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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: 0959 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 (019)
 (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
202501900001RCKM4   29 999.9 999.9 290  2.6  6.7 999 9999.9 1013.7 99.9 99.9 99.9             
202501900061RCKM4   29 999.9 999.9 290  3.6  6.7 999 9999.9 1013.7 99.9 99.9 99.9             
202501900121RCKM4   29 999.9 999.9 290  4.1  7.2 999 9999.9 1013.8 99.9 99.9 99.9             
202501900181RCKM4   29 999.9 999.9 300  4.6  7.2 999 9999.9 1013.9 99.9 99.9 99.9             
202501900241RCKM4   29 999.9 999.9 280  3.6  5.7 999 9999.9 1013.9 99.9 99.9 99.9             
202501900301RCKM4   29 999.9 999.9 270  2.6  4.6 999 9999.9 1014.1 99.9 99.9 99.9             
202501900361RCKM4   29 999.9 999.9 260  3.1  5.1 999 9999.9 1014.1 99.9 99.9 99.9             
202501900421RCKM4   29 999.9 999.9 270  3.6  6.2 999 9999.9 1014.2 99.9 99.9 99.9             
202501900481RCKM4   29 999.9 999.9 260  3.6  5.7 999 9999.9 1014.3 99.9 99.9 99.9             
202501900541RCKM4   29 999.9 999.9 280  2.6  5.1 999 9999.9 1014.5 99.9 99.9 99.9             
202501901001RCKM4   29 999.9 999.9 260  3.6  5.7 999 9999.9 1014.4 99.9 99.9 99.9             
202501901061RCKM4   29 999.9 999.9 260  2.6  4.6 999 9999.9 1014.5 99.9 99.9 99.9             
202501901121RCKM4   29 999.9 999.9 260  2.1  4.1 999 9999.9 1014.5 99.9 99.9 99.9             
202501901181RCKM4   29 999.9 999.9 260  2.1  3.6 999 9999.9 1014.5 99.9 99.9 99.9             
202501901241RCKM4   29 999.9 999.9 250  2.6  3.6 999 9999.9 1014.4 99.9 99.9 99.9             
202501901301RCKM4   29 999.9 999.9 250  2.1  3.6 999 9999.9 1014.4 99.9 99.9 99.9             
202501901361RCKM4   29 999.9 999.9 280  3.1  5.1 999 9999.9 1014.5 99.9 99.9 99.9             
202501901421RCKM4   29 999.9 999.9 270  3.1  5.1 999 9999.9 1014.5 99.9 99.9 99.9             
202501901481RCKM4   29 999.9 999.9 280  3.6  5.1 999 9999.9 1014.5 99.9 99.9 99.9             
202501901541RCKM4   29 999.9 999.9 270  3.6  5.1 999 9999.9 1014.5 99.9 99.9 99.9             
202501902001RCKM4   29 999.9 999.9 260  2.1  4.1 999 9999.9 1014.6 99.9 99.9 99.9             
202501902061RCKM4   29 999.9 999.9 250  2.6  4.6 999 9999.9 1014.7 99.9 99.9 99.9             
202501902121RCKM4   29 999.9 999.9 260  2.6  4.6 999 9999.9 1014.7 99.9 99.9 99.9             
202501902181RCKM4   29 999.9 999.9 230  3.1  5.7 999 9999.9 1014.6 99.9 99.9 99.9             
202501902241RCKM4   29 999.9 999.9 260  2.6  4.6 999 9999.9 1014.7 99.9 99.9 99.9             
202501902301RCKM4   29 999.9 999.9 250  2.6  5.7 999 9999.9 1014.8 99.9 99.9 99.9             
202501903001RCKM4   29 999.9 999.9 260  3.1  4.6 999 9999.9 1015.0 99.9 99.9 99.9             
202501903061RCKM4   29 999.9 999.9 999 99.9 99.9 999 9999.9 1015.0 99.9 99.9 99.9             
202501903121RCKM4   29 999.9 999.9 999 99.9 99.9 999 9999.9 1015.0 99.9 99.9 99.9             
202501903181RCKM4   29 999.9 999.9 999 99.9 99.9 999 9999.9 1015.0 99.9 99.9 99.9             
202501903241RCKM4   29 999.9 999.9 999 99.9 99.9 999 9999.9 1015.1 99.9 99.9 99.9             
202501903301RCKM4   29 999.9 999.9 999 99.9 99.9 999 9999.9 1015.0 99.9 99.9 99.9             
202501903361RCKM4   29 999.9 999.9 240  2.6  5.1 999 9999.9 1015.0 99.9 99.9 99.9             
202501903421RCKM4   29 999.9 999.9 250  2.6  4.6 999 9999.9 1015.0 99.9 99.9 99.9             
202501903481RCKM4   29 999.9 999.9 240  3.1  4.6 999 9999.9 1015.0 99.9 99.9 99.9             
202501903541RCKM4   29 999.9 999.9 250  3.1  5.7 999 9999.9 1015.0 99.9 99.9 99.9             
202501904001RCKM4   29 999.9 999.9 250  3.1  6.2 999 9999.9 1014.9 99.9 99.9 99.9             
202501904061RCKM4   29 999.9 999.9 260  3.6  5.7 999 9999.9 1014.9 99.9 99.9 99.9             
