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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: 1855 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 (339)
 (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
202433900001RCKM4   29 999.9 999.9 250  1.9  1.9 999 9999.9  30.06 99.9 99.9 99.9
202433900061RCKM4   29 999.9 999.9   0  0.0  2.9 999 9999.9  30.06 99.9 99.9 99.9
202433900121RCKM4   29 999.9 999.9 230  1.0  2.9 999 9999.9  30.06 99.9 99.9 99.9
202433900181RCKM4   29 999.9 999.9   0  0.0  1.9 999 9999.9  30.05 99.9 99.9 99.9
202433900241RCKM4   29 999.9 999.9 210  1.0  1.9 999 9999.9  30.05 99.9 99.9 99.9
202433900301RCKM4   29 999.9 999.9 190  1.9  2.9 999 9999.9  30.05 99.9 99.9 99.9
202433900361RCKM4   29 999.9 999.9 200  1.9  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202433900421RCKM4   29 999.9 999.9 210  1.9  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202433900481RCKM4   29 999.9 999.9 200  1.0  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202433900541RCKM4   29 999.9 999.9 210  1.9  6.0 999 9999.9  30.04 99.9 99.9 99.9
202433901001RCKM4   29 999.9 999.9 200  1.9  2.9 999 9999.9  30.04 99.9 99.9 99.9
202433901061RCKM4   29 999.9 999.9 200  1.9  5.1 999 9999.9  30.04 99.9 99.9 99.9
202433901121RCKM4   29 999.9 999.9 200  1.9  4.1 999 9999.9  30.03 99.9 99.9 99.9
202433901181RCKM4   29 999.9 999.9 190  1.9  5.1 999 9999.9  30.02 99.9 99.9 99.9
202433901241RCKM4   29 999.9 999.9 220  1.9  4.1 999 9999.9  30.02 99.9 99.9 99.9
202433901301RCKM4   29 999.9 999.9 190  1.9  4.1 999 9999.9  30.01 99.9 99.9 99.9
202433901361RCKM4   29 999.9 999.9 220  1.0  5.1 999 9999.9  30.02 99.9 99.9 99.9
202433901421RCKM4   29 999.9 999.9 210  1.9  2.9 999 9999.9  30.01 99.9 99.9 99.9
202433901481RCKM4   29 999.9 999.9 220  1.9  2.9 999 9999.9  30.01 99.9 99.9 99.9
202433901541RCKM4   29 999.9 999.9 210  1.0  2.9 999 9999.9  30.01 99.9 99.9 99.9
202433902001RCKM4   29 999.9 999.9 190  1.9  2.9 999 9999.9  30.01 99.9 99.9 99.9
202433902061RCKM4   29 999.9 999.9 160  1.0  2.9 999 9999.9  30.00 99.9 99.9 99.9
202433902121RCKM4   29 999.9 999.9 200  1.9  1.9 999 9999.9  30.00 99.9 99.9 99.9
202433902181RCKM4   29 999.9 999.9 230  1.9  2.9 999 9999.9  29.99 99.9 99.9 99.9
202433902241RCKM4   29 999.9 999.9 210  2.9  5.1 999 9999.9  29.99 99.9 99.9 99.9
202433902301RCKM4   29 999.9 999.9 200  1.0  2.9 999 9999.9  29.99 99.9 99.9 99.9
202433902361RCKM4   29 999.9 999.9 210  1.0  1.9 999 9999.9  29.99 99.9 99.9 99.9
