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Realtime Great Lakes Weather Data and Marine Observations


RCKM4: NOS Rock Cut MI                                  
CMAN Station
Lat: 46.27°, Lon: -84.19°
Elevation: 180 m
Anemometer Height: 8 m
Related Site: NDBC


Current Time: 0312 GMT
Station Types
(Click on name to view all stations for that type)
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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   202613400001RCKM4 29 999.9 999.9 300 9.9 12.1 999 9999.9 29.93 41.5 99.9 99.9 202613400061RCKM4 29 999.9 999.9 300 9.9 13.0 999 9999.9 29.94 41.4 99.9 99.9 202613400121RCKM4 29 999.9 999.9 290 11.1 15.0 999 9999.9 29.94 41.4 99.9 99.9 202613400181RCKM4 29 999.9 999.9 300 9.9 16.9 999 9999.9 29.94 41.4 99.9 99.9 202613400241RCKM4 29 999.9 999.9 300 9.9 13.0 999 9999.9 29.94 41.5 99.9 99.9 202613400301RCKM4 29 999.9 999.9 310 7.0 12.1 999 9999.9 29.95 41.5 99.9 99.9 202613400361RCKM4 29 999.9 999.9 300 8.0 9.9 999 9999.9 29.95 99.9 99.9 99.9 202613400421RCKM4 29 999.9 999.9 290 9.9 11.1 999 9999.9 29.95 99.9 99.9 99.9 202613400481RCKM4 29 999.9 999.9 290 11.1 13.0 999 9999.9 29.95 99.9 99.9 99.9 202613400541RCKM4 29 999.9 999.9 290 8.9 12.1 999 9999.9 29.95 41.5 99.9 99.9 202613401001RCKM4 29 999.9 999.9 300 8.9 12.1 999 9999.9 29.95 41.5 99.9 99.9 202613401061RCKM4 29 999.9 999.9 300 9.9 11.1 999 9999.9 29.95 41.5 99.9 99.9 202613401121RCKM4 29 999.9 999.9 300 8.9 12.1 999 9999.9 29.95 41.5 99.9 99.9 202613401181RCKM4 29 999.9 999.9 300 8.0 11.1 999 9999.9 29.95 41.5 99.9 99.9 202613401241RCKM4 29 999.9 999.9 300 8.9 9.9 999 9999.9 29.96 41.5 99.9 99.9 202613401301RCKM4 29 999.9 999.9 300 8.0 11.1 999 9999.9 29.96 41.5 99.9 99.9 202613401361RCKM4 29 999.9 999.9 290 8.0 9.9 999 9999.9 29.96 99.9 99.9 99.9 202613401421RCKM4 29 999.9 999.9 300 8.0 11.1 999 9999.9 29.96 99.9 99.9 99.9 202613401481RCKM4 29 999.9 999.9 290 7.0 11.1 999 9999.9 29.96 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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19 matching elements
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