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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: 2321 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 (134)
 (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   N     W    
-------GMT-              TMP   PT  DIR  SPD  GST CVR  RAD    PRES   TMP  HGT  PER  LAT   LON   
YYYYDDDHHMM#ID            F     F  Deg  kts  kts  %   W/m2   inHg    F    ft   s  d.deg d.deg  
202613400001GRMM4   09 999.9 999.9 270  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202613400101GRMM4   09 999.9 999.9 280 11.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202613400201GRMM4   09 999.9 999.9 290 12.1 15.0 999 9999.9 9999.9 99.9 99.9 99.9
202613400301GRMM4   09 999.9 999.9 290 13.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9
202613400401GRMM4   09 999.9 999.9 290 12.1 16.9 999 9999.9 9999.9 99.9 99.9 99.9
202613400501GRMM4   09 999.9 999.9 300 13.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202613401001GRMM4   09 999.9 999.9 310  9.9 16.9 999 9999.9 9999.9 99.9 99.9 99.9
202613401101GRMM4   09 999.9 999.9 310  9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202613401201GRMM4   09 999.9 999.9 300  8.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202613401301GRMM4   09 999.9 999.9 290  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613401401GRMM4   09 999.9 999.9 280  7.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202613401501GRMM4   09 999.9 999.9 260  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202613402001GRMM4   09 999.9 999.9 270  7.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613402101GRMM4   09 999.9 999.9 290  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613402201GRMM4   09 999.9 999.9 300  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202613402301GRMM4   09 999.9 999.9 270  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202613402401GRMM4   09 999.9 999.9 260  7.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202613402501GRMM4   09 999.9 999.9 280  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202613403001GRMM4   09 999.9 999.9 290  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202613403101GRMM4   09 999.9 999.9 270  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202613403201GRMM4   09 999.9 999.9 270  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202613403301GRMM4   09 999.9 999.9 280  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202613403401GRMM4   09 999.9 999.9 280  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202613403501GRMM4   09 999.9 999.9 280  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202613404001GRMM4   09 999.9 999.9 290  7.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613404101GRMM4   09 999.9 999.9 270  8.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613404201GRMM4   09 999.9 999.9 270  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613404301GRMM4   09 999.9 999.9 270  9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202613404401GRMM4   09 999.9 999.9 270  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202613404501GRMM4   09 999.9 999.9 270  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613405001GRMM4   09 999.9 999.9 270  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613405101GRMM4   09 999.9 999.9 270  9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202613405201GRMM4   09 999.9 999.9 270  8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202613405301GRMM4   09 999.9 999.9 270  9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613405401GRMM4   09 999.9 999.9 280  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202613405501GRMM4   09 999.9 999.9 280  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613406001GRMM4   09 999.9 999.9 280  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613406101GRMM4   09 999.9 999.9 270  8.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613406201GRMM4   09 999.9 999.9 280  8.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202613406301GRMM4   09 999.9 999.9 280  8.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613406401GRMM4   09 999.9 999.9 280  9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613406501GRMM4   09 999.9 999.9 270  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613407001GRMM4   09 999.9 999.9 270  9.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613407101GRMM4   09 999.9 999.9 270 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202613407201GRMM4   09 999.9 999.9 270 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202613407301GRMM4   09 999.9 999.9 290  8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202613407401GRMM4   09 999.9 999.9 270  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613407501GRMM4   09 999.9 999.9 280  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613408001GRMM4   09 999.9 999.9 270  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613408201GRMM4   09 999.9 999.9 270  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613408301GRMM4   09 999.9 999.9 270  8.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202613408401GRMM4   09 999.9 999.9 270  7.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202613408501GRMM4   09 999.9 999.9 270  7.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202613409001GRMM4   09 999.9 999.9 270  8.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202613409101GRMM4   09 999.9 999.9 270  9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613409301GRMM4   09 999.9 999.9 270  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613409401GRMM4   09 999.9 999.9 270  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613409501GRMM4   09 999.9 999.9 270  8.9  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202613410001GRMM4   09 999.9 999.9 270  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613410101GRMM4   09 999.9 999.9 270  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613410201GRMM4   09 999.9 999.9 270  7.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202613410301GRMM4   09 999.9 999.9 260  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202613410401GRMM4   09 999.9 999.9 260  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202613410501GRMM4   09 999.9 999.9 270  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202613411001GRMM4   09 999.9 999.9 280  8.