202433902421RCKM4   29 999.9 999.9 270  1.0  1.9 999 9999.9  29.98 99.9 99.9 99.9
202433902481RCKM4   29 999.9 999.9   0  0.0  2.9 999 9999.9  29.98 99.9 99.9 99.9
202433902541RCKM4   29 999.9 999.9   0  0.0  1.9 999 9999.9  29.98 99.9 99.9 99.9
202433903001RCKM4   29 999.9 999.9   0  0.0  1.9 999 9999.9  29.97 99.9 99.9 99.9
202433903061RCKM4   29 999.9 999.9 220  1.0  1.9 999 9999.9  29.97 99.9 99.9 99.9
202433903121RCKM4   29 999.9 999.9 160  1.9  2.9 999 9999.9  29.96 99.9 99.9 99.9
202433903181RCKM4   29 999.9 999.9 150  1.9  2.9 999 9999.9  29.96 99.9 99.9 99.9
202433903241RCKM4   29 999.9 999.9 150  2.9  4.1 999 9999.9  29.96 99.9 99.9 99.9
202433903301RCKM4   29 999.9 999.9 150  2.9  4.1 999 9999.9  29.95 99.9 99.9 99.9
202433903361RCKM4   29 999.9 999.9 150  2.9  4.1 999 9999.9  29.95 99.9 99.9 99.9
202433903421RCKM4   29 999.9 999.9 160  4.1  5.1 999 9999.9  29.94 99.9 99.9 99.9
202433903481RCKM4   29 999.9 999.9 160  4.1  5.1 999 9999.9  29.94 99.9 99.9 99.9
202433904001RCKM4   29 999.9 999.9 160  5.1  6.0 999 9999.9  29.93 99.9 99.9 99.9
202433904061RCKM4   29 999.9 999.9 160  2.9  5.1 999 9999.9  29.92 99.9 99.9 99.9
202433904121RCKM4   29 999.9 999.9 160  2.9  4.1 999 9999.9  29.92 99.9 99.9 99.9
202433904181RCKM4   29 999.9 999.9 170  2.9  4.1 999 9999.9  29.92 99.9 99.9 99.9
202433904241RCKM4   29 999.9 999.9 180  2.9  5.1 999 9999.9  29.92 99.9 99.9 99.9
202433904301RCKM4   29 999.9 999.9 170  2.9  5.1 999 9999.9  29.92 99.9 99.9 99.9
202433904361RCKM4   29 999.9 999.9 200  1.9  2.9 999 9999.9  29.91 99.9 99.9 99.9
202433904421RCKM4   29 999.9 999.9 210  1.9  4.1 999 9999.9  29.91 99.9 99.9 99.9
202433904481RCKM4   29 999.9 999.9 160  2.9  4.1 999 9999.9  29.90 99.9 99.9 99.9
202433904541RCKM4   29 999.9 999.9 160  2.9  2.9 999 9999.9  29.90 99.9 99.9 99.9
202433905061RCKM4   29 999.9 999.9 120  5.1  7.0 999 9999.9  29.89 99.9 99.9 99.9
202433905121RCKM4   29 999.9 999.9 110  6.0  8.0 999 9999.9  29.88 99.9 99.9 99.9
202433905181RCKM4   29 999.9 999.9 120  6.0  7.0 999 9999.9  29.88 99.9 99.9 99.9
202433905241RCKM4   29 999.9 999.9 120  7.0  8.0 999 9999.9  29.87 99.9 99.9 99.9
202433905301RCKM4   29 999.9 999.9 130  7.0  8.9 999 9999.9  29.87 99.9 99.9 99.9
202433905361RCKM4   29 999.9 999.9 130  6.0  8.0 999 9999.9  29.86 99.9 99.9 99.9
202433905421RCKM4   29 999.9 999.9 120  5.1  7.0 999 9999.9  29.85 99.9 99.9 99.9
202433905481RCKM4   29 999.9 999.9 120  6.0  7.0 999 9999.9  29.85 99.9 99.9 99.9
202433905541RCKM4   29 999.9 999.9 120  4.1  7.0 999 9999.9  29.84 99.9 99.9 99.9
