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Realtime Great Lakes Weather Data and Marine Observations


GTRM4: NWS SupGrndTravBayMI                                  
CMAN Station
Lat: 47.18°, Lon: -88.24°
Elevation: 190 m
Anemometer Height: 10 m
Related Site: NDBC


Current Time: 0622 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 (062)
 (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 202403100001GTRM4 09 34.2 999.9 250 1.9 2.9 999 9999.9 30.00 99.9 99.9 99.9 202403100101GTRM4 09 34.2 999.9 210 1.0 4.1 999 9999.9 29.99 99.9 99.9 99.9 202403100201GTRM4 09 34.2 999.9 200 1.9 2.9 999 9999.9 29.99 99.9 99.9 99.9 202403100301GTRM4 09 34.0 999.9 220 1.9 2.9 999 9999.9 29.99 99.9 99.9 99.9 202403100401GTRM4 09 34.0 999.9 190 1.0 2.9 999 9999.9 29.99 99.9 99.9 99.9 202403100501GTRM4 09 34.0 999.9 200 1.9 4.1 999 9999.9 29.98 99.9 99.9 99.9 202403101001GTRM4 09 34.0 999.9 230 1.0 2.9 999 9999.9 29.98 99.9 99.9 99.9 202403101101GTRM4 09 34.0 999.9 220 1.9 4.1 999 9999.9 29.98 99.9 99.9 99.9 202403101201GTRM4 09 34.0 999.9 240 1.9 5.1 999 9999.9 29.99 99.9 99.9 99.9 202403101301GTRM4 09 34.0 999.9 220 1.9 4.1 999 9999.9 29.98 99.9 99.9 99.9 202403101401GTRM4 09 33.8 999.9 240 2.9 5.1 999 9999.9 29.98 99.9 99.9 99.9 202403101501GTRM4 09 33.8 999.9 240 1.9 5.1 999 9999.9 29.98 99.9 99.9 99.9 202403102001GTRM4 09 34.0 999.9 240 1.9 6.0 999 9999.9 29.98 99.9 99.9 99.9 202403102101GTRM4 09 34.3 999.9 240 2.9 7.0 999 9999.9 29.98 99.9 99.9 99.9 202403102201GTRM4 09 34.9 999.9 260 4.1 9.9 999 9999.9 29.98 99.9 99.9 99.9 202403102301GTRM4 09 35.1 999.9 250 5.1 9.9 999 9999.9 29.98 99.9 99.9 99.9 202403102401GTRM4 09 35.1 999.9 250 4.1 9.9 999 9999.9 29.97 99.9 99.9 99.9 202403102501GTRM4 09 35.2 999.9 240 5.1 11.1 999 9999.9 29.97 99.9 99.9 99.9 202403103001GTRM4 09 35.1 999.9 240 1.9 8.9 999 9999.9 29.97 99.9 99.9 99.9 202403103101GTRM4 09 35.1 999.9 260 5.1 11.1 999 9999.9 29.97 99.9 99.9 99.9 202403103201GTRM4 09 35.1 999.9 260 6.0 9.9 999 9999.9 29.97 99.9 99.9 99.9 202403103301GTRM4 09 34.9 999.9 260 8.0 11.1 999 9999.9 29.96 99.9 99.9 99.9 202403103401GTRM4 09 34.9 999.9 260 5.1 8.0 999 9999.9 29.96 99.9 99.9 99.9 202403103501GTRM4 09 34.9 999.9 260 6.0 8.9 999 9999.9 29.96 99.9 99.9 99.9 202403104001GTRM4 09 34.7 999.9 270 5.1 8.9 999 9999.9 29.97 99.9 99.9 99.9 202403104101GTRM4 09 34.9 999.9 250 6.0 9.9 999 9999.9 29.97 99.9 99.9 99.9 202403104201GTRM4 09 34.9 999.9 270 6.0 11.1 999 9999.9 29.97 99.9 99.9 99.9 202403104301GTRM4 09 34.9 999.9 260 7.0 11.1 999 9999.9 29.97 99.9 99.9 99.9 202403104401GTRM4 09 34.9 999.9 260 6.0 12.1 999 9999.9 29.97 99.9 99.9 99.9 202403104501GTRM4 09 34.9 999.9 260 5.1 11.1 999 9999.9 29.97 99.9 99.9 99.9 202403105001GTRM4 09 34.9 999.9 270 5.1 11.1 999 9999.9 29.98 99.9 99.9 99.9 202403105101GTRM4 09 35.1 999.9 250 6.0 9.9 999 9999.9 29.97 99.9 99.9 99.9 