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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: 1425 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 (175)
 (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
202517500001GTLM4   19  73.0 999.9 240 25.1 29.0 999 9999.9  30.00 99.9 99.9 99.9
202517500101GTLM4   19  73.6 999.9 240 29.0 33.0 999 9999.9  30.00 99.9 99.9 99.9
202517500201GTLM4   19  73.6 999.9 260 26.0 29.9 999 9999.9  30.01 99.9 99.9 99.9
202517500301GTLM4   19  70.9 999.9 250 25.1 32.1 999 9999.9  30.07 99.9 99.9 99.9
202517500401GTLM4   19  71.8 999.9 240 22.9 29.9 999 9999.9  30.02 99.9 99.9 99.9
202517500501GTLM4   19  71.8 999.9 240 19.0 26.0 999 9999.9  30.02 99.9 99.9 99.9
202517500521GTLM4   19  71.8 999.9 230 19.0 99.9 999 9999.9  30.02 99.9 99.9 99.9
202517501001GTLM4   19  71.8 999.9 240 18.1 22.9 999 9999.9  30.01 99.9 99.9 99.9
202517501101GTLM4   19  71.4 999.9 240 15.0 22.0 999 9999.9  30.01 99.9 99.9 99.9
202517501201GTLM4   19  71.8 999.9 240 18.1 20.0 999 9999.9  30.01 99.9 99.9 99.9
202517501291GTLM4   19  71.1 999.9 260 14.0 28.0 999 9999.9  30.03 99.9 99.9 99.9
202517501301GTLM4   19  70.2 999.9 330 15.0 28.0 999 9999.9  30.03 99.9 99.9 99.9
202517501401GTLM4   19  67.6 999.9 270 14.0 19.0 999 9999.9  30.02 99.9 99.9 99.9
202517501501GTLM4   19  65.5 999.9 290  8.0 15.9 999 9999.9  30.03 99.9 99.9 99.9
202517501521GTLM4   19  65.5 999.9 260  8.9 99.9 999 9999.9  30.03 99.9 99.9 99.9
202517502001GTLM4   19  64.9 999.9 270  7.0 11.1 999 9999.9  30.02 99.9 99.9 99.9
202517502101GTLM4   19  64.2 999.9 240  6.0  7.0 999 9999.9  30.02 99.9 99.9 99.9
202517502201GTLM4   19  64.2 999.9 250  5.1  6.0 999 9999.9  30.06 99.9 99.9 99.9
202517502301GTLM4   19  64.2 999.9 250  7.0  8.9 999 9999.9  30.02 99.9 99.9 99.9
202517502401GTLM4   19  64.4 999.9 230  8.0  8.9 999 9999.9  30.02 99.9 99.9 99.9
202517502501GTLM4   19  64.8 999.9 220  7.0  9.9 999 9999.9  30.03 99.9 99.9 99.9
202517502531GTLM4   19  64.8 999.9 200  5.1  9.9 999 9999.9  30.03 99.9 99.9 99.9
202517503001GTLM4   19  65.7 999.9 220  4.1  8.0 999 9999.9  30.03 99.9 99.9 99.9
202517503101GTLM4   19  66.6 999.9 140  2.9  7.0 999 9999.9  30.03 99.9 99.9 99.9
202517503201GTLM4   19  65.3 999.9 190  2.9  8.9 999 9999.9  30.04 99.9 99.9 99.9
202517503301GTLM4   19  65.7 999.9 120  4.1  8.0 999 9999.9  30.04 99.9 99.9 99.9
202517503401GTLM4   19  65.7 999.9 150  4.1  6.0 999 9999.9  30.05 99.9 99.9 99.9
202517504001GTLM4   19  66.0 999.9 290  4.1  8.9 999 9999.9  30.06 99.9 99.9 99.9
202517504401GTLM4   19  67.8 999.9 270  7.0  8.9 999 9999.9  30.07 99.9 99.9 99.9
202517504501GTLM4   19  66.2 999.9 250  7.0  8.9 999 9999.9  30.08 99.9 99.9 99.9
