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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)
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 (340)
 (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
202427900001GTLM4   19  11.1 999.9 210  3.1  4.6 999 9999.9 1026.1 99.9 99.9 99.9            
202427900101GTLM4   19  11.0 999.9 210  3.1  4.6 999 9999.9 1026.1 99.9 99.9 99.9            
202427900201GTLM4   19  11.2 999.9 200  3.1  4.1 999 9999.9 1026.1 99.9 99.9 99.9            
202427900301GTLM4   19  11.2 999.9 200  2.6  4.1 999 9999.9 1026.1 99.9 99.9 99.9            
202427900401GTLM4   19  11.0 999.9 210  2.6  4.6 999 9999.9 1026.1 99.9 99.9 99.9            
202427900501GTLM4   19  11.0 999.9 210  3.1  4.1 999 9999.9 1025.7 99.9 99.9 99.9            
202427901001GTLM4   19  11.0 999.9 200  2.6  4.1 999 9999.9 1026.1 99.9 99.9 99.9            
202427901101GTLM4   19  10.9 999.9 210  2.1  4.1 999 9999.9 1026.1 99.9 99.9 99.9            
202427901201GTLM4   19  11.1 999.9 200  2.1  4.1 999 9999.9 1025.7 99.9 99.9 99.9            
202427901301GTLM4   19  11.0 999.9 200  2.1  4.1 999 9999.9 1025.7 99.9 99.9 99.9            
202427901401GTLM4   19  10.7 999.9 190  2.1  3.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427901501GTLM4   19  10.6 999.9 190  2.1  3.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427902001GTLM4   19  10.4 999.9 200  2.1  3.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427902101GTLM4   19  10.5 999.9 210  1.5  3.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427902201GTLM4   19  10.6 999.9 210  2.1  3.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427902301GTLM4   19  10.8 999.9 210  2.1  3.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427902401GTLM4   19  10.7 999.9 210  2.1  3.6 999 9999.9 1025.4 99.9 99.9 99.9            
202427902501GTLM4   19  10.7 999.9 210  2.1  3.6 999 9999.9 1025.4 99.9 99.9 99.9            
202427903001GTLM4   19  10.8 999.9 200  2.1  4.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427903101GTLM4   19  10.6 999.9 200  2.6  3.6 999 9999.9 1025.4 99.9 99.9 99.9            
202427903201GTLM4   19  10.6 999.9 200  2.6  5.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427903301GTLM4   19  11.0 999.9 200  2.6  4.6 999 9999.9 1025.7 99.9 99.9 99.9            
202427903401GTLM4   19  11.3 999.9 210  3.1  5.1 999 9999.9 1025.7 99.9 99.9 99.9            
202427903501GTLM4   19  11.4 999.9 220  3.1  5.1 999 9999.9 1025.7 99.9 99.9 99.9            
202427904001GTLM4   19  11.1 999.9 220  2.6  4.1 999 9999.9 1026.1 99.9 99.9 99.9            
202427904101GTLM4   19  10.7 999.9 220  2.6  3.6 999 9999.9 1026.1 99.9 99.9 99.9            
202427904201GTLM4   19  10.3 999.9 220  2.1  3.1 999 9999.9 1025.7 99.9 99.9 99.9            
202427904301GTLM4   19  10.0 999.9 220  2.6  3.6 999 9999.9 1025.7 99.9 99.9 99.9            
202427904401GTLM4   19   9.5 999.9 220  2.1  3.6 999 9999.9 1025.7 99.9 99.9 99.9            
202427904501GTLM4   19   9.4 999.9 210  2.1  3.1 999 9999.9 1025.7 99.9 99.9 99.9            
202427905001GTLM4   19   9.4 999.9 190  3.1  5.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427905101GTLM4   19  10.0 999.9 200  3.1  4.6 999 9999.9 1025.4 99.9 99.9 99.9            
202427905201GTLM4   19  10.6 999.9 190  2.6  5.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427905301GTLM4   19  10.8 999.9 200  3.1  4.6 999 9999.9 1025.4 99.9 99.9 99.9            
202427905401GTLM4   19  11.2 999.9 190  2.6  5.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427905501GTLM4   19  11.0 999.9 180  2.6  4.6 999 9999.9 1025.4 99.9 99.9 99.9            