202501904121RCKM4   29 999.9 999.9 250  3.1  6.2 999 9999.9 1014.9 99.9 99.9 99.9             
202501904181RCKM4   29 999.9 999.9 250  3.6  5.7 999 9999.9 1014.9 99.9 99.9 99.9             
202501904241RCKM4   29 999.9 999.9 250  4.1  7.7 999 9999.9 1014.9 99.9 99.9 99.9             
202501904301RCKM4   29 999.9 999.9 260  3.1  5.7 999 9999.9 1014.9 99.9 99.9 99.9             
202501904361RCKM4   29 999.9 999.9 260  3.1  6.2 999 9999.9 1014.8 99.9 99.9 99.9             
202501904421RCKM4   29 999.9 999.9 260  3.1  7.2 999 9999.9 1014.7 99.9 99.9 99.9             
202501904481RCKM4   29 999.9 999.9 260  3.1  6.7 999 9999.9 1014.8 99.9 99.9 99.9             
202501904541RCKM4   29 999.9 999.9 260  4.1  7.2 999 9999.9 1014.7 99.9 99.9 99.9             
202501905001RCKM4   29 999.9 999.9 270  3.1  7.2 999 9999.9 1014.7 99.9 99.9 99.9             
202501905061RCKM4   29 999.9 999.9 260  3.1  5.7 999 9999.9 1014.7 99.9 99.9 99.9             
202501905121RCKM4   29 999.9 999.9 260  3.1  6.2 999 9999.9 1014.8 99.9 99.9 99.9             
202501905181RCKM4   29 999.9 999.9 260  2.6  5.7 999 9999.9 1014.8 99.9 99.9 99.9             
202501905241RCKM4   29 999.9 999.9 270  2.6  5.1 999 9999.9 1014.7 99.9 99.9 99.9             
202501905301RCKM4   29 999.9 999.9 270  2.6  5.1 999 9999.9 1014.8 99.9 99.9 99.9             
202501905361RCKM4   29 999.9 999.9 310  2.6  5.1 999 9999.9 1014.9 99.9 99.9 99.9             
202501905421RCKM4   29 999.9 999.9 360  4.1  6.7 999 9999.9 1015.2 99.9 99.9 99.9             
202501905481RCKM4   29 999.9 999.9 340  2.6  6.7 999 9999.9 1015.2 99.9 99.9 99.9             
202501905541RCKM4   29 999.9 999.9 310  2.1  4.1 999 9999.9 1015.3 99.9 99.9 99.9             
202501906001RCKM4   29 999.9 999.9 350  3.6  6.2 999 9999.9 1015.4 99.9 99.9 99.9             
202501906061RCKM4   29 999.9 999.9 340  2.6  6.2 999 9999.9 1015.4 99.9 99.9 99.9             
202501906121RCKM4   29 999.9 999.9 300  2.1  5.1 999 9999.9 1015.5 99.9 99.9 99.9             
202501906181RCKM4   29 999.9 999.9 310  2.1  4.1 999 9999.9 1015.5 99.9 99.9 99.9             
202501906241RCKM4   29 999.9 999.9 320  2.1  4.1 999 9999.9 1015.6 99.9 99.9 99.9             
202501906301RCKM4   29 999.9 999.9 280  1.5  3.6 999 9999.9 1015.6 99.9 99.9 99.9             
202501906361RCKM4   29 999.9 999.9 260  1.5  3.6 999 9999.9 1015.5 99.9 99.9 99.9             
202501906421RCKM4   29 999.9 999.9 270  1.0  1.5 999 9999.9 1015.6 99.9 99.9 99.9             
202501906481RCKM4   29 999.9 999.9 270  1.0  2.1 999 9999.9 1015.6 99.9 99.9 99.9             
202501906541RCKM4   29 999.9 999.9 260  1.0  1.5 999 9999.9 1015.7 99.9 99.9 99.9             
202501907001RCKM4   29 999.9 999.9 280  1.0  2.6 999 9999.9 1015.8 99.9 99.9 99.9             
202501907061RCKM4   29 999.9 999.9 290  0.5  2.1 999 9999.9 1015.9 99.9 99.9 99.9             
202501907121RCKM4   29 999.9 999.9 340  1.5  2.6 999 9999.9 1015.9 99.9 99.9 99.9             
202501907181RCKM4   29 999.9 999.9 300  1.0  3.6 999 9999.9 1016.0 99.9 99.9 99.9             
202501907241RCKM4   29 999.9 999.9 350  2.1  2.6 999 9999.9 1016.0 99.9 99.9 99.9             
202501907301RCKM4   29 999.9 999.9  30  2.1  3.1 999 9999.9 1016.1 99.9 99.9 99.9             
202501907361RCKM4   29 999.9 999.9  60  1.0  2.1 999 9999.9 1016.1 99.9 99.9 99.9             
202501907421RCKM4   29 999.9 999.9  90  1.5  1.5 999 9999.9 1016.0 99.9 99.9 99.9             
202501907481RCKM4   29 999.9 999.9  40  2.1  2.6 999 9999.9 1016.1 99.9 99.9 99.9             
202501907541RCKM4   29 999.9 999.9  20  1.5  2.6 999 9999.9 1016.2 99.9 99.9 99.9             
202501908001RCKM4   29 999.9 999.9  20  2.1  2.6 999 9999.9 1016.3 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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