202517505001GTLM4   19  65.5 999.9 250  8.0  8.9 999 9999.9  30.08 99.9 99.9 99.9
202517505001GTLM4   19  65.5 999.9 250  8.0 12.1 999 9999.9  30.08 99.9 99.9 99.9
202517505101GTLM4   19  64.9 999.9 260  9.9 14.0 999 9999.9  30.09 99.9 99.9 99.9
202517505201GTLM4   19  65.7 999.9 240  6.0 12.1 999 9999.9  30.08 99.9 99.9 99.9
202517505301GTLM4   19  65.5 999.9 250  7.0  9.9 999 9999.9  30.08 99.9 99.9 99.9
202517505401GTLM4   19  65.1 999.9 220  2.9  8.0 999 9999.9  30.07 99.9 99.9 99.9
202517505501GTLM4   19  64.8 999.9 240  4.1  6.0 999 9999.9  30.07 99.9 99.9 99.9
202517506001GTLM4   19  64.8 999.9 220  5.1  7.0 999 9999.9  30.07 99.9 99.9 99.9
202517506001GTLM4   19  64.8 999.9 220  5.1 14.0 999 9999.9  30.07 99.9 99.9 99.9
202517506101GTLM4   19  65.1 999.9 210  6.0  8.9 999 9999.9  30.06 99.9 99.9 99.9
202517506201GTLM4   19  66.2 999.9 290  5.1  8.9 999 9999.9  30.07 99.9 99.9 99.9
202517506301GTLM4   19  65.8 999.9 280  7.0  8.0 999 9999.9  30.09 99.9 99.9 99.9
202517506401GTLM4   19  64.9 999.9 230  5.1  9.9 999 9999.9  30.09 99.9 99.9 99.9
202517506501GTLM4   19  65.1 999.9 240  4.1  8.0 999 9999.9  30.07 99.9 99.9 99.9
202517507001GTLM4   19  64.9 999.9 220  5.1  6.0 999 9999.9  30.08 99.9 99.9 99.9
202517507011GTLM4   19  64.9 999.9 220  5.1  9.9 999 9999.9  30.08 99.9 99.9 99.9
202517507101GTLM4   19  65.1 999.9 240  6.0  8.0 999 9999.9  30.09 99.9 99.9 99.9
202517507201GTLM4   19  65.8 999.9 220  4.1 11.1 999 9999.9  30.09 99.9 99.9 99.9
202517507301GTLM4   19  66.9 999.9   0  0.0  7.0 999 9999.9  30.10 99.9 99.9 99.9
202517507401GTLM4   19  66.6 999.9   0  0.0  1.9 999 9999.9  30.09 99.9 99.9 99.9
202517507501GTLM4   19  66.2 999.9 250  7.0  8.0 999 9999.9  30.09 99.9 99.9 99.9
202517508001GTLM4   19  66.0 999.9 260  5.1  8.0 999 9999.9  30.08 99.9 99.9 99.9
202517508011GTLM4   19  66.0 999.9 260  5.1 11.1 999 9999.9  30.08 99.9 99.9 99.9
202517508101GTLM4   19  64.4 999.9 250  6.0  8.0 999 9999.9  30.09 99.9 99.9 99.9
202517508201GTLM4   19  63.9 999.9 240  9.9 12.1 999 9999.9  30.10 99.9 99.9 99.9
202517508301GTLM4   19  65.1 999.9 240 11.1 14.0 999 9999.9  30.09 99.9 99.9 99.9
202517508401GTLM4   19  66.7 999.9 240 11.1 15.0 999 9999.9  30.09 99.9 99.9 99.9
202517508501GTLM4   19  66.9 999.9 240  8.9 12.1 999 9999.9  30.09 99.9 99.9 99.9
202517509001GTLM4   19  66.6 999.9 240  8.9 12.1 999 9999.9  30.10 99.9 99.9 99.9
202517509021GTLM4   19  66.6 999.9 230  8.9 15.0 999 9999.9  30.10 99.9 99.9 99.9
202517509101GTLM4   19  66.7 999.9 250  9.9 12.1 999 9999.9  30.09 99.9 99.9 99.9
202517509201GTLM4   19  66.6 999.9 220  7.0 12.1 999 9999.9  30.10 99.9 99.9 99.9