202427906001GTLM4   19  10.9 999.9 180  2.6  4.6 999 9999.9 1025.4 99.9 99.9 99.9            
202427906101GTLM4   19  11.1 999.9 180  3.1  4.6 999 9999.9 1025.4 99.9 99.9 99.9            
202427906201GTLM4   19  11.3 999.9 170  3.1  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427906301GTLM4   19  11.4 999.9 180  2.6  6.2 999 9999.9 1025.4 99.9 99.9 99.9            
202427906401GTLM4   19  11.4 999.9 180  3.6  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427906501GTLM4   19  11.4 999.9 180  3.1  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427907001GTLM4   19  11.3 999.9 180  3.1  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427907101GTLM4   19  11.2 999.9 180  3.6  5.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427907201GTLM4   19  11.4 999.9 180  3.1  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427907301GTLM4   19  11.3 999.9 180  3.6  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427907401GTLM4   19  11.5 999.9 180  2.6  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427907501GTLM4   19  11.5 999.9 170  3.6  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427908001GTLM4   19  11.5 999.9 180  3.6  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427908101GTLM4   19  11.2 999.9 180  3.1  5.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427908201GTLM4   19  11.1 999.9 180  3.1  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427908301GTLM4   19  11.3 999.9 170  2.1  4.6 999 9999.9 1025.4 99.9 99.9 99.9            
202427908401GTLM4   19  11.0 999.9 170  2.6  4.6 999 9999.9 1025.4 99.9 99.9 99.9            
202427908501GTLM4   19  11.1 999.9 180  3.1  5.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427909001GTLM4   19  11.0 999.9 180  2.1  4.6 999 9999.9 1025.4 99.9 99.9 99.9            
202427909101GTLM4   19  11.2 999.9 170  3.1  5.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427909201GTLM4   19  11.2 999.9 170  3.1  5.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427909301GTLM4   19  11.3 999.9 170  2.6  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427909401GTLM4   19  11.1 999.9 170  2.6  5.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427909501GTLM4   19  11.1 999.9 170  2.6  5.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427910001GTLM4   19  10.9 999.9 180  2.6  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427910101GTLM4   19  11.0 999.9 180  2.6  4.6 999 9999.9 1025.7 99.9 99.9 99.9            
202427910201GTLM4   19  11.0 999.9 180  2.6  4.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427910301GTLM4   19  10.8 999.9 180  2.1  4.6 999 9999.9 1025.7 99.9 99.9 99.9            
202427910401GTLM4   19  10.5 999.9 160  2.6  5.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427910501GTLM4   19  10.4 999.9 170  2.1  4.6 999 9999.9 1025.7 99.9 99.9 99.9            
202427911001GTLM4   19  10.2 999.9 170  3.1  4.6 999 9999.9 1025.7 99.9 99.9 99.9            
202427911101GTLM4   19  10.2 999.9 170  2.6  4.6 999 9999.9 1025.7 99.9 99.9 99.9            
202427911201GTLM4   19  10.3 999.9 170  3.1  4.6 999 9999.9 1025.7 99.9 99.9 99.9            
202427911301GTLM4   19  10.5 999.9 170  2.6  4.6 999 9999.9 1025.7 99.9 99.9 99.9            
202427911401GTLM4   19  10.9 999.9 170  2.6  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427911501GTLM4   19  10.9 999.9 180  2.6  5.1 999 9999.9 1025.4 99.9 99.9 99.9            
202427912001GTLM4   19  11.2 999.9 180  3.1  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427912101GTLM4   19  11.3 999.9 170  2.6  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427912201GTLM4   19  11.2 999.9 170  3.1  5.7 999 9999.9 1025.4 99.9 99.9 99.9            
