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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: 2246 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 (168)
 (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            F     F  Deg  kts  kts  %   W/m2   inHg    F    ft   s 202516800001GTLM4 19 64.4 999.9 230 9.9 14.0 999 9999.9 29.90 99.9 99.9 99.9 202516800101GTLM4 19 63.9 999.9 240 9.9 13.0 999 9999.9 29.90 99.9 99.9 99.9 202516800201GTLM4 19 63.1 999.9 240 7.0 9.9 999 9999.9 29.90 99.9 99.9 99.9 202516800241GTLM4 19 63.1 999.9 240 6.0 15.9 999 9999.9 29.90 99.9 99.9 99.9 202516800301GTLM4 19 62.8 999.9 240 6.0 7.0 999 9999.9 29.90 99.9 99.9 99.9 202516800501GTLM4 19 62.4 999.9 240 5.1 7.0 999 9999.9 29.89 99.9 99.9 99.9 202516801001GTLM4 19 63.0 999.9 220 2.9 6.0 999 9999.9 29.88 99.9 99.9 99.9 202516801101GTLM4 19 63.0 999.9 0 0.0 2.9 999 9999.9 29.89 99.9 99.9 99.9 202516801201GTLM4 19 62.1 999.9 40 1.0 4.1 999 9999.9 29.88 99.9 99.9 99.9 202516801251GTLM4 19 61.7 999.9 100 1.9 7.0 999 9999.9 29.88 99.9 99.9 99.9 202516801301GTLM4 19 61.7 999.9 90 2.9 4.1 999 9999.9 29.88 99.9 99.9 99.9 202516801401GTLM4 19 62.1 999.9 150 5.1 6.0 999 9999.9 29.87 99.9 99.9 99.9 202516801501GTLM4 19 62.1 999.9 160 4.1 6.0 999 9999.9 29.87 99.9 99.9 99.9 202516802001GTLM4 19 61.9 999.9 160 1.9 4.1 999 9999.9 29.88 99.9 99.9 99.9 202516802101GTLM4 19 62.1 999.9 140 5.1 7.0 999 9999.9 29.88 99.9 99.9 99.9 202516802201GTLM4 19 62.2 999.9 210 1.9 6.0 999 9999.9 29.88 99.9 99.9 99.9 202516802251GTLM4 19 62.1 999.9 90 1.9 7.0 999 9999.9 29.88 99.9 99.9 99.9 202516802301GTLM4 19 61.7 999.9 80 1.9 4.1 999 9999.9 29.88 99.9 99.9 99.9 202516802401GTLM4 19 61.0 999.9 120 1.9 5.1 999 9999.9 29.88 99.9 99.9 99.9 202516802501GTLM4 19 60.8 999.9 100 1.9 4.1 999 9999.9 29.88 99.9 99.9 99.9 202516803001GTLM4 19 60.4 999.9 130 1.0 2.9 999 9999.9 29.89 99.9 99.9 99.9 202516803101GTLM4 19 59.9 999.9 90 1.9 2.9 999 9999.9 29.89 99.9 99.9 99.9 202516803201GTLM4 19 59.5 999.9 0 0.0 1.9 999 9999.9 29.89 99.9 99.9 99.9 202516803261GTLM4 19 59.4 999.9 120 4.1 5.1 999 9999.9 29.89 99.9 99.9 99.9 202516803301GTLM4 19 59.4 999.9 140 4.1 5.1 999 9999.9 29.89 99.9 99.9 99.9 202516803401GTLM4 19 59.7 999.9 150 2.9 6.0 999 9999.9 29.89 99.9 99.9 99.9 202516803501GTLM4 19 60.4 999.9 160 4.1 8.0 999 9999.9 29.88 99.9 99.9 99.9 202516804001GTLM4 19 61.7 