Skip to main content
NOAA / GLERL / CoastWatch Great Lakes Node / NOAAPORT Page

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: 1525 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 (019)
 (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
202501900001GTLM4   19  -6.1 999.9 320  6.7  9.3 999 9999.9 1017.3 99.9 99.9 99.9             
202501900101GTLM4   19  -6.1 999.9 310  6.7  9.3 999 9999.9 1017.3 99.9 99.9 99.9             
202501900201GTLM4   19  -6.1 999.9 310  8.7 10.3 999 9999.9 1017.6 99.9 99.9 99.9             
202501900301GTLM4   19  -6.1 999.9 330  7.7 10.3 999 9999.9 1017.6 99.9 99.9 99.9             
202501900401GTLM4   19  -6.0 999.9 330  7.2  9.8 999 9999.9 1017.6 99.9 99.9 99.9             
202501900501GTLM4   19  -6.1 999.9 320  7.7  9.8 999 9999.9 1017.6 99.9 99.9 99.9             
202501901001GTLM4   19  -6.3 999.9 310  5.7  9.8 999 9999.9 1017.6 99.9 99.9 99.9             
202501901101GTLM4   19  -6.3 999.9 310  7.2 10.3 999 9999.9 1017.6 99.9 99.9 99.9             
202501901201GTLM4   19  -6.5 999.9 320  7.2 10.3 999 9999.9 1017.9 99.9 99.9 99.9             
202501901301GTLM4   19  -6.4 999.9 330  7.2 12.9 999 9999.9 1017.9 99.9 99.9 99.9             
202501901401GTLM4   19  -6.3 999.9 310 10.8 12.9 999 9999.9 1017.9 99.9 99.9 99.9             
202501901501GTLM4   19  -6.5 999.9 310  9.3 12.3 999 9999.9 1017.9 99.9 99.9 99.9             
202501902001GTLM4   19  -6.5 999.9 310  9.3 12.3 999 9999.9 1017.9 99.9 99.9 99.9             
202501902101GTLM4   19  -6.9 999.9 320  9.3 12.9 999 9999.9 1018.6 99.9 99.9 99.9             
202501902201GTLM4   19  -7.0 999.9 330  9.3 12.9 999 9999.9 1018.6 99.9 99.9 99.9             
202501902301GTLM4   19  -7.1 999.9 310  9.3 12.9 999 9999.9 1018.6 99.9 99.9 99.9             
202501902401GTLM4   19  -7.3 999.9 320 10.3 12.3 999 9999.9 1018.6 99.9 99.9 99.9             
202501902501GTLM4   19  -7.4 999.9 330  9.3 12.3 999 9999.9 1018.6 99.9 99.9 99.9             
202501903001GTLM4   19  -7.5 999.9 310  7.7 12.9 999 9999.9 1018.6 99.9 99.9 99.9             
202501903101GTLM4   19  -7.4 999.9 320  9.8 14.9 999 9999.9 1018.6 99.9 99.9 99.9             
202501903201GTLM4   19  -7.8 999.9 330 10.3 12.3 999 9999.9 1018.6 99.9 99.9 99.9             
202501903301GTLM4   19  -7.7 999.9 320  9.8 11.8 999 9999.9 1018.6 99.9 99.9 99.9             
202501903401GTLM4   19  -7.8 999.9 320  7.2 11.3 999 9999.9 1019.0 99.9 99.9 99.9             
202501903501GTLM4   19  -7.8 999.9 310  7.7 12.9 999 9999.9 1019.0 99.9 99.9 99.9             
202501904001GTLM4   19  -7.8 999.9 320  8.7 12.9 999 9999.9 1018.6 99.9 99.9 99.9             
202501904101GTLM4   19  -8.0 999.9 300  9.3 11.8 999 9999.9 1018.6 99.9 99.9 99.9             
202501904201GTLM4   19  -8.2 999.9 320  9.8 12.3 999 9999.9 1019.0 99.9 99.9 99.9             