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202613411101GRMM4   09 999.9 999.9 280  8.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202613411201GRMM4   09 999.9 999.9 270  8.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613411301GRMM4   09 999.9 999.9 270  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202613411401GRMM4   09 999.9 999.9 270  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202613411501GRMM4   09 999.9 999.9 280  9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613412001GRMM4   09 999.9 999.9 280 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202613412101GRMM4   09 999.9 999.9 270 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202613412201GRMM4   09 999.9 999.9 280  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202613412301GRMM4   09 999.9 999.9 270 11.1 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613412401GRMM4   09 999.9 999.9 270 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202613412501GRMM4   09 999.9 999.9 280 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202613413001GRMM4   09 999.9 999.9 280 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202613413101GRMM4   09 999.9 999.9 280  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202613413201GRMM4   09 999.9 999.9 280  8.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613413301GRMM4   09 999.9 999.9 290  8.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613413401GRMM4   09 999.9 999.9 300  8.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613413501GRMM4   09 999.9 999.9 290  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613414001GRMM4   09 999.9 999.9 300  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202613414101GRMM4   09 999.9 999.9 290  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202613414301GRMM4   09 999.9 999.9 280  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202613414401GRMM4   09 999.9 999.9 290  4.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613414501GRMM4   09 999.9 999.9 300  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613415001GRMM4   09 999.9 999.9 290  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613415101GRMM4   09 999.9 999.9 300  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613415401GRMM4   09 999.9 999.9 290  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613415501GRMM4   09 999.9 999.9 290  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613416001GRMM4   09 999.9 999.9 280  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202613416101GRMM4   09 999.9 999.9 290  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202613416201GRMM4   09 999.9 999.9 290  5.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202613416301GRMM4   09 999.9 999.9 290  6.0  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613416401GRMM4   09 999.9 999.9 280  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613416501GRMM4   09 999.9 999.9 280  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202613417001GRMM4   09 999.9 999.9 280  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613417101GRMM4   09 999.9 999.9 280  6.0  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613417201GRMM4   09 999.9 999.9 280  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613417301GRMM4   09 999.9 999.9 290  4.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613417401GRMM4   09 999.9 999.9 280  2.9  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202613417501GRMM4   09 999.9 999.9 290  2.9  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202613418001GRMM4   09 999.9 999.9 290  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202613418101GRMM4   09 999.9 999.9 280  5.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202613418201GRMM4   09 999.9 999.9 280  6.0  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613418301GRMM4   09 999.9 999.9 290  4.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613418401GRMM4   09 999.9 999.9 310  1.0  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202613418501GRMM4   09 999.9 999.9 310  1.0  1.9 999 9999.9 9999.9 99.9 99.9 99.9
202613419001GRMM4   09 999.9 999.9 350  1.0  1.9 999 9999.9 9999.9 99.9 99.9 99.9
202613419201GRMM4   09 999.9 999.9  30  1.9  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202613419301GRMM4   09 999.9 999.9   0  0.0  1.9 999 9999.9 9999.9 99.9 99.9 99.9
202613419401GRMM4   09 999.9 999.9  50  1.9  1.9 999 9999.9 9999.9 99.9 99.9 99.9
202613419501GRMM4   09 999.9 999.9  50  1.9  1.9 999 9999.9 9999.9 99.9 99.9 99.9
202613420001GRMM4   09 999.9 999.9  50  2.9  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202613420101GRMM4   09 999.9 999.9  60  1.9  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202613420201GRMM4   09 999.9 999.9  70  1.9  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202613420301GRMM4   09 999.9 999.9  60  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202613420401GRMM4   09 999.9 999.9  80  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202613420501GRMM4   09 999.9 999.9  70  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202613421001GRMM4   09  31.3  32.7  70  4.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9
202613421101GRMM4   09 999.9 999.9  80  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613421201GRMM4   09 999.9 999.9  80  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613421301GRMM4   09 999.9 999.9  80  1.9  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202613421401GRMM4   09 999.9 999.9  80  5.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202613421501GRMM4   09 999.9 999.9  70  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202613422101GRMM4   09 999.9 999.9  80  7.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202613422201GRMM4   09 999.9 999.9  80  8.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202613422301GRMM4   09 999.9 999.9  80  8.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202613422401GRMM4   09 999.9 999.9  80  8.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202613422501GRMM4   09 999.9 999.9  70 11.1 11.1 999 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]
131 matching elements
0.018 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
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