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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: 2304 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 (288)
 (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
202528800001GRMM4   09 999.9 999.9 340 13.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9
202528800201GRMM4   09 999.9 999.9 360 14.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9
202528800301GRMM4   09 999.9 999.9 350 12.1 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202528800401GRMM4   09 999.9 999.9 340 13.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202528800501GRMM4   09 999.9 999.9 350 12.1 15.0 999 9999.9 9999.9 99.9 99.9 99.9
202528801001GRMM4   09 999.9 999.9 350 12.1 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202528801101GRMM4   09 999.9 999.9 360 11.1 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202528801201GRMM4   09 999.9 999.9 360 13.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202528801301GRMM4   09 999.9 999.9 350 11.1 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202528801401GRMM4   09 999.9 999.9  10 12.1 15.0 999 9999.9 9999.9 99.9 99.9 99.9
202528801501GRMM4   09 999.9 999.9 360  9.9 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202528802001GRMM4   09 999.9 999.9 360 11.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202528802101GRMM4   09 999.9 999.9 360 11.1 15.0 999 9999.9 9999.9 99.9 99.9 99.9
202528802201GRMM4   09 999.9 999.9 360 11.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202528802301GRMM4   09 999.9 999.9 350  8.9 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202528802401GRMM4   09 999.9 999.9 350  9.9 15.0 999 9999.9 9999.9 99.9 99.9 99.9
202528802501GRMM4   09 999.9 999.9 360  8.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202528803001GRMM4   09 999.9 999.9 360  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528803101GRMM4   09 999.9 999.9 360  8.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202528803201GRMM4   09 999.9 999.9 350  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202528803301GRMM4   09 999.9 999.9 340  8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202528803401GRMM4   09 999.9 999.9 340  8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202528803501GRMM4   09 999.9 999.9 360  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202528804001GRMM4   09 999.9 999.9  10  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528804101GRMM4   09 999.9 999.9  10  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202528804201GRMM4   09 999.9 999.9  10  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528804301GRMM4   09 999.9 999.9  20  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528804401GRMM4   09 999.9 999.9  30  7.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528804501GRMM4   09 999.9 999.9  30  7.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202528805001GRMM4   09 999.9 999.9  30  8.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202528805101GRMM4   09 999.9 999.9  10  9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202528805201GRMM4   09 999.9 999.9  10 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202528805301GRMM4   09 999.9 999.9  10 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202528805401GRMM4   09 999.9 999.9  10 12.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202528805501GRMM4   09 999.9 999.9  10 11.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202528806001GRMM4   09 999.9 999.9  20 11.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202528806101GRMM4   09 999.9 999.9  20 11.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202528806201GRMM4   09 999.9 999.9  40  6.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202528806301GRMM4   09 999.9 999.9  20  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528806401GRMM4   09 999.9 999.9  40  8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202528806501GRMM4   09 999.9 999.9  30  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528807001GRMM4   09 999.9 999.9  30  9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202528807101GRMM4   09 999.9 999.9  30  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528807201GRMM4   09 999.9 999.9  50  8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202528807301GRMM4   09 999.9 999.9  40  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202528807401GRMM4   09 999.9 999.9  20  7.0 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202528807501GRMM4   09 999.9 999.9  30  9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528808001GRMM4   09 999.9 999.9  30  8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202528808101GRMM4   09 999.9 999.9  20  9.9 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202528808201GRMM4   09 999.9 999.9  40 12.1 15.0 999 9999.9 9999.9 99.9 99.9 99.9
202528808301GRMM4   09 999.9 999.9  40  9.9 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202528808401GRMM4   09 999.9 999.9  30  8.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202528808501GRMM4   09 999.9 999.9  40  9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202528809001GRMM4   09 999.9 999.9  50  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528809101GRMM4   09 999.9 999.9  50  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528809201GRMM4   09 999.9 999.9  30  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528809301GRMM4   09 999.9 999.9  40  7.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202528809401GRMM4   09 999.9 999.9  30  8.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202528809501GRMM4   09 999.9 999.9  40  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528810001GRMM4   09 999.9 999.9  40  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202528810101GRMM4   09 999.9 999.9  30  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202528810201GRMM4   09 999.9 999.9  60  7.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202528810301GRMM4   09 999.9 999.9  40  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202528810401GRMM4   09 999.9 999.9  50  7.