202403105201GTRM4 09 34.9 999.9 250 5.1 9.9 999 9999.9 29.97 99.9 99.9 99.9 202403105301GTRM4 09 35.1 999.9 240 5.1 11.1 999 9999.9 29.97 99.9 99.9 99.9 202403105401GTRM4 09 34.9 999.9 240 7.0 9.9 999 9999.9 29.96 99.9 99.9 99.9 202403105501GTRM4 09 34.9 999.9 220 6.0 8.9 999 9999.9 29.96 99.9 99.9 99.9 202403106001GTRM4 09 34.7 999.9 220 1.9 7.0 999 9999.9 29.96 99.9 99.9 99.9 202403106101GTRM4 09 34.7 999.9 230 5.1 8.0 999 9999.9 29.96 99.9 99.9 99.9 202403106201GTRM4 09 34.7 999.9 220 4.1 8.0 999 9999.9 29.95 99.9 99.9 99.9 202403106301GTRM4 09 34.7 999.9 230 4.1 8.0 999 9999.9 29.95 99.9 99.9 99.9 202403106401GTRM4 09 34.7 999.9 240 6.0 8.9 999 9999.9 29.95 99.9 99.9 99.9 202403106501GTRM4 09 34.7 999.9 230 5.1 8.9 999 9999.9 29.94 99.9 99.9 99.9 202403107001GTRM4 09 34.7 999.9 240 5.1 9.9 999 9999.9 29.95 99.9 99.9 99.9 202403107101GTRM4 09 34.5 999.9 230 2.9 8.0 999 9999.9 29.94 99.9 99.9 99.9 202403107201GTRM4 09 34.3 999.9 240 2.9 8.0 999 9999.9 29.94 99.9 99.9 99.9 202403107301GTRM4 09 34.5 999.9 240 4.1 8.9 999 9999.9 29.95 99.9 99.9 99.9 202403107401GTRM4 09 34.3 999.9 230 2.9 7.0 999 9999.9 29.95 99.9 99.9 99.9 202403107501GTRM4 09 34.0 999.9 230 2.9 6.0 999 9999.9 29.95 99.9 99.9 99.9 202403108001GTRM4 09 33.8 999.9 240 1.9 4.1 999 9999.9 29.95 99.9 99.9 99.9 202403108101GTRM4 09 33.4 999.9 230 2.9 5.1 999 9999.9 29.95 99.9 99.9 99.9 202403108201GTRM4 09 32.9 999.9 220 2.9 5.1 999 9999.9 29.95 99.9 99.9 99.9 202403108301GTRM4 09 32.7 999.9 230 2.9 5.1 999 9999.9 29.94 99.9 99.9 99.9 202403108401GTRM4 09 32.7 999.9 220 2.9 7.0 999 9999.9 29.94 99.9 99.9 99.9 202403108501GTRM4 09 32.5 999.9 220 2.9 6.0 999 9999.9 29.94 99.9 99.9 99.9 202403109001GTRM4 09 32.4 999.9 210 2.9 5.1 999 9999.9 29.93 99.9 99.9 99.9 202403109101GTRM4 09 32.2 999.9 220 1.9 6.0 999 9999.9 29.93 99.9 99.9 99.9 202403109201GTRM4 09 32.2 999.9 210 4.1 8.0 999 9999.9 29.92 99.9 99.9 99.9 202403109301GTRM4 09 32.5 999.9 210 4.1 8.9 999 9999.9 29.91 99.9 99.9 99.9 202403109401GTRM4 09 32.7 999.9 230 5.1 8.9 999 9999.9 29.91 99.9 99.9 99.9 202403109501GTRM4 09 32.4 999.9 230 2.9 8.0 999 9999.9 29.91 99.9 99.9 99.9 202403110001GTRM4 09 32.2 999.9 240 2.9 7.0 999 9999.9 29.91 99.9 99.9 99.9 202403110101GTRM4 09 32.0 999.9 240 2.9 7.0 999 9999.9 29.91 99.9 99.9 99.9 202403110201GTRM4 09 31.8 999.9 240 2.9 7.0 999 9999.9 29.90 99.9 99.9 99.9 202403110301GTRM4 09 31.6 999.9 240 2.9 7.0 999 9999.9 29.90 99.9 99.9 99.9 202403110401GTRM4 09 31.6 999.9 230 1.9 5.1 999 9999.9 29.89 99.9 99.9 99.9 202403110501GTRM4 09 31.8 999.9 240 1.9 6.0 999 9999.9 29.89 99.9 99.9 99.9 202403111001GTRM4 09 32.0 999.9 230 2.9 6.0 999 9999.9 29.89 99.9 99.9 99.9 202403111101GTRM4 09 32.2 999.9 220 2.9 7.0 999 9999.9 29.88 99.9 99.9 99.9 202403111201GTRM4 09 32.4 999.9 230 2.9 6.0 999 9999.9 29.88 99.9 99.9 99.9 202403111301GTRM4 09 32.4 999.9 230 2.9 6.0 999 