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Realtime Great Lakes Weather Data and Marine Observations


GRMM4: NWS Grand Marais MI                                  
CMAN Station
Lat: 46.68°, Lon: -85.97°
Elevation: 186 m
Anemometer Height: 9 m
Related Site: NDBC


Current Time: 0619 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 (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 202403100001GRMM4 09 35.8 999.9 10 5.1 5.1 999 9999.9 29.99 99.9 99.9 99.9 202403100101GRMM4 09 35.8 999.9 360 4.1 5.1 999 9999.9 30.00 99.9 99.9 99.9 202403100201GRMM4 09 35.8 999.9 360 4.1 4.1 999 9999.9 30.00 99.9 99.9 99.9 202403100301GRMM4 09 35.8 999.9 360 5.1 6.0 999 9999.9 30.00 99.9 99.9 99.9 202403100401GRMM4 09 36.0 999.9 10 5.1 6.0 999 9999.9 30.00 99.9 99.9 99.9 202403100501GRMM4 09 36.1 999.9 340 5.1 6.0 999 9999.9 30.00 99.9 99.9 99.9 202403101001GRMM4 09 36.0 999.9 340 4.1 5.1 999 9999.9 30.00 99.9 99.9 99.9 202403101101GRMM4 09 36.0 999.9 350 5.1 6.0 999 9999.9 30.01 99.9 99.9 99.9 202403101201GRMM4 09 36.1 999.9 350 6.0 6.0 999 9999.9 30.00 99.9 99.9 99.9 202403101301GRMM4 09 36.1 999.9 360 4.1 6.0 999 9999.9 30.00 99.9 99.9 99.9 202403101401GRMM4 09 36.5 999.9 340 4.1 5.1 999 9999.9 30.00 99.9 99.9 99.9 202403101501GRMM4 09 36.1 999.9 320 6.0 8.9 999 9999.9 30.00 99.9 99.9 99.9 202403102001GRMM4 09 36.5 999.9 320 5.1 6.0 999 9999.9 30.00 99.9 99.9 99.9 202403102101GRMM4 09 36.1 999.9 320 6.0 7.0 999 9999.9 30.00 99.9 99.9 99.9 202403102201GRMM4 09 35.8 999.9 330 8.9 9.9 999 9999.9 30.00 99.9 99.9 99.9 202403102301GRMM4 09 36.0 999.9 320 7.0 9.9 999 9999.9 30.00 99.9 99.9 99.9 202403102401GRMM4 09 35.8 999.9 320 7.0 8.0 999 9999.9 30.00 99.9 99.9 99.9 202403102501GRMM4 09 36.1 999.9 320 8.9 11.1 999 9999.9 30.00 99.9 99.9 99.9 202403103001GRMM4 09 36.0 999.9 310 6.0 9.9 999 9999.9 30.00 99.9 99.9 99.9 202403103101GRMM4 09 35.6 999.9 300 8.0 8.9 999 9999.9 30.00 99.9 99.9 99.9 202403103201GRMM4 09 35.8 999.9 290 6.0 8.0 999 9999.9 29.99 99.9 99.9 99.9 202403103301GRMM4 09 35.6 999.9 270 6.0 7.0 999 9999.9 29.99 99.9 99.9 99.9 202403103401GRMM4 09 36.0 999.9 270 2.9 11.1 999 9999.9 29.99 99.9 99.9 99.9 202403103501GRMM4 09 36.0 999.9 270 4.1 4.1 999 9999.9 29.99 99.9 99.9 99.9 202403104001GRMM4 09 35.1 999.9 250 4.1 7.0 999 9999.9 29.99 99.9 99.9 99.9 202403104101GRMM4 09 35.1 999.9 290 8.0 8.9 999 9999.9 29.99 99.9 99.9 99.9 202403104201GRMM4 09 34.7 999.9 300 8.9 11.1 999 9999.9 30.00 99.9 99.9 99.9 202403104301GRMM4 09 34.7 999.9 290 8.0 9.9 999 9999.9 29.99 99.9 99.9 99.9 202403104401GRMM4 09 34.7 999.9 270 6.0 8.9 999 9999.9 30.00 99.9 99.9 99.9 202403104501GRMM4 09 34.2 999.9 260 7.0 7.0 999 9999.9 30.00 99.9 99.9 99.9 202403105001GRMM4 09 34.5 999.9 260 6.0 8.0 999 9999.9 30.01 99.9 99.9 99.9 202403105101GRMM4 09 34.3 999.9 260 6.0 7.0 999 9999.9 30.01 99.9 99.9 99.9 202403105201GRMM4 09 34.7 999.9 270 8.0 8.9 999 