999.9 140 5.1 8.0 999 9999.9 29.88 99.9 99.9 99.9 202516804101GTLM4 19 63.0 999.9 150 4.1 7.0 999 9999.9 29.88 99.9 99.9 99.9 202516804201GTLM4 19 63.0 999.9 140 2.9 6.0 999 9999.9 29.87 99.9 99.9 99.9 202516804261GTLM4 19 62.6 999.9 150 5.1 8.0 999 9999.9 29.87 99.9 99.9 99.9 202516804301GTLM4 19 62.6 999.9 140 4.1 7.0 999 9999.9 29.86 99.9 99.9 99.9 202516804401GTLM4 19 62.4 999.9 150 5.1 8.0 999 9999.9 29.86 99.9 99.9 99.9 202516804501GTLM4 19 63.5 999.9 150 6.0 8.9 999 9999.9 29.85 99.9 99.9 99.9 202516805001GTLM4 19 64.6 999.9 150 6.0 8.9 999 9999.9 29.84 99.9 99.9 99.9 202516805101GTLM4 19 65.1 999.9 160 6.0 8.9 999 9999.9 29.84 99.9 99.9 99.9 202516805201GTLM4 19 65.7 999.9 160 7.0 11.1 999 9999.9 29.84 99.9 99.9 99.9 202516805261GTLM4 19 65.8 999.9 170 5.1 12.1 999 9999.9 29.84 99.9 99.9 99.9 202516805301GTLM4 19 66.0 999.9 180 5.1 12.1 999 9999.9 29.84 99.9 99.9 99.9 202516805401GTLM4 19 65.8 999.9 170 6.0 9.9 999 9999.9 29.83 99.9 99.9 99.9 202516805501GTLM4 19 65.8 999.9 170 6.0 8.9 999 9999.9 29.83 99.9 99.9 99.9 202516806001GTLM4 19 65.7 999.9 160 5.1 9.9 999 9999.9 29.83 99.9 99.9 99.9 202516806101GTLM4 19 65.5 999.9 160 6.0 12.1 999 9999.9 29.82 99.9 99.9 99.9 202516806201GTLM4 19 65.7 999.9 170 5.1 11.1 999 9999.9 29.82 99.9 99.9 99.9 202516806271GTLM4 19 65.8 999.9 160 6.0 12.1 999 9999.9 29.82 99.9 99.9 99.9 202516806301GTLM4 19 66.0 999.9 170 6.0 11.1 999 9999.9 29.82 99.9 99.9 99.9 202516806401GTLM4 19 66.4 999.9 160 5.1 11.1 999 9999.9 29.81 99.9 99.9 99.9 202516806501GTLM4 19 66.7 999.9 170 6.0 9.9 999 9999.9 29.81 99.9 99.9 99.9 202516807001GTLM4 19 66.9 999.9 170 5.1 9.9 999 9999.9 29.81 99.9 99.9 99.9 202516807101GTLM4 19 66.9 999.9 180 7.0 12.1 999 9999.9 29.81 99.9 99.9 99.9 202516807201GTLM4 19 67.3 999.9 170 5.1 9.9 999 9999.9 29.80 99.9 99.9 99.9 202516807271GTLM4 19 67.5 999.9 170 6.0 12.1 999 9999.9 29.80 99.9 99.9 99.9 202516807301GTLM4 19 67.5 999.9 170 5.1 9.9 999 9999.9 29.80 99.9 99.9 99.9 202516807401GTLM4 19 67.6 999.9 180 5.1 12.1 999 9999.9 29.80 99.9 99.9 99.9 202516807501GTLM4 19 67.8 999.9 180 6.0 11.1 999 9999.9 29.80 99.9 99.9 99.9 202516808001GTLM4 19 67.8 999.9 170 6.0 9.9 999 9999.9 29.79 99.9 99.9 99.9 202516808101GTLM4 19 67.8 999.9 170 6.0 11.1 999 9999.9 29.79 99.9 99.9 99.9 202516808201GTLM4 19 67.8 999.9 160 4.1 9.9 999 9999.9 29.79 99.9 99.9 99.9 202516808281GTLM4 19 67.8 