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202528810501GRMM4   09 999.9 999.9  40  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202528811001GRMM4   09 999.9 999.9  60  5.1  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202528811101GRMM4   09 999.9 999.9  40  4.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202528811201GRMM4   09 999.9 999.9  30  4.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202528811301GRMM4   09 999.9 999.9  10  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202528811401GRMM4   09 999.9 999.9 360  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202528811501GRMM4   09 999.9 999.9  20  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202528812001GRMM4   09 999.9 999.9  40  2.9  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202528812101GRMM4   09 999.9 999.9  30  4.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202528812201GRMM4   09 999.9 999.9  20  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202528812301GRMM4   09 999.9 999.9  10  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202528812401GRMM4   09 999.9 999.9  40  4.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202528812501GRMM4   09 999.9 999.9  50  2.9  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202528813001GRMM4   09 999.9 999.9 120  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202528813101GRMM4   09 999.9 999.9 130  2.9  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202528813201GRMM4   09 999.9 999.9 170  2.9  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202528813301GRMM4   09 999.9 999.9 170  4.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202528813401GRMM4   09 999.9 999.9 170  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202528813501GRMM4   09 999.9 999.9 180  2.9  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202528814001GRMM4   09 999.9 999.9 200  2.9  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202528814101GRMM4   09 999.9 999.9 190  2.9  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202528814201GRMM4   09 999.9 999.9 190  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202528814301GRMM4   09 999.9 999.9 200  2.9  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202528814401GRMM4   09 999.9 999.9 200  2.9  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202528814501GRMM4   09 999.9 999.9 150  2.9  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202528815001GRMM4   09 999.9 999.9 170  1.9  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202528815101GRMM4   09 999.9 999.9   0  0.0  1.0 999 9999.9 9999.9 99.9 99.9 99.9
202528815201GRMM4   09 999.9 999.9 150  1.9  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202528815301GRMM4   09 999.9 999.9 110  1.0  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202528815401GRMM4   09 999.9 999.9   0  0.0  1.9 999 9999.9 9999.9 99.9 99.9 99.9
202528815501GRMM4   09 999.9 999.9   0  0.0  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202528816001GRMM4   09 999.9 999.9 340  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202528816101GRMM4   09 999.9 999.9 320  4.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202528816301GRMM4   09 999.9 999.9 310  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202528816401GRMM4   09 999.9 999.9 320  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202528816501GRMM4   09 999.9 999.9 340  4.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202528817001GRMM4   09 999.9 999.9 330  2.9  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202528817101GRMM4   09 999.9 999.9 350  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202528817201GRMM4   09 999.9 999.9 330  2.9  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202528817301GRMM4   09 999.9 999.9 330  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202528817501GRMM4   09 999.9 999.9 330  1.9  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202528818001GRMM4   09 999.9 999.9 300  2.9  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202528818101GRMM4   09 999.9 999.9 300  1.0  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202528818201GRMM4   09 999.9 999.9 320  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202528818301GRMM4   09 999.9 999.9 310  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202528818401GRMM4   09 999.9 999.9 320  4.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202528818501GRMM4   09 999.9 999.9 310  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202528819001GRMM4   09 999.9 999.9 330  5.1  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202528819101GRMM4   09 999.9 999.9 320  8.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202528819201GRMM4   09 999.9 999.9 300  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202528819301GRMM4   09 999.9 999.9 310  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202528819401GRMM4   09 999.9 999.9 320  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202528819501GRMM4   09 999.9 999.9 320  6.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202528820001GRMM4   09 999.9 999.9 310  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202528820101GRMM4   09 999.9 999.9 320  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202528820201GRMM4   09 999.9 999.9 310  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202528820301GRMM4   09 999.9 999.9 320  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528820401GRMM4   09 999.9 999.9 310  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528820501GRMM4   09 999.9 999.9 300  9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202528821001GRMM4   09 999.9 999.9 300  8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202528821101GRMM4   09 999.9 999.9 310  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202528821201GRMM4   09 999.9 999.9 310  9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202528821401GRMM4   09 999.9 999.9 320  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202528821501GRMM4   09 999.9 999.9 320  8.9 12.1 999 9999.9 9999.9 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]
128 matching elements
0.086 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
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