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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

Current Time: 1854 GMT
Station Types
(Click on name to view all stations for that type)
White MarkerAll Stations
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 (016)
 (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
202501600001GTLM4   19  -5.6 999.9 190  4.1  7.7 999 9999.9 1015.6 99.9 99.9 99.9             
202501600101GTLM4   19  -5.5 999.9 210  3.6  9.3 999 9999.9 1015.2 99.9 99.9 99.9             
202501600201GTLM4   19  -5.5 999.9 200  3.6  7.7 999 9999.9 1014.9 99.9 99.9 99.9             
202501600301GTLM4   19  -5.5 999.9 200  4.1  8.7 999 9999.9 1014.6 99.9 99.9 99.9             
202501600401GTLM4   19  -5.5 999.9 190  4.1  8.7 999 9999.9 1014.2 99.9 99.9 99.9             
202501600501GTLM4   19  -5.6 999.9 190  4.6  8.2 999 9999.9 1014.2 99.9 99.9 99.9             
202501601001GTLM4   19  -5.6 999.9 210  4.6  9.3 999 9999.9 1014.2 99.9 99.9 99.9             
202501601101GTLM4   19  -5.5 999.9 210  4.1  7.2 999 9999.9 1014.2 99.9 99.9 99.9             
202501601201GTLM4   19  -5.4 999.9 200  3.6  7.2 999 9999.9 1013.9 99.9 99.9 99.9             
202501601301GTLM4   19  -5.3 999.9 190  3.6  8.7 999 9999.9 1013.5 99.9 99.9 99.9             
202501601401GTLM4   19  -5.2 999.9 200  4.1  9.3 999 9999.9 1013.5 99.9 99.9 99.9             
202501601501GTLM4   19  -5.1 999.9 200  3.6  6.7 999 9999.9 1012.9 99.9 99.9 99.9             
202501602001GTLM4   19  -4.9 999.9 200  5.1  9.3 999 9999.9 1012.9 99.9 99.9 99.9             
202501602101GTLM4   19  -4.8 999.9 200  4.1  8.7 999 9999.9 1012.5 99.9 99.9 99.9             
202501602201GTLM4   19  -4.7 999.9 200  5.7 10.8 999 9999.9 1012.5 99.9 99.9 99.9             
202501602301GTLM4   19  -4.8 999.9 210  4.6  8.7 999 9999.9 1012.2 99.9 99.9 99.9             
202501602401GTLM4   19  -4.9 999.9 210  4.1  8.2 999 9999.9 1011.9 99.9 99.9 99.9             
202501602501GTLM4   19  -4.9 999.9 210  3.6  9.3 999 9999.9 1011.9 99.9 99.9 99.9             
202501603001GTLM4   19  -4.7 999.9 200  5.7 10.3 999 9999.9 1011.5 99.9 99.9 99.9             
202501603101GTLM4   19  -4.7 999.9 210  4.1  8.7 999 9999.9 1011.5 99.9 99.9 99.9             
202501603201GTLM4   19  -4.6 999.9 200  5.7 10.8 999 9999.9 1010.8 99.9 99.9 99.9             
202501603301GTLM4   19  -4.7 999.9 210  4.6 10.3 999 9999.9 1010.8 99.9 99.9 99.9             
202501603401GTLM4   19  -4.6 999.9 210  5.1 10.8 999 9999.9 1010.5 99.9 99.9 99.9             
202501603501GTLM4   19  -4.5 999.9 210  5.1  8.7 999 9999.9 1010.2 99.9 99.9 99.9             
202501604001GTLM4   19  -4.4 999.9 220  4.6  8.7 999 9999.9 1010.2 99.9 99.9 99.9             
202501604101GTLM4   19  -4.3 999.9 210  3.6  8.2 999 9999.9 1010.2 99.9 99.9 99.9             
202501604201GTLM4   19  -4.2 999.9 210  5.1  8.7 999 9999.9 1009.8 99.9 99.9 99.9             
202501604301GTLM4   19  -4.2 999.9 210  5.7 11.8 999 9999.9 1009.8 99.9 99.9 99.9             
202501604401GTLM4   19  -3.5 999.9 230  9.8 13.4 999 9999.9 1009.8 99.9 99.9 99.9             
202501604501GTLM4   19  -2.8 999.9 240 13.9 16.5 999 9999.9 1009.1 99.9 99.9 99.9             
202501605001GTLM4   19  -2.7 999.9 240 14.4 18.5 999 9999.9 1008.8 99.9 99.9 99.9             
202501605101GTLM4   19  -2.5 999.9 240 15.9 19.0 999 9999.9 1008.8 99.9 99.9 99.9             
202501605201GTLM4   19  -2.6 999.9 250 13.9 19.0 999 9999.9 1008.8 99.9 99.9 99.9             
202501605301GTLM4   19  -2.6 999.9 240 13.9 18.5 999 9999.9 1008.5 99.9 99.9 99.9             