9999.9 29.88 99.9 99.9 99.9 202403111401GTRM4 09 32.5 999.9 230 4.1 7.0 999 9999.9 29.88 99.9 99.9 99.9 202403111501GTRM4 09 32.7 999.9 230 4.1 6.0 999 9999.9 29.87 99.9 99.9 99.9 202403112001GTRM4 09 32.7 999.9 230 2.9 7.0 999 9999.9 29.87 99.9 99.9 99.9 202403112101GTRM4 09 32.9 999.9 220 1.9 8.0 999 9999.9 29.86 99.9 99.9 99.9 202403112201GTRM4 09 32.9 999.9 230 4.1 6.0 999 9999.9 29.86 99.9 99.9 99.9 202403112301GTRM4 09 32.9 999.9 230 2.9 8.0 999 9999.9 29.86 99.9 99.9 99.9 202403112401GTRM4 09 32.9 999.9 240 4.1 8.9 999 9999.9 29.85 99.9 99.9 99.9 202403112501GTRM4 09 33.1 999.9 230 5.1 8.9 999 9999.9 29.85 99.9 99.9 99.9 202403113001GTRM4 09 33.3 999.9 230 6.0 9.9 999 9999.9 29.84 99.9 99.9 99.9 202403113101GTRM4 09 33.3 999.9 230 5.1 9.9 999 9999.9 29.84 99.9 99.9 99.9 202403113201GTRM4 09 33.3 999.9 230 4.1 9.9 999 9999.9 29.84 99.9 99.9 99.9 202403113301GTRM4 09 33.4 999.9 230 5.1 8.9 999 9999.9 29.84 99.9 99.9 99.9 202403113401GTRM4 09 33.6 999.9 230 5.1 8.0 999 9999.9 29.84 99.9 99.9 99.9 202403113501GTRM4 09 33.8 999.9 230 4.1 9.9 999 9999.9 29.83 99.9 99.9 99.9 202403114001GTRM4 09 34.7 999.9 240 2.9 8.0 999 9999.9 29.83 99.9 99.9 99.9 202403114101GTRM4 09 34.9 999.9 230 5.1 8.0 999 9999.9 29.83 99.9 99.9 99.9 202403114201GTRM4 09 35.1 999.9 240 5.1 8.0 999 9999.9 29.82 99.9 99.9 99.9 202403114301GTRM4 09 35.6 999.9 230 5.1 8.9 999 9999.9 29.82 99.9 99.9 99.9 202403114401GTRM4 09 36.3 999.9 240 5.1 8.0 999 9999.9 29.81 99.9 99.9 99.9 202403114501GTRM4 09 36.9 999.9 230 6.0 9.9 999 9999.9 29.81 99.9 99.9 99.9 202403115001GTRM4 09 37.6 999.9 240 6.0 11.1 999 9999.9 29.80 99.9 99.9 99.9 202403115101GTRM4 09 38.5 999.9 250 7.0 13.0 999 9999.9 29.81 99.9 99.9 99.9 202403115201GTRM4 09 39.6 999.9 250 6.0 13.0 999 9999.9 29.80 99.9 99.9 99.9 202403115301GTRM4 09 39.9 999.9 250 8.0 12.1 999 9999.9 29.80 99.9 99.9 99.9 202403115401GTRM4 09 41.0 999.9 260 6.0 12.1 999 9999.9 29.80 99.9 99.9 99.9 202403115501GTRM4 09 41.4 999.9 250 6.0 14.0 999 9999.9 29.79 99.9 99.9 99.9 202403116001GTRM4 09 41.2 999.9 260 8.0 12.1 999 9999.9 29.79 99.9 99.9 99.9 202403116101GTRM4 09 41.7 999.9 280 11.1 16.9 999 9999.9 29.79 99.9 99.9 99.9 202403116201GTRM4 09 41.5 999.9 270 8.9 19.0 999 9999.9 29.79 99.9 99.9 99.9 202403116301GTRM4 09 41.5 999.9 270 8.9 18.1 999 9999.9 29.79 99.9 99.9 99.9 202403116401GTRM4 09 41.7 999.9 280 8.0 15.9 999 9999.9 29.78 99.9 99.9 99.9 202403116501GTRM4 09 41.7 999.9 280 9.9 19.0 999 9999.9 29.78 99.9 99.9 99.9 202403117001GTRM4 09 40.6 999.9 270 16.9 25.1 999 9999.9 29.78 99.9 99.9 99.9 202403117101GTRM4 09 39.7 999.9 270 11.1 21.0 999 9999.9 29.78 99.9 99.9 99.9 202403117201GTRM4 09 39.0 999.9 280 15.9 23.9 999 9999.9 29.78 99.9 99.9 99.9 202403117301GTRM4 09 39.0 999.9 280 12.1 22.9 999 9999.9 29.78 99.9 99.9 99.9 202403117401GTRM4 09 38.8 999.9 280 12.1 22.9 999 9999.9 29.78 99.9 99.9 