202433906001RCKM4   29 999.9 999.9 110  6.0  7.0 999 9999.9  29.84 99.9 99.9 99.9
202433906061RCKM4   29 999.9 999.9 110  6.0  7.0 999 9999.9  29.83 99.9 99.9 99.9
202433906121RCKM4   29 999.9 999.9 140  5.1  8.0 999 9999.9  29.83 99.9 99.9 99.9
202433906181RCKM4   29 999.9 999.9 120  7.0  8.9 999 9999.9  29.82 99.9 99.9 99.9
202433906241RCKM4   29 999.9 999.9 140  5.1  7.0 999 9999.9  29.81 99.9 99.9 99.9
202433906301RCKM4   29 999.9 999.9 160  6.0  8.9 999 9999.9  29.81 99.9 99.9 99.9
202433906361RCKM4   29 999.9 999.9 160  5.1  8.0 999 9999.9  29.80 99.9 99.9 99.9
202433906421RCKM4   29 999.9 999.9 150  6.0  8.9 999 9999.9  29.80 99.9 99.9 99.9
202433906481RCKM4   29 999.9 999.9 160  6.0  9.9 999 9999.9  29.79 99.9 99.9 99.9
202433906541RCKM4   29 999.9 999.9 160  6.0  8.0 999 9999.9  29.78 99.9 99.9 99.9
202433907001RCKM4   29 999.9 999.9 160  6.0 11.1 999 9999.9  29.78 99.9 99.9 99.9
202433907061RCKM4   29 999.9 999.9 170  5.1  8.9 999 9999.9  29.78 99.9 99.9 99.9
202433907121RCKM4   29 999.9 999.9 170  8.0 11.1 999 9999.9  29.77 99.9 99.9 99.9
202433907181RCKM4   29 999.9 999.9 160  7.0  9.9 999 9999.9  29.77 99.9 99.9 99.9
202433907241RCKM4   29 999.9 999.9 170  7.0 11.1 999 9999.9  29.76 99.9 99.9 99.9
202433907301RCKM4   29 999.9 999.9 170  8.0 13.0 999 9999.9  29.76 99.9 99.9 99.9
202433907361RCKM4   29 999.9 999.9 180  8.9 14.0 999 9999.9  29.75 99.9 99.9 99.9
202433907421RCKM4   29 999.9 999.9 170  8.0 13.0 999 9999.9  29.75 99.9 99.9 99.9
202433907481RCKM4   29 999.9 999.9 170  9.9 15.0 999 9999.9  29.74 99.9 99.9 99.9
202433907541RCKM4   29 999.9 999.9 180  8.0 13.0 999 9999.9  29.73 99.9 99.9 99.9
202433908001RCKM4   29 999.9 999.9 180  6.0 11.1 999 9999.9  29.73 99.9 99.9 99.9
202433908061RCKM4   29 999.9 999.9 170  8.0 14.0 999 9999.9  29.72 99.9 99.9 99.9
202433908121RCKM4   29 999.9 999.9 180  6.0 12.1 999 9999.9  29.71 99.9 99.9 99.9
202433908181RCKM4   29 999.9 999.9 180  8.0 13.0 999 9999.9  29.71 99.9 99.9 99.9
202433908241RCKM4   29 999.9 999.9 180  8.9 13.0 999 9999.9  29.70 99.9 99.9 99.9
202433908301RCKM4   29 999.9 999.9 180  8.9 15.9 999 9999.9  29.70 99.9 99.9 99.9
202433908361RCKM4   29 999.9 999.9 180  8.0 13.0 999 9999.9  29.69 99.9 99.9 99.9
202433908421RCKM4   29 999.9 999.9 180  8.9 13.0 999 9999.9  29.68 99.9 99.9 99.9
202433908481RCKM4   29 999.9 999.9 180  8.0 13.0 999 9999.9  29.68 99.9 99.9 99.9
202433908541RCKM4   29 999.9 999.9 180  8.0 13.0 999 9999.9  29.67 99.9 99.9 99.9
202433909001RCKM4   29 999.9 999.9 180  7.0 15.9 999 9999.9  29.66 99.9 99.9 99.9