202501904301GTLM4   19  -8.3 999.9 320  8.7 11.8 999 9999.9 1019.0 99.9 99.9 99.9             
202501904401GTLM4   19  -8.3 999.9 330  8.7 11.8 999 9999.9 1019.0 99.9 99.9 99.9             
202501904501GTLM4   19  -8.4 999.9 300  7.7 11.8 999 9999.9 1019.0 99.9 99.9 99.9             
202501905001GTLM4   19  -8.5 999.9 320  7.2 10.8 999 9999.9 1019.0 99.9 99.9 99.9             
202501905101GTLM4   19  -8.6 999.9 310  8.7 10.8 999 9999.9 1019.0 99.9 99.9 99.9             
202501905201GTLM4   19  -8.7 999.9 300  7.7 11.3 999 9999.9 1019.0 99.9 99.9 99.9             
202501905301GTLM4   19  -8.8 999.9 320  9.3 11.8 999 9999.9 1019.3 99.9 99.9 99.9             
202501905401GTLM4   19  -9.0 999.9 310  8.7 10.8 999 9999.9 1019.3 99.9 99.9 99.9             
202501905501GTLM4   19  -8.9 999.9 310  8.2 10.8 999 9999.9 1019.3 99.9 99.9 99.9             
202501906001GTLM4   19  -8.9 999.9 320  7.2  9.3 999 9999.9 1019.3 99.9 99.9 99.9             
202501906101GTLM4   19  -9.1 999.9 300  7.7 10.8 999 9999.9 1019.3 99.9 99.9 99.9             
202501906201GTLM4   19  -9.0 999.9 310  8.7 11.8 999 9999.9 1019.3 99.9 99.9 99.9             
202501906301GTLM4   19  -9.0 999.9 290  7.7 10.8 999 9999.9 1019.3 99.9 99.9 99.9             
202501906401GTLM4   19  -9.1 999.9 300  9.3 10.3 999 9999.9 1019.3 99.9 99.9 99.9             
202501906501GTLM4   19  -9.4 999.9 310  6.7 10.8 999 9999.9 1019.3 99.9 99.9 99.9             
202501907001GTLM4   19  -9.2 999.9 310  8.2 11.8 999 9999.9 1019.0 99.9 99.9 99.9             
202501907101GTLM4   19  -9.4 999.9 310  8.2 10.3 999 9999.9 1019.3 99.9 99.9 99.9             
202501907201GTLM4   19  -9.4 999.9 300  8.2 11.3 999 9999.9 1019.3 99.9 99.9 99.9             
202501907301GTLM4   19  -9.4 999.9 300  8.2 10.8 999 9999.9 1019.3 99.9 99.9 99.9             
202501907401GTLM4   19  -9.5 999.9 290  6.7 10.3 999 9999.9 1019.3 99.9 99.9 99.9             
202501907501GTLM4   19  -9.6 999.9 300  6.7 10.3 999 9999.9 1019.3 99.9 99.9 99.9             
202501908001GTLM4   19  -9.5 999.9 310  9.8 10.8 999 9999.9 1019.3 99.9 99.9 99.9             
202501908101GTLM4   19  -9.5 999.9 310  8.2 11.3 999 9999.9 1019.3 99.9 99.9 99.9             
202501908201GTLM4   19  -9.7 999.9 310  7.7 11.3 999 9999.9 1019.3 99.9 99.9 99.9             
202501908301GTLM4   19  -9.5 999.9 320  8.2 11.8 999 9999.9 1019.3 99.9 99.9 99.9             
202501908401GTLM4   19  -9.6 999.9 310  8.7 10.8 999 9999.9 1019.3 99.9 99.9 99.9             
202501908501GTLM4   19 -10.0 999.9 310  8.2 10.8 999 9999.9 1019.3 99.9 99.9 99.9             
202501909001GTLM4   19  -9.7 999.9 310  8.2 12.3 999 9999.9 1019.3 99.9 99.9 99.9             
202501909101GTLM4   19  -9.9 999.9 300  7.7 10.8 999 9999.9 1019.3 99.9 99.9 99.9             