202501605401GTLM4   19  -2.6 999.9 240 15.4 19.5 999 9999.9 1008.1 99.9 99.9 99.9             
202501605501GTLM4   19  -2.8 999.9 240 13.4 17.5 999 9999.9 1008.1 99.9 99.9 99.9             
202501606001GTLM4   19  -2.6 999.9 250 14.9 17.5 999 9999.9 1007.8 99.9 99.9 99.9             
202501606101GTLM4   19  -2.6 999.9 240 14.9 17.5 999 9999.9 1007.5 99.9 99.9 99.9             
202501606201GTLM4   19  -2.7 999.9 240 13.9 17.5 999 9999.9 1007.5 99.9 99.9 99.9             
202501606301GTLM4   19  -2.7 999.9 250 14.9 17.5 999 9999.9 1007.5 99.9 99.9 99.9             
202501606401GTLM4   19  -2.5 999.9 250 14.4 17.0 999 9999.9 1007.1 99.9 99.9 99.9             
202501606501GTLM4   19  -2.5 999.9 250 14.4 17.0 999 9999.9 1006.8 99.9 99.9 99.9             
202501607001GTLM4   19  -2.6 999.9 260 14.4 15.9 999 9999.9 1006.4 99.9 99.9 99.9             
202501607101GTLM4   19  -2.7 999.9 260 13.9 17.0 999 9999.9 1006.4 99.9 99.9 99.9             
202501607201GTLM4   19  -2.5 999.9 260 13.4 16.5 999 9999.9 1006.4 99.9 99.9 99.9             
202501607301GTLM4   19  -2.5 999.9 260 13.4 15.9 999 9999.9 1006.4 99.9 99.9 99.9             
202501607401GTLM4   19  -2.6 999.9 260 12.9 14.9 999 9999.9 1006.1 99.9 99.9 99.9             
202501607501GTLM4   19  -2.7 999.9 260 12.9 15.4 999 9999.9 1006.1 99.9 99.9 99.9             
202501608001GTLM4   19  -2.6 999.9 260 13.4 15.4 999 9999.9 1005.8 99.9 99.9 99.9             
202501608101GTLM4   19  -2.6 999.9 260 12.9 15.4 999 9999.9 1006.1 99.9 99.9 99.9             
202501608201GTLM4   19  -2.6 999.9 260 11.8 13.9 999 9999.9 1005.8 99.9 99.9 99.9             
202501608301GTLM4   19  -2.4 999.9 260 11.8 13.9 999 9999.9 1005.8 99.9 99.9 99.9             
202501608401GTLM4   19  -2.5 999.9 260 10.8 13.9 999 9999.9 1005.4 99.9 99.9 99.9             
202501608501GTLM4   19  -2.5 999.9 260 11.8 13.9 999 9999.9 1005.1 99.9 99.9 99.9             
202501609001GTLM4   19  -2.5 999.9 260 12.3 13.4 999 9999.9 1005.1 99.9 99.9 99.9             
202501609101GTLM4   19  -2.6 999.9 260 11.3 13.4 999 9999.9 1005.1 99.9 99.9 99.9             
202501609201GTLM4   19  -2.8 999.9 260  9.8 14.4 999 9999.9 1005.1 99.9 99.9 99.9             
202501609301GTLM4   19  -3.0 999.9 270 10.8 13.4 999 9999.9 1004.7 99.9 99.9 99.9             
202501609401GTLM4   19  -3.0 999.9 260 11.3 12.9 999 9999.9 1004.7 99.9 99.9 99.9             
202501609501GTLM4   19  -3.0 999.9 270 10.3 12.9 999 9999.9 1004.7 99.9 99.9 99.9             
202501610001GTLM4   19  -2.8 999.9 280 10.8 12.3 999 9999.9 1004.7 99.9 99.9 99.9             
202501610101GTLM4   19  -2.8 999.9 280  9.3 11.8 999 9999.9 1004.7 99.9 99.9 99.9             
202501610201GTLM4   19  -2.9 999.9 270 10.3 11.3 999 9999.9 1004.4 99.9 99.9 99.9             
202501610301GTLM4   19  -2.7 999.9 290  9.3 11.8 999 9999.9 1004.4 99.9 99.9 99.9             
202501610401GTLM4   19  -2.5 999.9 290  9.3 11.3 999 9999.9 1004.4 99.9 99.9 99.9             
202501610501GTLM4   19  -2.5 999.9 290  9.3 11.8 999 9999.9 1004.7 99.9 99.9 99.9             
202501611001GTLM4   19  -2.4 999.9 280  9.8 11.8 999 9999.9 1004.4 99.9 99.9 99.9             
202501611101GTLM4   19  -2.4 999.9 280  9.8 11.8 999 9999.9 1004.4 99.9 99.9 99.9             
202501611201GTLM4   19  -2.2 999.9 290  9.8 11.3 999 9999.9 1004.4 99.9 99.9 99.9             
202501611301GTLM4   19  -2.3 999.9 290  8.2 10.8 999 9999.9 1004.4 99.9 99.9 99.9             
202501611401GTLM4   19  -2.2 999.9 280  9.8 10.8 999 9999.9 1004.4 99.9 99.9 99.9             