202517509301GTLM4   19  67.3 999.9 230  5.1  9.9 999 9999.9  30.10 99.9 99.9 99.9
202517509401GTLM4   19  67.6 999.9 230  7.0  9.9 999 9999.9  30.11 99.9 99.9 99.9
202517509501GTLM4   19  67.8 999.9 250  6.0  8.9 999 9999.9  30.11 99.9 99.9 99.9
202517510001GTLM4   19  67.5 999.9 270  5.1  7.0 999 9999.9  30.11 99.9 99.9 99.9
202517510021GTLM4   19  67.5 999.9 280  5.1 12.1 999 9999.9  30.11 99.9 99.9 99.9
202517510101GTLM4   19  65.8 999.9 270  8.0  8.9 999 9999.9  30.11 99.9 99.9 99.9
202517510201GTLM4   19  64.4 999.9 240  8.0  9.9 999 9999.9  30.12 99.9 99.9 99.9
202517510301GTLM4   19  64.6 999.9 240  7.0 11.1 999 9999.9  30.13 99.9 99.9 99.9
202517510401GTLM4   19  65.5 999.9 250  1.9  8.0 999 9999.9  30.13 99.9 99.9 99.9
202517510501GTLM4   19  65.7 999.9 310  5.1  7.0 999 9999.9  30.12 99.9 99.9 99.9
202517511001GTLM4   19  64.6 999.9 260  1.9  7.0 999 9999.9  30.13 99.9 99.9 99.9
202517511021GTLM4   19  64.6 999.9 270  1.0 11.1 999 9999.9  30.13 99.9 99.9 99.9
202517511101GTLM4   19  63.5 999.9 310  6.0  6.0 999 9999.9  30.12 99.9 99.9 99.9
202517511201GTLM4   19  63.1 999.9 320  2.9  6.0 999 9999.9  30.13 99.9 99.9 99.9
202517511301GTLM4   19  62.2 999.9   0  0.0  1.9 999 9999.9  30.14 99.9 99.9 99.9
202517511401GTLM4   19  62.1 999.9 230  1.0  1.9 999 9999.9  30.15 99.9 99.9 99.9
202517511501GTLM4   19  62.2 999.9   0  0.0  2.9 999 9999.9  30.14 99.9 99.9 99.9
202517512001GTLM4   19  63.3 999.9   0  0.0  1.9 999 9999.9  30.15 99.9 99.9 99.9
202517512031GTLM4   19  63.3 999.9   0  0.0  6.0 999 9999.9  30.15 99.9 99.9 99.9
202517512101GTLM4   19  63.5 999.9   0  0.0  1.0 999 9999.9  30.15 99.9 99.9 99.9
202517512201GTLM4   19  62.8 999.9  50  1.0  2.9 999 9999.9  30.15 99.9 99.9 99.9
202517512301GTLM4   19  62.1 999.9  90  4.1  5.1 999 9999.9  30.15 99.9 99.9 99.9
202517512401GTLM4   19  61.5 999.9  80  5.1  6.0 999 9999.9  30.15 99.9 99.9 99.9
202517512501GTLM4   19  61.5 999.9  90  4.1  6.0 999 9999.9  30.15 99.9 99.9 99.9
202517513001GTLM4   19  62.6 999.9 240  1.9  5.1 999 9999.9  30.16 99.9 99.9 99.9
202517513031GTLM4   19  62.6 999.9 270  1.9  6.0 999 9999.9  30.16 99.9 99.9 99.9
202517513101GTLM4   19  63.5 999.9 200  1.9  2.9 999 9999.9  30.16 99.9 99.9 99.9
202517513201GTLM4   19  63.9 999.9 250  4.1  5.1 999 9999.9  30.16 99.9 99.9 99.9
202517513301GTLM4   19  64.4 999.9 240  4.1  4.1 999 9999.9  30.17 99.9 99.9 99.9
202517513401GTLM4   19  64.0 999.9 230  2.9  4.1 999 9999.9  30.16 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]
92 matching elements
0.026 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
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