202427912301GTLM4   19  11.4 999.9 150  2.1  4.6 999 9999.9 1025.4 99.9 99.9 99.9            
202427912401GTLM4   19  11.6 999.9 170  2.6  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202427912501GTLM4   19  11.7 999.9 180  2.6  5.1 999 9999.9 1025.1 99.9 99.9 99.9            
202427913001GTLM4   19  12.1 999.9 170  2.6  5.7 999 9999.9 1025.1 99.9 99.9 99.9            
202427913101GTLM4   19  12.2 999.9 170  2.6  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202427913201GTLM4   19  12.4 999.9 160  2.6  5.7 999 9999.9 1025.1 99.9 99.9 99.9            
202427913301GTLM4   19  12.9 999.9 150  2.1  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202427913401GTLM4   19  13.3 999.9 160  2.1  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202427913501GTLM4   19  13.5 999.9 170  2.1  5.7 999 9999.9 1025.1 99.9 99.9 99.9            
202427914001GTLM4   19  13.6 999.9 160  1.5  5.1 999 9999.9 1025.1 99.9 99.9 99.9            
202427914101GTLM4   19  13.8 999.9 180  3.6  6.2 999 9999.9 1025.1 99.9 99.9 99.9            
202427914201GTLM4   19  14.0 999.9 160  3.1  6.7 999 9999.9 1024.7 99.9 99.9 99.9            
202427914301GTLM4   19  14.4 999.9 170  2.6  5.1 999 9999.9 1024.7 99.9 99.9 99.9            
202427914401GTLM4   19  14.8 999.9 170  2.1  4.6 999 9999.9 1024.4 99.9 99.9 99.9            
202427914501GTLM4   19  15.0 999.9 180  2.6  6.2 999 9999.9 1024.4 99.9 99.9 99.9            
202427915001GTLM4   19  15.4 999.9 160  2.6  6.2 999 9999.9 1024.4 99.9 99.9 99.9            
202427915101GTLM4   19  15.8 999.9 180  3.1  6.7 999 9999.9 1024.4 99.9 99.9 99.9            
202427915201GTLM4   19  16.8 999.9 180  3.1  6.2 999 9999.9 1024.4 99.9 99.9 99.9            
202427915301GTLM4   19  17.8 999.9 170  3.1  6.2 999 9999.9 1024.0 99.9 99.9 99.9            
202427915401GTLM4   19  17.7 999.9 160  3.1  6.2 999 9999.9 1024.0 99.9 99.9 99.9            
202427915501GTLM4   19  17.9 999.9 150  3.1  6.7 999 9999.9 1023.7 99.9 99.9 99.9            
202427916001GTLM4   19  18.9 999.9 160  3.1  6.7 999 9999.9 1023.7 99.9 99.9 99.9            
202427916101GTLM4   19  19.8 999.9 180  2.6  6.7 999 9999.9 1023.7 99.9 99.9 99.9            
202427916201GTLM4   19  20.0 999.9 150  4.1  7.7 999 9999.9 1023.7 99.9 99.9 99.9            
202427916301GTLM4   19  19.4 999.9 150  2.6  8.2 999 9999.9 1023.4 99.9 99.9 99.9            
202427916401GTLM4   19  20.3 999.9 170  5.1  8.2 999 9999.9 1023.0 99.9 99.9 99.9            
202427916501GTLM4   19  20.5 999.9 170  2.1  8.7 999 9999.9 1023.0 99.9 99.9 99.9            
202427917001GTLM4   19  20.7 999.9 160  4.1  8.7 999 9999.9 1022.7 99.9 99.9 99.9            
202427917101GTLM4   19  20.5 999.9 150  5.1  9.8 999 9999.9 1022.4 99.9 99.9 99.9            
202427917201GTLM4   19  20.7 999.9 160  4.1  9.3 999 9999.9 1022.4 99.9 99.9 99.9            
202427917301GTLM4   19  21.2 999.9 180  3.1  8.7 999 9999.9 1022.0 99.9 99.9 99.9            
202427917401GTLM4   19  21.3 999.9 170  3.6 10.8 999 9999.9 1021.7 99.9 99.9 99.9            
202427917501GTLM4   19  21.4 999.9 160  5.1 10.8 999 9999.9 1021.3 99.9 99.9 99.9            
202427918001GTLM4   19  21.2 999.9 170  3.6  8.2 999 9999.9 1021.0 99.9 99.9 99.9            
202427918101GTLM4   19  21.2 999.9 170  3.6 12.3 999 9999.9 1020.7 99.9 99.9 99.9            
202427918201GTLM4   19  21.7 999.9 170  2.6  9.8 999 9999.9 1020.3 99.9 99.9 99.9            
202427918301GTLM4   19  21.7 999.9 160  4.1  9.8 999 9999.9 1020.0 99.9 99.9 99.9            