9999.9 30.01 99.9 99.9 99.9 202403105301GRMM4 09 34.5 999.9 290 8.0 8.9 999 9999.9 30.01 99.9 99.9 99.9 202403105401GRMM4 09 34.3 999.9 250 5.1 8.0 999 9999.9 30.01 99.9 99.9 99.9 202403105501GRMM4 09 34.7 999.9 250 5.1 7.0 999 9999.9 30.01 99.9 99.9 99.9 202403106001GRMM4 09 34.5 999.9 250 4.1 6.0 999 9999.9 30.01 99.9 99.9 99.9 202403106101GRMM4 09 34.5 999.9 250 5.1 6.0 999 9999.9 30.01 99.9 99.9 99.9 202403106201GRMM4 09 34.5 999.9 260 6.0 6.0 999 9999.9 30.01 99.9 99.9 99.9 202403106301GRMM4 09 34.5 999.9 260 5.1 6.0 999 9999.9 30.01 99.9 99.9 99.9 202403106401GRMM4 09 34.5 999.9 260 5.1 7.0 999 9999.9 30.01 99.9 99.9 99.9 202403106501GRMM4 09 34.3 999.9 260 5.1 6.0 999 9999.9 30.01 99.9 99.9 99.9 202403107001GRMM4 09 34.2 999.9 240 4.1 6.0 999 9999.9 30.02 99.9 99.9 99.9 202403107101GRMM4 09 34.2 999.9 240 5.1 6.0 999 9999.9 30.02 99.9 99.9 99.9 202403107201GRMM4 09 34.0 999.9 250 6.0 7.0 999 9999.9 30.01 99.9 99.9 99.9 202403107301GRMM4 09 33.8 999.9 240 5.1 7.0 999 9999.9 30.01 99.9 99.9 99.9 202403107401GRMM4 09 33.6 999.9 220 4.1 7.0 999 9999.9 30.01 99.9 99.9 99.9 202403107501GRMM4 09 33.6 999.9 220 6.0 8.0 999 9999.9 30.00 99.9 99.9 99.9 202403108001GRMM4 09 33.8 999.9 230 6.0 8.9 999 9999.9 30.00 99.9 99.9 99.9 202403108101GRMM4 09 33.8 999.9 230 7.0 9.9 999 9999.9 30.00 99.9 99.9 99.9 202403108201GRMM4 09 33.8 999.9 230 7.0 9.9 999 9999.9 30.00 99.9 99.9 99.9 202403108301GRMM4 09 33.8 999.9 210 7.0 8.9 999 9999.9 30.00 99.9 99.9 99.9 202403108401GRMM4 09 33.6 999.9 210 5.1 7.0 999 9999.9 29.99 99.9 99.9 99.9 202403108501GRMM4 09 33.6 999.9 210 5.1 7.0 999 9999.9 29.99 99.9 99.9 99.9 202403109001GRMM4 09 33.4 999.9 200 5.1 6.0 999 9999.9 29.99 99.9 99.9 99.9 202403109101GRMM4 09 33.3 999.9 190 5.1 6.0 999 9999.9 29.98 99.9 99.9 99.9 202403109201GRMM4 09 33.1 999.9 200 4.1 6.0 999 9999.9 29.98 99.9 99.9 99.9 202403109301GRMM4 09 32.7 999.9 200 5.1 6.0 999 9999.9 29.98 99.9 99.9 99.9 202403109401GRMM4 09 32.4 999.9 210 5.1 7.0 999 9999.9 29.98 99.9 99.9 99.9 202403109501GRMM4 09 32.2 999.9 200 5.1 7.0 999 9999.9 29.97 99.9 99.9 99.9 202403110001GRMM4 09 32.0 999.9 230 2.9 6.0 999 9999.9 29.96 99.9 99.9 99.9 202403110101GRMM4 09 32.2 999.9 240 2.9 4.1 999 9999.9 29.96 99.9 99.9 99.9 202403110201GRMM4 09 32.5 999.9 240 2.9 8.0 999 9999.9 29.96 99.9 99.9 99.9 202403110301GRMM4 09 32.9 999.9 250 7.0 11.1 999 9999.9 29.96 99.9 99.9 99.9 202403110401GRMM4 09 33.3 999.9 250 11.1 13.0 999 9999.9 29.96 99.9 99.9 99.9 202403110501GRMM4 09 33.3 999.9 240 12.1 16.9 999 9999.9 29.96 99.9 99.9 99.9 202403111001GRMM4 09 33.3 999.9 240 8.9 15.0 999 9999.9 29.96 99.9 99.9 99.9 202403111101GRMM4 09 33.4 999.9 250 12.1 19.0 999 9999.9 29.96 99.9 99.9 99.9 202403111201GRMM4 09 33.3 999.9 240 8.9 15.0 999 9999.9 29.96 99.9 99.9 99.9 202403111301GRMM4 09 33.4 999.9 230 9.9 14.0 999 9999.9 29.95 99.9 99.9 99.9 202403111401GRMM4 09 33.4 999.9 