLM4 19 15.1 999.9 190 1.0 3.1 999 9999.9 1024.4 99.9 99.9 99.9 202528917001GTLM4 19 15.1 999.9 210 1.0 3.6 999 9999.9 1024.4 99.9 99.9 99.9 202528917101GTLM4 19 15.4 999.9 190 1.0 4.1 999 9999.9 1024.4 99.9 99.9 99.9 202528917201GTLM4 19 15.6 999.9 240 2.1 2.6 999 9999.9 1024.4 99.9 99.9 99.9 202528917301GTLM4 19 16.0 999.9 220 1.5 3.6 999 9999.9 1024.4 99.9 99.9 99.9 202528917401GTLM4 19 16.4 999.9 230 1.5 3.1 999 9999.9 1024.0 99.9 99.9 99.9 202528917501GTLM4 19 15.9 999.9 150 2.1 3.1 999 9999.9 1023.7 99.9 99.9 99.9 202528918001GTLM4 19 16.9 999.9 230 1.5 2.1 999 9999.9 1023.4 99.9 99.9 99.9 202528918101GTLM4 19 17.7 999.9 260 1.0 1.5 999 9999.9 1023.0 99.9 99.9 99.9 202528918201GTLM4 19 18.6 999.9 330 1.5 3.1 999 9999.9 1023.0 99.9 99.9 99.9 202528918301GTLM4 19 18.0 999.9 30 1.0 2.1 999 9999.9 1022.7 99.9 99.9 99.9 202528918401GTLM4 19 16.1 999.9 100 1.5 2.6 999 9999.9 1022.7 99.9 99.9 99.9 202528918501GTLM4 19 17.3 999.9 280 2.1 3.1 999 9999.9 1022.7 99.9 99.9 99.9 202528919001GTLM4 19 19.0 999.9 280 2.1 2.6 999 9999.9 1022.7 99.9 99.9 99.9 202528919101GTLM4 19 19.3 999.9 310 1.0 2.6 999 9999.9 1022.4 99.9 99.9 99.9 202528919201GTLM4 19 18.7 999.9 330 1.5 2.1 999 9999.9 1022.4 99.9 99.9 99.9 202528919301GTLM4 19 19.5 999.9 310 3.1 3.1 999 9999.9 1022.4 99.9 99.9 99.9 202528919401GTLM4 19 19.6 999.9 300 3.1 3.6 999 9999.9 1022.4 99.9 99.9 99.9 202528919501GTLM4 19 19.4 999.9 300 3.1 3.6 999 9999.9 1022.0 99.9 99.9 99.9 202528920001GTLM4 19 19.3 999.9 310 2.6 3.6 999 9999.9 1022.0 99.9 99.9 99.9 202528920101GTLM4 19 19.4 999.9 320 2.1 2.6 999 9999.9 1021.7 99.9 99.9 99.9 202528920201GTLM4 19 18.8 999.9 330 2.1 2.6 999 9999.9 1021.7 99.9 99.9 99.9 202528920301GTLM4 19 17.2 999.9 10 1.5 2.6 999 9999.9 1021.7 99.9 99.9 99.9 202528920401GTLM4 19 15.8 999.9 30 2.1 2.6 999 9999.9 1021.7 99.9 99.9 99.9 202528920501GTLM4 19 15.5 999.9 50 2.6 3.1 999 9999.9 1021.3 99.9 99.9 99.9 202528921001GTLM4 19 14.9 999.9 50 3.1 3.6 999 9999.9 1021.3 99.9 99.9 99.9 202528921101GTLM4 19 15.0 999.9 40 2.6 4.1 999 9999.9 1021.3 99.9 99.9 99.9 202528921201GTLM4 19 14.6 999.9 30 2.1 2.6 999 9999.9 1021.3 99.9 99.9 99.9 202528921301GTLM4 19 14.2 999.9 360 2.1 2.6 999 9999.9 1021.3 99.9 99.9 99.9 202528921401GTLM4 19 14.1 999.9 50 2.1 3.1 999 9999.9 1021.0 99.9 99.9 99.9 202528921501GTLM4 19 13.8 999.9 50 2.1 2.6 999 9999.9 1021.0 99.9 99.9 99.9 202528922001GTLM4 19 13.7 999.9 50 1.5 2.6 999 9999.9 1020.7 99.9 99.9 99.9 202528922101GTLM4 19 13.3 999.9 60 2.1 2.6 999 9999.9 1020.7 99.9 99.9 99.9 202528922201GTLM4 19 12.7 999.9 50 1.5 2.1 999 9999.9 1020.7 99.9 99.9 99.9 202528922301GTLM4 19 11.6 999.9 90 2.1 3.1 999 9999.9 1020.3 99.9 99.9 99.9 202528922401GTLM4 19 11.3 999.9 60 2.1 3.1 999 9999.9 1020.0 99.9 99.9 99.9 202528922501GTLM4 19 10.9 999.9 90 2.1 3.1 999 9999.9 1019.6 99.9 99.9 99.9 202528923001GTLM4 19 10.4 999.9 90 1.5 2.6 999 9999.9 1019.6 99.9 99.9 99.9 202528923101GTLM4 19 10.0 999.9 80 1.5 1.5 999 9999.9 1019.6 99.9 99.9 99.9 202528923201GTLM4 19 9.7 999.9 100 2.1 2.6 999 9999.9 1019.3 99.9 99.9 99.9 202528923301GTLM4 19 9.9 999.9 90 1.5 3.1 999 9999.9 1019.6 99.9 99.9 99.9 202528923401GTLM4 19 9.8 999.9 120 1.0 2.6 999 9999.9 1019.6 99.9 99.9 99.9 202528923501GTLM4 19 9.6 999.9 0 0.0 1.5 999 9999.9 1019.6 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 3rd data value plotted]
138 matching elements
0.060 sec

This Web page created and maintained by Greg Lang, NOAA/GLERL,
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