202501611501GTLM4   19  -2.1 999.9 300  9.3 12.3 999 9999.9 1004.4 99.9 99.9 99.9             
202501612001GTLM4   19  -2.0 999.9 290  8.7 10.8 999 9999.9 1004.7 99.9 99.9 99.9             
202501612101GTLM4   19  -1.9 999.9 290  8.7 11.3 999 9999.9 1004.7 99.9 99.9 99.9             
202501612201GTLM4   19  -1.9 999.9 290  7.7 10.3 999 9999.9 1004.7 99.9 99.9 99.9             
202501612301GTLM4   19  -1.8 999.9 280  7.7 10.3 999 9999.9 1004.7 99.9 99.9 99.9             
202501612401GTLM4   19  -1.7 999.9 310  7.2 10.3 999 9999.9 1004.7 99.9 99.9 99.9             
202501612501GTLM4   19  -1.6 999.9 290  7.2  9.3 999 9999.9 1004.7 99.9 99.9 99.9             
202501613001GTLM4   19  -1.5 999.9 290  8.7  9.8 999 9999.9 1004.7 99.9 99.9 99.9             
202501613101GTLM4   19  -1.5 999.9 300  7.2  9.8 999 9999.9 1004.7 99.9 99.9 99.9             
202501613201GTLM4   19  -1.5 999.9 290  8.2  9.8 999 9999.9 1004.7 99.9 99.9 99.9             
202501613301GTLM4   19  -1.4 999.9 290  7.7  9.3 999 9999.9 1004.7 99.9 99.9 99.9             
202501613401GTLM4   19  -1.3 999.9 290  8.2 10.3 999 9999.9 1004.7 99.9 99.9 99.9             
202501613501GTLM4   19  -1.3 999.9 300  7.7  8.7 999 9999.9 1004.7 99.9 99.9 99.9             
202501614001GTLM4   19  -1.2 999.9 290  9.3 11.3 999 9999.9 1004.7 99.9 99.9 99.9             
202501614101GTLM4   19  -1.3 999.9 280  9.3 11.3 999 9999.9 1005.1 99.9 99.9 99.9             
202501614201GTLM4   19  -1.2 999.9 290  8.2 11.3 999 9999.9 1005.1 99.9 99.9 99.9             
202501614301GTLM4   19  -1.0 999.9 290  8.2  9.8 999 9999.9 1005.1 99.9 99.9 99.9             
202501614401GTLM4   19  -1.0 999.9 290  9.3 10.8 999 9999.9 1005.1 99.9 99.9 99.9             
202501614501GTLM4   19  -0.9 999.9 290  8.7 10.8 999 9999.9 1005.1 99.9 99.9 99.9             
202501615001GTLM4   19  -0.9 999.9 290  9.3 10.3 999 9999.9 1005.1 99.9 99.9 99.9             
202501615101GTLM4   19  -0.8 999.9 300  8.7 10.8 999 9999.9 1005.4 99.9 99.9 99.9             
202501615201GTLM4   19  -0.7 999.9 290 10.3 11.8 999 9999.9 1005.4 99.9 99.9 99.9             
202501615301GTLM4   19  -0.6 999.9 290  8.7 11.8 999 9999.9 1005.4 99.9 99.9 99.9             
202501615401GTLM4   19  -0.6 999.9 300  9.8 11.3 999 9999.9 1005.8 99.9 99.9 99.9             
202501615501GTLM4   19  -0.5 999.9 300  9.3 11.3 999 9999.9 1005.8 99.9 99.9 99.9             
202501616001GTLM4   19  -0.3 999.9 300  9.3 10.8 999 9999.9 1005.8 99.9 99.9 99.9             
202501616101GTLM4   19  -0.2 999.9 300  8.7 11.3 999 9999.9 1005.8 99.9 99.9 99.9             
202501616201GTLM4   19   0.0 999.9 300  7.7  9.3 999 9999.9 1005.8 99.9 99.9 99.9             
202501616301GTLM4   19   0.1 999.9 300  8.7 10.3 999 9999.9 1005.8 99.9 99.9 99.9             
202501616401GTLM4   19   0.2 999.9 310  8.7 11.3 999 9999.9 1005.8 99.9 99.9 99.9             
202501616501GTLM4   19   0.3 999.9 300  8.7 12.3 999 9999.9 1005.8 99.9 99.9 99.9             
202501617001GTLM4   19   0.4 999.9 310 10.8 11.8 999 9999.9 1005.8 99.9 99.9 99.9             
202501617101GTLM4   19   0.5 999.9 310  9.8 12.3 999 9999.9 1005.8 99.9 99.9 99.9             
202501617201GTLM4   19   0.7 999.9 310 10.3 12.9 999 9999.9 1006.1 99.9 99.9 99.9             
202501617301GTLM4   19   0.8 999.9 310 10.3 13.4 999 9999.9 1006.1 99.9 99.9 99.9             
202501617401GTLM4   19   1.1 999.9 310  9.8 12.9 999 9999.9 1006.1 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]
107 matching elements
0.029 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
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