202501909201GTLM4   19 -10.1 999.9 300  8.2 10.8 999 9999.9 1019.0 99.9 99.9 99.9             
202501909301GTLM4   19  -9.9 999.9 310  7.2 11.8 999 9999.9 1019.0 99.9 99.9 99.9             
202501909401GTLM4   19 -10.0 999.9 290  7.7 10.8 999 9999.9 1019.0 99.9 99.9 99.9             
202501909501GTLM4   19  -9.9 999.9 330  8.2 10.3 999 9999.9 1019.0 99.9 99.9 99.9             
202501910001GTLM4   19 -10.1 999.9 310  8.7 11.8 999 9999.9 1018.6 99.9 99.9 99.9             
202501910101GTLM4   19 -10.1 999.9 310  9.3 11.3 999 9999.9 1018.6 99.9 99.9 99.9             
202501910201GTLM4   19 -10.3 999.9 300  7.7 11.8 999 9999.9 1018.6 99.9 99.9 99.9             
202501910301GTLM4   19 -10.3 999.9 310  7.7 11.3 999 9999.9 1018.6 99.9 99.9 99.9             
202501910401GTLM4   19 -10.4 999.9 310  8.2 10.8 999 9999.9 1018.6 99.9 99.9 99.9             
202501910501GTLM4   19 -10.2 999.9 320  7.7  9.3 999 9999.9 1018.6 99.9 99.9 99.9             
202501911501GTLM4   19 -10.1 999.9 320  8.2 10.3 999 9999.9 1018.3 99.9 99.9 99.9             
202501912001GTLM4   19 -10.1 999.9 320  8.2 11.3 999 9999.9 1018.6 99.9 99.9 99.9             
202501912101GTLM4   19 -10.1 999.9 320  8.7 10.8 999 9999.9 1018.3 99.9 99.9 99.9             
202501912201GTLM4   19 -10.3 999.9 310  7.2  9.8 999 9999.9 1018.6 99.9 99.9 99.9             
202501912301GTLM4   19 -10.4 999.9 310  7.7  9.8 999 9999.9 1018.6 99.9 99.9 99.9             
202501912401GTLM4   19 -10.7 999.9 310  6.7  9.3 999 9999.9 1018.6 99.9 99.9 99.9             
202501912501GTLM4   19 -10.3 999.9 320  8.7 10.3 999 9999.9 1018.6 99.9 99.9 99.9             
202501913001GTLM4   19 -10.2 999.9 320  8.7 10.3 999 9999.9 1018.6 99.9 99.9 99.9             
202501913101GTLM4   19 -10.2 999.9 320  8.2 11.3 999 9999.9 1019.0 99.9 99.9 99.9             
202501913201GTLM4   19 -10.3 999.9 310  7.7 10.3 999 9999.9 1019.0 99.9 99.9 99.9             
202501913301GTLM4   19 -10.5 999.9 300  7.2  9.3 999 9999.9 1019.0 99.9 99.9 99.9             
202501913401GTLM4   19 -10.5 999.9 300  7.2  9.8 999 9999.9 1019.0 99.9 99.9 99.9             
202501913501GTLM4   19 -10.5 999.9 310  6.7 10.8 999 9999.9 1019.0 99.9 99.9 99.9             
202501914001GTLM4   19 -10.4 999.9 330  7.7  9.8 999 9999.9 1019.0 99.9 99.9 99.9             
202501914101GTLM4   19 -10.4 999.9 320  8.7 11.3 999 9999.9 1019.3 99.9 99.9 99.9             
202501914201GTLM4   19 -10.2 999.9 310  8.7 10.3 999 9999.9 1019.3 99.9 99.9 99.9             
202501914301GTLM4   19 -10.3 999.9 320  6.7 12.3 999 9999.9 1019.3 99.9 99.9 99.9             
202501914401GTLM4   19 -10.4 999.9 320  8.7 10.8 999 9999.9 1019.3 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]
84 matching elements
0.021 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
[Return to NOAAPORT page]