999.9 170 5.1 12.1 999 9999.9 29.78 99.9 99.9 99.9 202516808301GTLM4 19 67.8 999.9 160 5.1 11.1 999 9999.9 29.78 99.9 99.9 99.9 202516808401GTLM4 19 67.6 999.9 160 5.1 12.1 999 9999.9 29.78 99.9 99.9 99.9 202516808501GTLM4 19 67.6 999.9 180 6.0 9.9 999 9999.9 29.78 99.9 99.9 99.9 202516809001GTLM4 19 67.6 999.9 170 7.0 13.0 999 9999.9 29.78 99.9 99.9 99.9 202516809101GTLM4 19 67.5 999.9 160 6.0 14.0 999 9999.9 29.77 99.9 99.9 99.9 202516809201GTLM4 19 67.3 999.9 170 7.0 11.1 999 9999.9 29.77 99.9 99.9 99.9 202516809281GTLM4 19 67.1 999.9 160 7.0 14.0 999 9999.9 29.76 99.9 99.9 99.9 202516809301GTLM4 19 66.7 999.9 160 7.0 12.1 999 9999.9 29.76 99.9 99.9 99.9 202516809401GTLM4 19 66.4 999.9 170 5.1 12.1 999 9999.9 29.76 99.9 99.9 99.9 202516809501GTLM4 19 66.0 999.9 180 5.1 11.1 999 9999.9 29.77 99.9 99.9 99.9 202516810001GTLM4 19 66.0 999.9 180 6.0 12.1 999 9999.9 29.76 99.9 99.9 99.9 202516810101GTLM4 19 66.2 999.9 180 7.0 13.0 999 9999.9 29.76 99.9 99.9 99.9 202516810201GTLM4 19 66.6 999.9 170 5.1 11.1 999 9999.9 29.75 99.9 99.9 99.9 202516810281GTLM4 19 66.9 999.9 180 7.0 13.0 999 9999.9 29.75 99.9 99.9 99.9 202516810301GTLM4 19 67.1 999.9 180 6.0 11.1 999 9999.9 29.75 99.9 99.9 99.9 202516810401GTLM4 19 67.5 999.9 190 7.0 13.0 999 9999.9 29.76 99.9 99.9 99.9 202516810501GTLM4 19 68.2 999.9 190 8.0 13.0 999 9999.9 29.75 99.9 99.9 99.9 202516811291GTLM4 19 70.5 999.9 180 7.0 14.0 999 9999.9 29.74 99.9 99.9 99.9 202516811401GTLM4 19 68.7 999.9 190 8.0 15.0 999 9999.9 29.74 99.9 99.9 99.9 202516811501GTLM4 19 69.4 999.9 180 8.0 15.0 999 9999.9 29.73 99.9 99.9 99.9 202516812001GTLM4 19 70.5 999.9 180 8.0 14.0 999 9999.9 29.73 99.9 99.9 99.9 202516812101GTLM4 19 71.1 999.9 180 7.0 15.9 999 9999.9 29.73 99.9 99.9 99.9 202516812201GTLM4 19 72.5 999.9 200 7.0 16.9 999 9999.9 29.74 99.9 99.9 99.9 202516812291GTLM4 19 72.7 999.9 190 7.0 16.9 999 9999.9 29.74 99.9 99.9 99.9 202516812301GTLM4 19 70.5 999.9 190 5.1 15.9 999 9999.9 29.74 99.9 99.9 99.9 202516812401GTLM4 19 67.1 999.9 180 5.1 9.9 999 9999.9 29.74 99.9 99.9 99.9 202516812501GTLM4 19 66.9 999.9 180 5.1 9.9 999 9999.9 29.74 99.9 99.9 99.9 202516813001GTLM4 19 68.2 999.9 180 6.0 13.0 999 9999.9 29.74 99.9 99.9 99.9 202516813101GTLM4 19 70.0 999.9 190 4.1 8.9 999 9999.9 29.74 99.9 99.9 99.9 202516813201GTLM4 19 69.6 999.9 180 4.1 11.1 999 9999.9 29.73 99.9 99.9 99.9 