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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: 0936 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 (321)
 (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
202530800001GRMM4   09 999.9 999.9 290 30.9 36.9 999 9999.9 9999.9 99.9 99.9 99.9
202530800101GRMM4   09 999.9 999.9 290 29.0 36.0 999 9999.9 9999.9 99.9 99.9 99.9
202530800201GRMM4   09 999.9 999.9 290 26.0 35.0 999 9999.9 9999.9 99.9 99.9 99.9
202530800301GRMM4   09 999.9 999.9 300 28.0 32.1 999 9999.9 9999.9 99.9 99.9 99.9
202530800401GRMM4   09 999.9 999.9 300 26.0 32.1 999 9999.9 9999.9 99.9 99.9 99.9
202530800501GRMM4   09 999.9 999.9 290 26.0 33.0 999 9999.9 9999.9 99.9 99.9 99.9
202530801001GRMM4   09 999.9 999.9 300 27.0 30.9 999 9999.9 9999.9 99.9 99.9 99.9
202530801101GRMM4   09 999.9 999.9 290 25.1 30.9 999 9999.9 9999.9 99.9 99.9 99.9
202530801201GRMM4   09 999.9 999.9 290 22.0 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202530801301GRMM4   09 999.9 999.9 280 22.9 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202530801401GRMM4   09 999.9 999.9 280 25.1 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202530801501GRMM4   09 999.9 999.9 280 22.9 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202530802001GRMM4   09 999.9 999.9 280 22.0 27.0 999 9999.9 9999.9 99.9 99.9 99.9
202530802101GRMM4   09 999.9 999.9 280 26.0 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202530802201GRMM4   09 999.9 999.9 270 22.9 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202530802301GRMM4   09 999.9 999.9 280 23.9 29.9 999 9999.9 9999.9 99.9 99.9 99.9
202530802401GRMM4   09 999.9 999.9 270 22.0 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202530802501GRMM4   09 999.9 999.9 260 16.9 26.0 999 9999.9 9999.9 99.9 99.9 99.9
202530803001GRMM4   09 999.9 999.9 260 14.0 19.0 999 9999.9 9999.9 99.9 99.9 99.9
202530803101GRMM4   09 999.9 999.9 260 15.0 19.0 999 9999.9 9999.9 99.9 99.9 99.9
202530803201GRMM4   09 999.9 999.9 260 16.9 19.0 999 9999.9 9999.9 99.9 99.9 99.9
202530803301GRMM4   09 999.9 999.9 260 19.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9
202530803401GRMM4   09 999.9 999.9 260 19.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9
202530803501GRMM4   09 999.9 999.9 260 18.1 21.0 999 9999.9 9999.9 99.9 99.9 99.9
202530804001GRMM4   09 999.9 999.9 230 11.1 21.0 999 9999.9 9999.9 99.9 99.9 99.9
202530804101GRMM4   09 999.9 999.9 240  9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202530804201GRMM4   09 999.9 999.9 240 12.1 15.0 999 9999.9 9999.9 99.9 99.9 99.9
202530804301GRMM4   09 999.9 999.9 260 15.9 19.0 999 9999.9 9999.9 99.9 99.9 99.9
202530804401GRMM4   09 999.9 999.9 260 20.0 25.1 999 9999.9 9999.9 99.9 99.9 99.9
202530804501GRMM4   09 999.9 999.9 260 21.0 27.0 999 9999.9 9999.9 99.9 99.9 99.9
202530806001GRMM4   09 999.9 999.9 270 22.0 25.1 999 9999.9 9999.9 99.9 99.9 99.9
202530806101GRMM4   09 999.9 999.9 270 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9
202530806201GRMM4   09 999.9 999.9 270 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9
202530806301GRMM4   09 999.9 999.9 270 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9
202530806401GRMM4   09 999.9 999.9 270 21.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9
202530806501GRMM4   09 999.9 999.9 270 20.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9
202530807001GRMM4   09 999.9 999.9 270 22.9 25.1 999 9999.9 9999.9 99.9 99.9 99.9
202530807101GRMM4   09 999.9 999.9 260 22.0 25.1 999 9999.9 9999.9 99.9 99.9 99.9
202530807201GRMM4   09 999.9 999.9 270 20.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9
202530807301GRMM4   09 999.9 999.9 270 19.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9
202530807401GRMM4   09 999.9 999.9 290 23.9 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202530807501GRMM4   09 999.9 999.9 290 22.9 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202530808001GRMM4   09 999.9 999.9 290 22.9 27.0 999 9999.9 9999.9 99.9 99.9 99.9
202530808101GRMM4   09 999.9 999.9 290 22.9 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202530808201GRMM4   09 999.9 999.9 290 23.9 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202530808301GRMM4   09 999.9 999.9 290 21.0 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202530808401GRMM4   09 999.9 999.9 290 22.9 26.0 999 9999.9 9999.9 99.9 99.9 99.9
202530808501GRMM4   09 999.9 999.9 290 22.9 27.0 999 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
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48 matching elements
0.013 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
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