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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: 0818 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 (343)
 (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            C     C  Deg  m/s  m/s  %   W/m2    mb     C    m    s
202434300001RCKM4   29 999.9 999.9   0  0.0  1.0 999 9999.9  995.1 99.9 99.9 99.9             
202434300061RCKM4   29 999.9 999.9 280  0.5  1.0 999 9999.9  995.1 99.9 99.9 99.9             
202434300121RCKM4   29 999.9 999.9 280  1.0  1.5 999 9999.9  995.2 99.9 99.9 99.9             
202434300181RCKM4   29 999.9 999.9 280  1.0  1.5 999 9999.9  995.3 99.9 99.9 99.9             
202434300241RCKM4   29 999.9 999.9 270  0.5  1.5 999 9999.9  995.2 99.9 99.9 99.9             
202434300301RCKM4   29 999.9 999.9 250  0.5  1.0 999 9999.9  995.0 99.9 99.9 99.9             
202434300361RCKM4   29 999.9 999.9 290  1.0  1.0 999 9999.9  994.9 99.9 99.9 99.9             
202434300421RCKM4   29 999.9 999.9   0  0.0  1.0 999 9999.9  994.7 99.9 99.9 99.9             
202434300481RCKM4   29 999.9 999.9 260  0.5  1.0 999 9999.9  994.6 99.9 99.9 99.9             
202434300541RCKM4   29 999.9 999.9 260  0.5  1.5 999 9999.9  994.5 99.9 99.9 99.9             
202434301001RCKM4   29 999.9 999.9 250  1.0  1.5 999 9999.9  994.4 99.9 99.9 99.9             
202434301061RCKM4   29 999.9 999.9 290  0.5  1.5 999 9999.9  994.3 99.9 99.9 99.9             
202434301121RCKM4   29 999.9 999.9 250  1.0  2.6 999 9999.9  994.3 99.9 99.9 99.9             
202434301181RCKM4   29 999.9 999.9 280  1.0  2.6 999 9999.9  994.2 99.9 99.9 99.9             
202434301241RCKM4   29 999.9 999.9 280  1.5  2.6 999 9999.9 9999.9 99.9 99.9 99.9             
202434301301RCKM4   29 999.9 999.9 270  2.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9             
202434301361RCKM4   29 999.9 999.9 280  2.1  3.6 999 9999.9  993.9 99.9 99.9 99.9             
202434301421RCKM4   29 999.9 999.9 290  1.5  3.6 999 9999.9  993.7 99.9 99.9 99.9             
202434301481RCKM4   29 999.9 999.9 280  2.6  4.1 999 9999.9  993.7 99.9 99.9 99.9             
202434301541RCKM4   29 999.9 999.9 290  2.1  3.6 999 9999.9  993.7 99.9 99.9 99.9             
202434302001RCKM4   29 999.9 999.9 270  2.6  4.1 999 9999.9  993.6 99.9 99.9 99.9             
202434302061RCKM4   29 999.9 999.9 280  2.6  4.1 999 9999.9  993.6 99.9 99.9 99.9             
202434302121RCKM4   29 999.9 999.9 280  2.6  4.1 999 9999.9  993.5 99.9 99.9 99.9             
202434302181RCKM4   29 999.9 999.9 280  3.1  4.6 999 9999.9  993.6 99.9 99.9 99.9             
202434302241RCKM4   29 999.9 999.9 280  2.6  4.6 999 9999.9  993.5 99.9 99.9 99.9             
202434302301RCKM4   29 999.9 999.9 270  2.1  4.1 999 9999.9  993.5 99.9 99.9 99.9             
202434302361RCKM4   29 999.9 999.9 270  3.1  5.1 999 9999.9  993.7 99.9 99.9 99.9             
202434302421RCKM4   29 999.9 999.9 280  2.1  3.6 999 9999.9  993.7 99.9 99.9 99.9             
202434302481RCKM4   29 999.9 999.9 270  3.6  5.1 999 9999.9  993.7 99.9 99.9 99.9             
202434302541RCKM4   29 999.9 999.9 280  3.1  5.1 999 9999.9  993.8 99.9 99.9 99.9             
202434303001RCKM4   29 999.9 999.9 280  3.6  5.7 999 9999.9  993.8 99.9 99.9 99.9             
202434303061RCKM4   29 999.9 999.9 280  4.6  7.2 999 9999.9  993.8 99.9 99.9 99.9             
202434303121RCKM4   29 999.9 999.9 290  5.1  7.2 999 9999.9  993.8 99.9 99.9 99.9             
202434303181RCKM4   29 999.9 999.9 280  3.6  8.2 999 9999.9  993.9 99.9 99.9 99.9             