99.9 202403117501GTRM4 09 38.5 999.9 280 14.0 22.9 999 9999.9 29.78 99.9 99.9 99.9 202403118001GTRM4 09 38.3 999.9 280 9.9 20.0 999 9999.9 29.78 99.9 99.9 99.9 202403118101GTRM4 09 38.3 999.9 280 12.1 22.0 999 9999.9 29.78 99.9 99.9 99.9 202403118201GTRM4 09 38.1 999.9 280 14.0 22.0 999 9999.9 29.79 99.9 99.9 99.9 202403118301GTRM4 09 38.1 999.9 280 12.1 22.9 999 9999.9 29.79 99.9 99.9 99.9 202403118401GTRM4 09 38.1 999.9 280 11.1 25.1 999 9999.9 29.78 99.9 99.9 99.9 202403118501GTRM4 09 37.9 999.9 270 12.1 23.9 999 9999.9 29.78 99.9 99.9 99.9 202403119001GTRM4 09 37.9 999.9 280 13.0 21.0 999 9999.9 29.78 99.9 99.9 99.9 202403119101GTRM4 09 37.9 999.9 280 12.1 26.0 999 9999.9 29.78 99.9 99.9 99.9 202403119201GTRM4 09 38.3 999.9 290 13.0 22.9 999 9999.9 29.77 99.9 99.9 99.9 202403119301GTRM4 09 38.3 999.9 280 14.0 22.0 999 9999.9 29.77 99.9 99.9 99.9 202403119401GTRM4 09 38.7 999.9 280 14.0 21.0 999 9999.9 29.76 99.9 99.9 99.9 202403119501GTRM4 09 38.8 999.9 290 13.0 22.9 999 9999.9 29.76 99.9 99.9 99.9 202403120001GTRM4 09 39.0 999.9 280 13.0 21.0 999 9999.9 29.76 99.9 99.9 99.9 202403120001GTRM4 09 39.0 999.9 280 13.0 21.0 999 9999.9 29.76 99.9 99.9 99.9 202403120101GTRM4 09 39.0 999.9 290 15.0 22.0 999 9999.9 29.77 99.9 99.9 99.9 202403120201GTRM4 09 39.0 999.9 290 12.1 22.9 999 9999.9 29.76 99.9 99.9 99.9 202403120301GTRM4 09 39.2 999.9 290 13.0 24.1 999 9999.9 29.77 99.9 99.9 99.9 202403120401GTRM4 09 39.4 999.9 300 12.1 22.9 999 9999.9 29.76 99.9 99.9 99.9 202403120501GTRM4 09 39.6 999.9 290 14.0 24.1 999 9999.9 29.76 99.9 99.9 99.9 202403121001GTRM4 09 39.6 999.9 290 15.9 25.1 999 9999.9 29.77 99.9 99.9 99.9 202403121101GTRM4 09 39.6 999.9 290 16.9 25.1 999 9999.9 29.77 99.9 99.9 99.9 202403121201GTRM4 09 39.4 999.9 300 16.9 25.1 999 9999.9 29.77 99.9 99.9 99.9 202403121301GTRM4 09 39.6 999.9 300 13.0 26.0 999 9999.9 29.77 99.9 99.9 99.9 202403121401GTRM4 09 39.4 999.9 300 15.0 23.9 999 9999.9 29.77 99.9 99.9 99.9 202403121501GTRM4 09 39.2 999.9 300 12.1 22.0 999 9999.9 29.77 99.9 99.9 99.9 202403122001GTRM4 09 39.4 999.9 290 13.0 18.1 999 9999.9 29.77 99.9 99.9 99.9 202403122101GTRM4 09 39.4 999.9 290 8.9 16.9 999 9999.9 29.76 99.9 99.9 99.9 202403122201GTRM4 09 39.6 999.9 280 9.9 15.9 999 9999.9 29.76 99.9 99.9 99.9 202403122301GTRM4 09 39.6 999.9 290 8.9 15.9 999 9999.9 29.77 99.9 99.9 99.9 202403122401GTRM4 09 39.6 999.9 290 8.9 14.0 999 9999.9 29.77 99.9 99.9 99.9 202403122501GTRM4 09 39.6 999.9 280 7.0 12.1 999 9999.9 29.77 99.9 99.9 99.9 202403123001GTRM4 09 39.6 999.9 260 6.0 12.1 999 9999.9 29.76 99.9 99.9 99.9 202403123401GTRM4 09 39.9 999.9 260 5.1 8.9 999 9999.9 29.77 99.9 99.9 99.9 202403123501GTRM4 09 39.9 999.9 260 4.1 8.9 999 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 3rd data value plotted]
142 matching elements
0.041 sec

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