202433909061RCKM4   29 999.9 999.9 170  8.0 15.9 999 9999.9  29.66 99.9 99.9 99.9
202433909121RCKM4   29 999.9 999.9 180  9.9 14.0 999 9999.9  29.65 99.9 99.9 99.9
202433909181RCKM4   29 999.9 999.9 180  8.0 12.1 999 9999.9  29.65 99.9 99.9 99.9
202433909241RCKM4   29 999.9 999.9 180  6.0 11.1 999 9999.9  29.64 99.9 99.9 99.9
202433909301RCKM4   29 999.9 999.9 190  7.0 11.1 999 9999.9  29.63 99.9 99.9 99.9
202433909361RCKM4   29 999.9 999.9 190  7.0 13.0 999 9999.9  29.63 99.9 99.9 99.9
202433909421RCKM4   29 999.9 999.9 180  7.0  9.9 999 9999.9  29.63 99.9 99.9 99.9
202433909481RCKM4   29 999.9 999.9 180  6.0 11.1 999 9999.9  29.62 99.9 99.9 99.9
202433909541RCKM4   29 999.9 999.9 170  6.0 11.1 999 9999.9  29.62 99.9 99.9 99.9
202433910001RCKM4   29 999.9 999.9 180  8.0 11.1 999 9999.9  29.62 99.9 99.9 99.9
202433910061RCKM4   29 999.9 999.9 170  7.0 11.1 999 9999.9  29.61 99.9 99.9 99.9
202433910121RCKM4   29 999.9 999.9 170  6.0  8.9 999 9999.9  29.61 99.9 99.9 99.9
202433910181RCKM4   29 999.9 999.9 160  6.0  9.9 999 9999.9  29.61 99.9 99.9 99.9
202433910241RCKM4   29 999.9 999.9 160  7.0 11.1 999 9999.9  29.60 99.9 99.9 99.9
202433910301RCKM4   29 999.9 999.9 160  7.0 11.1 999 9999.9  29.60 99.9 99.9 99.9
202433910361RCKM4   29 999.9 999.9 170  6.0  9.9 999 9999.9  29.59 99.9 99.9 99.9
202433910421RCKM4   29 999.9 999.9 160  7.0 11.1 999 9999.9  29.59 99.9 99.9 99.9
202433910481RCKM4   29 999.9 999.9 160  5.1  9.9 999 9999.9  29.58 99.9 99.9 99.9
202433910541RCKM4   29 999.9 999.9 170  6.0 11.1 999 9999.9  29.58 99.9 99.9 99.9
202433911001RCKM4   29 999.9 999.9 170  6.0 11.1 999 9999.9  29.58 99.9 99.9 99.9
202433911061RCKM4   29 999.9 999.9 170  6.0  9.9 999 9999.9  29.57 99.9 99.9 99.9
202433911121RCKM4   29 999.9 999.9 170  5.1  9.9 999 9999.9  29.57 99.9 99.9 99.9
202433911181RCKM4   29 999.9 999.9 170  6.0  8.9 999 9999.9  29.57 99.9 99.9 99.9
202433911241RCKM4   29 999.9 999.9 170  7.0  8.9 999 9999.9  29.56 99.9 99.9 99.9
202433911301RCKM4   29 999.9 999.9 170  7.0 11.1 999 9999.9  29.56 99.9 99.9 99.9
202433911361RCKM4   29 999.9 999.9 170  7.0  9.9 999 9999.9  29.55 99.9 99.9 99.9
202433911421RCKM4   29 999.9 999.9 170  7.0  9.9 999 9999.9  29.55 99.9 99.9 99.9
202433911481RCKM4   29 999.9 999.9 180  6.0  9.9 999 9999.9  29.54 99.9 99.9 99.9
202433911541RCKM4   29 999.9 999.9 170  8.9 12.1 999 9999.9  29.54 99.9 99.9 99.9
202433912001RCKM4   29 999.9 999.9 180  6.0  9.9 999 9999.9  29.54 99.9 99.9 99.9