240 8.0 13.0 999 9999.9 29.95 99.9 99.9 99.9 202403111501GRMM4 09 33.4 999.9 250 8.9 13.0 999 9999.9 29.95 99.9 99.9 99.9 202403112001GRMM4 09 33.4 999.9 240 8.0 13.0 999 9999.9 29.95 99.9 99.9 99.9 202403112101GRMM4 09 33.3 999.9 230 7.0 14.0 999 9999.9 29.94 99.9 99.9 99.9 202403112201GRMM4 09 33.3 999.9 240 8.9 13.0 999 9999.9 29.95 99.9 99.9 99.9 202403112301GRMM4 09 33.3 999.9 240 8.0 13.0 999 9999.9 29.95 99.9 99.9 99.9 202403112401GRMM4 09 33.1 999.9 240 8.9 12.1 999 9999.9 29.95 99.9 99.9 99.9 202403112501GRMM4 09 32.9 999.9 220 11.1 14.0 999 9999.9 29.94 99.9 99.9 99.9 202403113001GRMM4 09 32.9 999.9 210 6.0 12.1 999 9999.9 29.93 99.9 99.9 99.9 202403113101GRMM4 09 32.7 999.9 210 7.0 14.0 999 9999.9 29.93 99.9 99.9 99.9 202403113201GRMM4 09 32.7 999.9 210 8.9 13.0 999 9999.9 29.93 99.9 99.9 99.9 202403113301GRMM4 09 32.7 999.9 220 8.9 13.0 999 9999.9 29.93 99.9 99.9 99.9 202403113401GRMM4 09 32.7 999.9 220 6.0 11.1 999 9999.9 29.93 99.9 99.9 99.9 202403113501GRMM4 09 32.7 999.9 210 8.0 11.1 999 9999.9 29.93 99.9 99.9 99.9 202403114001GRMM4 09 32.9 999.9 220 7.0 11.1 999 9999.9 29.93 99.9 99.9 99.9 202403114101GRMM4 09 32.9 999.9 210 8.0 12.1 999 9999.9 29.93 99.9 99.9 99.9 202403114201GRMM4 09 32.9 999.9 220 11.1 14.0 999 9999.9 29.93 99.9 99.9 99.9 202403114301GRMM4 09 32.9 999.9 220 9.9 15.9 999 9999.9 29.93 99.9 99.9 99.9 202403114401GRMM4 09 32.9 999.9 210 11.1 13.0 999 9999.9 29.92 99.9 99.9 99.9 202403114501GRMM4 09 33.1 999.9 210 11.1 16.9 999 9999.9 29.92 99.9 99.9 99.9 202403115001GRMM4 09 33.1 999.9 200 11.1 18.1 999 9999.9 29.92 99.9 99.9 99.9 202403115101GRMM4 09 33.1 999.9 210 12.1 16.9 999 9999.9 29.91 99.9 99.9 99.9 202403115201GRMM4 09 33.4 999.9 210 12.1 18.1 999 9999.9 29.91 99.9 99.9 99.9 202403115301GRMM4 09 33.6 999.9 200 12.1 19.0 999 9999.9 29.90 99.9 99.9 99.9 202403115401GRMM4 09 33.8 999.9 210 9.9 21.0 999 9999.9 29.90 99.9 99.9 99.9 202403115501GRMM4 09 34.0 999.9 200 11.1 19.0 999 9999.9 29.88 99.9 99.9 99.9 202403116001GRMM4 09 34.3 999.9 200 15.0 20.0 999 9999.9 29.88 99.9 99.9 99.9 202403116101GRMM4 09 34.3 999.9 200 15.0 21.0 999 9999.9 29.87 99.9 99.9 99.9 202403116201GRMM4 09 34.5 999.9 200 14.0 21.0 999 9999.9 29.87 99.9 99.9 99.9 202403116301GRMM4 09 35.1 999.9 210 11.1 23.9 999 9999.9 29.87 99.9 99.9 99.9 202403116401GRMM4 09 35.2 999.9 200 15.9 23.9 999 9999.9 29.87 99.9 99.9 99.9 202403116501GRMM4 09 35.2 999.9 200 14.0 22.9 999 9999.9 29.86 99.9 99.9 99.9 202403117001GRMM4 09 36.0 999.9 200 15.9 21.0 999 9999.9 29.84 99.9 99.9 99.9 202403117101GRMM4 09 35.8 999.9 200 18.1 26.0 999 9999.9 29.83 99.9 99.9 99.9 202403117201GRMM4 09 36.3 999.9 190 19.0 29.9 999 9999.9 29.82 99.9 99.9 99.9 202403117301GRMM4 09 36.9 999.9 200 18.1 27.0 999 9999.9 29.82 99.9 99.9 99.9 202403117401GRMM4 09 37.2 999.9 200 15.9 26.0 999 9999.9 29.82 99.9 99.9 99.9 202403117501GRMM4 09 37.8 999.9 210 14.0 