202434303241RCKM4   29 999.9 999.9 280  4.1  6.2 999 9999.9  993.9 99.9 99.9 99.9             
202434303301RCKM4   29 999.9 999.9 270  3.6  6.2 999 9999.9  993.8 99.9 99.9 99.9             
202434303361RCKM4   29 999.9 999.9 280  4.1  6.7 999 9999.9  993.9 99.9 99.9 99.9             
202434303421RCKM4   29 999.9 999.9 270  3.6  6.2 999 9999.9  993.9 99.9 99.9 99.9             
202434303481RCKM4   29 999.9 999.9 270  4.1  6.2 999 9999.9  993.9 99.9 99.9 99.9             
202434303541RCKM4   29 999.9 999.9 280  4.6  6.7 999 9999.9  994.0 99.9 99.9 99.9             
202434304001RCKM4   29 999.9 999.9 280  5.1  8.2 999 9999.9  994.1 99.9 99.9 99.9             
202434304061RCKM4   29 999.9 999.9 280  4.6  6.2 999 9999.9  994.1 99.9 99.9 99.9             
202434304121RCKM4   29 999.9 999.9 280  4.6  6.7 999 9999.9  994.1 99.9 99.9 99.9             
202434304181RCKM4   29 999.9 999.9 280  4.6  7.7 999 9999.9  994.1 99.9 99.9 99.9             
202434304241RCKM4   29 999.9 999.9 280  5.1  8.2 999 9999.9  994.3 99.9 99.9 99.9             
202434304301RCKM4   29 999.9 999.9 280  4.6  6.7 999 9999.9  994.4 99.9 99.9 99.9             
202434304361RCKM4   29 999.9 999.9 280  5.1  7.2 999 9999.9  994.4 99.9 99.9 99.9             
202434304421RCKM4   29 999.9 999.9 280  5.1  8.2 999 9999.9  994.4 99.9 99.9 99.9             
202434304481RCKM4   29 999.9 999.9 280  5.1  7.7 999 9999.9  994.5 99.9 99.9 99.9             
202434304541RCKM4   29 999.9 999.9 270  4.6  7.7 999 9999.9  994.6 99.9 99.9 99.9             
202434305001RCKM4   29 999.9 999.9 270  4.1  8.2 999 9999.9  994.5 99.9 99.9 99.9             
202434305061RCKM4   29 999.9 999.9 280  4.6  7.7 999 9999.9  994.5 99.9 99.9 99.9             
202434305121RCKM4   29 999.9 999.9 270  4.1  6.7 999 9999.9  994.6 99.9 99.9 99.9             
202434305181RCKM4   29 999.9 999.9 280  4.1  7.7 999 9999.9  994.7 99.9 99.9 99.9             
202434305241RCKM4   29 999.9 999.9 280  5.1  7.7 999 9999.9  994.6 99.9 99.9 99.9             
202434305301RCKM4   29 999.9 999.9 280  3.6  6.7 999 9999.9  994.8 99.9 99.9 99.9             
202434305361RCKM4   29 999.9 999.9 280  4.1  7.2 999 9999.9  994.8 99.9 99.9 99.9             
202434305421RCKM4   29 999.9 999.9 270  4.1  7.7 999 9999.9  994.8 99.9 99.9 99.9             
202434305481RCKM4   29 999.9 999.9 280  4.1  6.2 999 9999.9  994.9 99.9 99.9 99.9             
202434305541RCKM4   29 999.9 999.9 270  4.1  6.7 999 9999.9  995.0 99.9 99.9 99.9             
202434306061RCKM4   29 999.9 999.9 280  5.7  9.3 999 9999.9  995.3 99.9 99.9 99.9             
202434306121RCKM4   29 999.9 999.9 270  3.6  6.2 999 9999.9  995.2 99.9 99.9 99.9             
202434306181RCKM4   29 999.9 999.9 270  3.6  6.7 999 9999.9  995.4 99.9 99.9 99.9             
202434306241RCKM4   29 999.9 999.9 270  3.6  6.2 999 9999.9  995.5 99.9 99.9 99.9             
202434306301RCKM4   29 999.9 999.9 280  4.1  6.7 999 9999.9  995.6 99.9 99.9 99.9             
202434306361RCKM4   29 999.9 999.9 280  5.1  6.7 999 9999.9  995.8 99.9 99.9 99.9             
202434306421RCKM4   29 999.9 999.9 290  4.6  6.2 999 9999.9  996.1 99.9 99.9 99.9             
202434306481RCKM4   29 999.9 999.9 290  4.1  5.7 999 9999.9  996.3 99.9 99.9 99.9
  New Graph (click on parameter):                                      
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This Web page created and maintained by Greg Lang, NOAA/GLERL,
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