202516813301GTLM4 19 71.1 999.9 190 5.1 11.1 999 9999.9 29.73 99.9 99.9 99.9 202516813301GTLM4 19 71.1 999.9 190 5.1 13.0 999 9999.9 29.73 99.9 99.9 99.9 202516813401GTLM4 19 71.4 999.9 200 6.0 12.1 999 9999.9 29.73 99.9 99.9 99.9 202516813501GTLM4 19 71.8 999.9 200 6.0 13.0 999 9999.9 29.73 99.9 99.9 99.9 202516814001GTLM4 19 71.4 999.9 200 8.0 15.0 999 9999.9 29.74 99.9 99.9 99.9 202516814101GTLM4 19 70.9 999.9 200 7.0 15.0 999 9999.9 29.75 99.9 99.9 99.9 202516814201GTLM4 19 68.7 999.9 220 7.0 15.0 999 9999.9 29.74 99.9 99.9 99.9 202516814301GTLM4 19 66.9 999.9 240 19.0 21.0 999 9999.9 29.77 99.9 99.9 99.9 202516814301GTLM4 19 66.9 999.9 240 19.0 21.0 999 9999.9 29.82 99.9 99.9 99.9 202516814401GTLM4 19 64.9 999.9 230 8.9 21.0 999 9999.9 29.75 99.9 99.9 99.9 202516814501GTLM4 19 64.6 999.9 220 9.9 15.0 999 9999.9 29.74 99.9 99.9 99.9 202516815001GTLM4 19 66.9 999.9 220 8.0 14.0 999 9999.9 29.74 99.9 99.9 99.9 202516815101GTLM4 19 70.2 999.9 240 11.1 13.0 999 9999.9 29.75 99.9 99.9 99.9 202516815201GTLM4 19 67.5 999.9 220 11.1 16.9 999 9999.9 29.74 99.9 99.9 99.9 202516815301GTLM4 19 67.3 999.9 230 14.0 21.0 999 9999.9 29.74 99.9 99.9 99.9 202516815301GTLM4 19 67.3 999.9 230 14.0 21.0 999 9999.9 29.75 99.9 99.9 99.9 202516815401GTLM4 19 66.9 999.9 240 14.0 15.9 999 9999.9 29.75 99.9 99.9 99.9 202516815501GTLM4 19 66.4 999.9 240 15.0 19.0 999 9999.9 29.74 99.9 99.9 99.9 202516816001GTLM4 19 65.7 999.9 240 15.0 18.1 999 9999.9 29.74 99.9 99.9 99.9 202516816101GTLM4 19 68.4 999.9 230 15.0 20.0 999 9999.9 29.74 99.9 99.9 99.9 202516816201GTLM4 19 69.6 999.9 220 13.0 20.0 999 9999.9 29.74 99.9 99.9 99.9 202516816301GTLM4 19 69.8 999.9 250 16.9 19.0 999 9999.9 29.75 99.9 99.9 99.9 202516816311GTLM4 19 69.8 999.9 250 16.9 20.0 999 9999.9 29.75 99.9 99.9 99.9 202516816401GTLM4 19 66.0 999.9 260 18.1 22.0 999 9999.9 29.75 99.9 99.9 99.9 202516816501GTLM4 19 65.3 999.9 250 15.0 20.0 999 9999.9 29.76 99.9 99.9 99.9 202516817001GTLM4 19 63.9 999.9 250 21.0 22.9 999 9999.9 29.76 99.9 99.9 99.9 202516817101GTLM4 19 64.6 999.9 260 20.0 22.9 999 9999.9 29.78 99.9 99.9 99.9 202516817201GTLM4 19 63.5 999.9 250 20.0 22.9 999 9999.9 29.75 99.9 99.9 99.9 202516817301GTLM4 19 63.0 999.9 250 20.0 22.0 999 9999.9 29.76 99.9 99.9 99.9 202516817311GTLM4 19 63.0 999.9 250 20.0 22.9 999 9999.9 29.75 99.9 99.9 99.9 202516817401GTLM4 19 64.0 999.9 240 19.0 22.9 