202427918401GTLM4   19  22.1 999.9 180  4.1 10.3 999 9999.9 1020.0 99.9 99.9 99.9            
202427918501GTLM4   19  21.7 999.9 160  3.1  9.8 999 9999.9 1020.0 99.9 99.9 99.9            
202427919001GTLM4   19  22.3 999.9 170  1.5  8.2 999 9999.9 1019.6 99.9 99.9 99.9            
202427919101GTLM4   19  22.3 999.9 140  2.1  9.3 999 9999.9 1019.3 99.9 99.9 99.9            
202427919201GTLM4   19  22.2 999.9 160  3.1 10.3 999 9999.9 1019.0 99.9 99.9 99.9            
202427919201GTLM4   19  22.2 999.9 160  3.1 12.3 999 9999.9 1019.0 99.9 99.9 99.9            
202427919301GTLM4   19  22.1 999.9 160  5.1 10.3 999 9999.9 1018.6 99.9 99.9 99.9            
202427919401GTLM4   19  22.1 999.9 180  4.1 10.3 999 9999.9 1019.0 99.9 99.9 99.9            
202427919501GTLM4   19  22.3 999.9 160  4.1  8.2 999 9999.9 1018.6 99.9 99.9 99.9            
202427920001GTLM4   19  22.4 999.9 170  3.6  8.2 999 9999.9 1018.3 99.9 99.9 99.9            
202427920101GTLM4   19  22.2 999.9 170  3.6  9.8 999 9999.9 1017.9 99.9 99.9 99.9            
202427920201GTLM4   19  22.1 999.9 160  4.1  8.7 999 9999.9 1017.9 99.9 99.9 99.9            
202427920201GTLM4   19  22.1 999.9 160  4.1 10.3 999 9999.9 1017.9 99.9 99.9 99.9            
202427920301GTLM4   19  22.3 999.9 160  4.1  6.7 999 9999.9 1017.6 99.9 99.9 99.9            
202427920401GTLM4   19  22.4 999.9 180  3.1  8.7 999 9999.9 1017.3 99.9 99.9 99.9            
202427920501GTLM4   19  21.8 999.9 170  3.6  8.2 999 9999.9 1017.3 99.9 99.9 99.9            
202427921001GTLM4   19  21.7 999.9 180  3.1  6.7 999 9999.9 1016.9 99.9 99.9 99.9            
202427921101GTLM4   19  21.4 999.9 170  2.1  6.2 999 9999.9 1016.9 99.9 99.9 99.9            
202427921201GTLM4   19  20.4 999.9 160  2.6  6.2 999 9999.9 1016.6 99.9 99.9 99.9            
202427921301GTLM4   19  20.3 999.9 160  2.6  8.2 999 9999.9 1016.3 99.9 99.9 99.9            
202427921401GTLM4   19  20.5 999.9 150  2.6  7.2 999 9999.9 1016.3 99.9 99.9 99.9            
202427921501GTLM4   19  20.3 999.9 150  5.1  8.7 999 9999.9 1015.9 99.9 99.9 99.9            
202427922001GTLM4   19  20.0 999.9 160  2.6  7.7 999 9999.9 1015.6 99.9 99.9 99.9            
202427922101GTLM4   19  20.5 999.9 150  3.1  8.2 999 9999.9 1015.2 99.9 99.9 99.9            
202427922201GTLM4   19  20.3 999.9 150  3.1  7.7 999 9999.9 1014.9 99.9 99.9 99.9            
202427922201GTLM4   19  20.3 999.9 150  3.1  8.7 999 9999.9 1014.9 99.9 99.9 99.9            
202427922301GTLM4   19  20.0 999.9 160  3.6  8.2 999 9999.9 1014.6 99.9 99.9 99.9            
202427922401GTLM4   19  19.4 999.9 150  4.1  7.2 999 9999.9 1014.9 99.9 99.9 99.9            
202427922501GTLM4   19  19.2 999.9 150  3.1  7.7 999 9999.9 1014.6 99.9 99.9 99.9            
202427923001GTLM4   19  19.3 999.9 140  3.6  8.2 999 9999.9 1014.6 99.9 99.9 99.9            
202427923101GTLM4   19  19.3 999.9 150  4.6  8.7 999 9999.9 1014.2 99.9 99.9 99.9            
202427923201GTLM4   19  19.0 999.9 160  3.6  8.7 999 9999.9 1013.9 99.9 99.9 99.9            
202427923301GTLM4   19  18.8 999.9 170  2.6  8.2 999 9999.9 1013.9 99.9 99.9 99.9            
202427923401GTLM4   19  19.0 999.9 150  4.1  8.7 999 9999.9 1013.9 99.9 99.9 99.9            
202427923501GTLM4   19  19.1 999.9 160  3.6  6.7 999 9999.9 1013.9 99.9 99.9 99.9
  New Graph (click on parameter):                                      
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147 matching elements
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This Web page created and maintained by Greg Lang, NOAA/GLERL,
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