20.0 999 9999.9 29.82 99.9 99.9 99.9 202403118001GRMM4 09 37.8 999.9 210 15.9 23.9 999 9999.9 29.82 99.9 99.9 99.9 202403118101GRMM4 09 38.3 999.9 210 19.0 23.9 999 9999.9 29.82 99.9 99.9 99.9 202403118201GRMM4 09 39.0 999.9 200 14.0 20.0 999 9999.9 29.81 99.9 99.9 99.9 202403118301GRMM4 09 38.8 999.9 200 15.9 21.0 999 9999.9 29.81 99.9 99.9 99.9 202403118401GRMM4 09 38.8 999.9 210 12.1 19.0 999 9999.9 29.82 99.9 99.9 99.9 202403118501GRMM4 09 39.0 999.9 220 13.0 21.0 999 9999.9 29.82 99.9 99.9 99.9 202403119001GRMM4 09 39.0 999.9 200 13.0 18.1 999 9999.9 29.81 99.9 99.9 99.9 202403119101GRMM4 09 38.3 999.9 210 13.0 19.0 999 9999.9 29.81 99.9 99.9 99.9 202403119201GRMM4 09 38.1 999.9 220 13.0 18.1 999 9999.9 29.80 99.9 99.9 99.9 202403119301GRMM4 09 38.1 999.9 210 11.1 15.9 999 9999.9 29.80 99.9 99.9 99.9 202403119401GRMM4 09 38.1 999.9 190 15.0 18.1 999 9999.9 29.80 99.9 99.9 99.9 202403119501GRMM4 09 37.9 999.9 190 16.9 20.0 999 9999.9 29.81 99.9 99.9 99.9 202403120001GRMM4 09 37.8 999.9 200 15.0 20.0 999 9999.9 29.80 99.9 99.9 99.9 202403120001GRMM4 09 37.8 999.9 200 15.0 20.0 999 9999.9 29.80 99.9 99.9 99.9 202403120101GRMM4 09 38.3 999.9 210 11.1 16.9 999 9999.9 29.80 99.9 99.9 99.9 202403120101GRMM4 09 38.3 999.9 210 11.1 17.1 999 9999.9 29.80 99.9 99.9 99.9 202403120201GRMM4 09 38.7 999.9 210 11.1 15.9 999 9999.9 29.80 99.9 99.9 99.9 202403120201GRMM4 09 38.7 999.9 210 11.1 15.9 999 9999.9 29.80 99.9 99.9 99.9 202403120301GRMM4 09 37.9 999.9 190 15.0 19.0 999 9999.9 29.81 99.9 99.9 99.9 202403120301GRMM4 09 37.9 999.9 190 15.0 19.0 999 9999.9 29.81 99.9 99.9 99.9 202403120401GRMM4 09 37.9 999.9 200 13.0 16.9 999 9999.9 29.81 99.9 99.9 99.9 202403120401GRMM4 09 37.9 999.9 200 13.0 17.1 999 9999.9 29.81 99.9 99.9 99.9 202403121501GRMM4 09 39.2 999.9 260 8.9 11.1 999 9999.9 29.82 99.9 99.9 99.9 202403122001GRMM4 09 38.7 999.9 270 7.0 12.1 999 9999.9 29.82 99.9 99.9 99.9 202403122101GRMM4 09 37.9 999.9 260 8.9 9.9 999 9999.9 29.82 99.9 99.9 99.9 202403122201GRMM4 09 37.6 999.9 260 8.0 9.9 999 9999.9 29.82 99.9 99.9 99.9 202403122301GRMM4 09 37.6 999.9 250 7.0 8.0 999 9999.9 29.82 99.9 99.9 99.9 202403122401GRMM4 09 37.9 999.9 220 7.0 8.0 999 9999.9 29.81 99.9 99.9 99.9 202403122501GRMM4 09 37.9 999.9 220 5.1 8.0 999 9999.9 29.82 99.9 99.9 99.9 202403123001GRMM4 09 37.8 999.9 200 7.0 8.0 999 9999.9 29.81 99.9 99.9 99.9 202403123101GRMM4 09 37.6 999.9 200 7.0 8.0 999 9999.9 29.81 99.9 99.9 99.9 202403123201GRMM4 09 37.4 999.9 230 7.0 8.9 999 9999.9 29.82 99.9 99.9 99.9 202403123301GRMM4 09 37.4 999.9 220 7.0 8.9 999 9999.9 29.81 99.9 99.9 99.9 202403123501GRMM4 09 37.2 999.9 230 7.0 9.9 999 9999.9 29.81 99.9 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
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  [every 3rd data value plotted]
142 matching elements
0.043 sec

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