999 9999.9 29.75 99.9 99.9 99.9 202516817501GTLM4 19 63.0 999.9 250 20.0 22.0 999 9999.9 29.77 99.9 99.9 99.9 202516818001GTLM4 19 61.9 999.9 240 19.0 22.0 999 9999.9 29.77 99.9 99.9 99.9 202516818101GTLM4 19 63.5 999.9 240 16.9 22.9 999 9999.9 29.77 99.9 99.9 99.9 202516818201GTLM4 19 63.5 999.9 240 15.9 19.0 999 9999.9 29.77 99.9 99.9 99.9 202516818301GTLM4 19 65.5 999.9 240 13.0 18.1 999 9999.9 29.77 99.9 99.9 99.9 202516818321GTLM4 19 65.5 999.9 240 13.0 22.9 999 9999.9 29.77 99.9 99.9 99.9 202516818401GTLM4 19 68.0 999.9 240 15.0 18.1 999 9999.9 29.76 99.9 99.9 99.9 202516818501GTLM4 19 69.4 999.9 240 15.9 16.9 999 9999.9 29.77 99.9 99.9 99.9 202516819001GTLM4 19 68.4 999.9 240 16.9 19.0 999 9999.9 29.77 99.9 99.9 99.9 202516819101GTLM4 19 68.0 999.9 240 15.9 19.0 999 9999.9 29.77 99.9 99.9 99.9 202516819201GTLM4 19 68.7 999.9 240 15.0 18.1 999 9999.9 29.77 99.9 99.9 99.9 202516819301GTLM4 19 69.8 999.9 240 15.0 16.9 999 9999.9 29.77 99.9 99.9 99.9 202516819321GTLM4 19 69.8 999.9 240 15.0 19.0 999 9999.9 29.77 99.9 99.9 99.9 202516819401GTLM4 19 70.5 999.9 240 15.9 18.1 999 9999.9 29.76 99.9 99.9 99.9 202516819501GTLM4 19 71.4 999.9 240 15.9 18.1 999 9999.9 29.76 99.9 99.9 99.9 202516820001GTLM4 19 70.3 999.9 240 16.9 19.0 999 9999.9 29.76 99.9 99.9 99.9 202516820101GTLM4 19 69.1 999.9 240 14.0 19.0 999 9999.9 29.76 99.9 99.9 99.9 202516820201GTLM4 19 69.4 999.9 240 15.9 16.9 999 9999.9 29.76 99.9 99.9 99.9 202516820301GTLM4 19 71.2 999.9 240 14.0 15.9 999 9999.9 29.76 99.9 99.9 99.9 202516820321GTLM4 19 71.2 999.9 240 15.0 19.0 999 9999.9 29.76 99.9 99.9 99.9 202516820401GTLM4 19 71.4 999.9 240 14.0 15.9 999 9999.9 29.76 99.9 99.9 99.9 202516820501GTLM4 19 71.4 999.9 240 14.0 15.9 999 9999.9 29.76 99.9 99.9 99.9 202516821001GTLM4 19 70.9 999.9 240 15.0 16.9 999 9999.9 29.76 99.9 99.9 99.9 202516821101GTLM4 19 70.2 999.9 250 14.0 15.9 999 9999.9 29.76 99.9 99.9 99.9 202516821201GTLM4 19 69.8 999.9 250 12.1 15.9 999 9999.9 29.76 99.9 99.9 99.9 202516821301GTLM4 19 68.4 999.9 250 13.0 14.0 999 9999.9 29.76 99.9 99.9 99.9 202516821331GTLM4 19 68.4 999.9 250 13.0 16.9 999 9999.9 29.76 99.9 99.9 99.9 202516821401GTLM4 19 67.5 999.9 240 12.1 14.0 999 9999.9 29.76 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 4th data value plotted]
148 matching elements
0.019 sec

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