202433912061RCKM4   29 999.9 999.9 180  6.0 12.1 999 9999.9  29.53 99.9 99.9 99.9
202433912121RCKM4   29 999.9 999.9 160  6.0 12.1 999 9999.9  29.53 99.9 99.9 99.9
202433912181RCKM4   29 999.9 999.9 180  6.0 11.1 999 9999.9  29.52 99.9 99.9 99.9
202433912241RCKM4   29 999.9 999.9 170  6.0 11.1 999 9999.9  29.52 99.9 99.9 99.9
202433912301RCKM4   29 999.9 999.9 170  6.0  8.9 999 9999.9  29.52 99.9 99.9 99.9
202433912361RCKM4   29 999.9 999.9 180  7.0  9.9 999 9999.9  29.51 99.9 99.9 99.9
202433912421RCKM4   29 999.9 999.9 180  7.0 11.1 999 9999.9  29.50 99.9 99.9 99.9
202433912481RCKM4   29 999.9 999.9 170  7.0 13.0 999 9999.9  29.49 99.9 99.9 99.9
202433912541RCKM4   29 999.9 999.9 170  8.0 14.0 999 9999.9  29.49 99.9 99.9 99.9
202433913001RCKM4   29 999.9 999.9 180  7.0 12.1 999 9999.9  29.49 99.9 99.9 99.9
202433913061RCKM4   29 999.9 999.9 170  7.0 11.1 999 9999.9  29.49 99.9 99.9 99.9
202433913121RCKM4   29 999.9 999.9 180  5.1  9.9 999 9999.9  29.48 99.9 99.9 99.9
202433913181RCKM4   29 999.9 999.9 180  5.1  9.9 999 9999.9  29.48 99.9 99.9 99.9
202433913241RCKM4   29 999.9 999.9 180  5.1  8.9 999 9999.9  29.47 99.9 99.9 99.9
202433913301RCKM4   29 999.9 999.9 180  6.0 11.1 999 9999.9  29.47 99.9 99.9 99.9
202433913361RCKM4   29 999.9 999.9 180  6.0 12.1 999 9999.9  29.47 99.9 99.9 99.9
202433913421RCKM4   29 999.9 999.9 170  7.0 12.1 999 9999.9  29.46 99.9 99.9 99.9
202433913481RCKM4   29 999.9 999.9 180  5.1  9.9 999 9999.9  29.46 99.9 99.9 99.9
202433913541RCKM4   29 999.9 999.9 170  5.1  9.9 999 9999.9  29.45 99.9 99.9 99.9
202433914001RCKM4   29 999.9 999.9 170  6.0  8.9 999 9999.9  29.45 99.9 99.9 99.9
202433914061RCKM4   29 999.9 999.9 170  7.0  9.9 999 9999.9  29.44 99.9 99.9 99.9
202433914121RCKM4   29 999.9 999.9 170  7.0 11.1 999 9999.9  29.44 99.9 99.9 99.9
202433914181RCKM4   29 999.9 999.9 170  6.0  8.9 999 9999.9  29.44 99.9 99.9 99.9
202433914301RCKM4   29 999.9 999.9 170  6.0  8.0 999 9999.9  29.44 99.9 99.9 99.9
202433914361RCKM4   29 999.9 999.9 170  6.0  8.0 999 9999.9  29.43 99.9 99.9 99.9
202433914421RCKM4   29 999.9 999.9 170  6.0  8.9 999 9999.9  29.43 99.9 99.9 99.9
202433914481RCKM4   29 999.9 999.9 170  7.0  8.9 999 9999.9  29.42 99.9 99.9 99.9
202433914541RCKM4   29 999.9 999.9 190  4.1  7.0 999 9999.9  29.42 99.9 99.9 99.9
202433915001RCKM4   29 999.9 999.9 210  2.9  5.1 999 9999.9  29.42 99.9 99.9 99.9
202433915061RCKM4   29 999.9 999.9 270  4.1  5.1 999 9999.9  29.42 99.9 99.9 99.9
202433915121RCKM4   29 999.9 999.9 270  2.9  4.1 999 9999.9  29.41 99.9 99.9 99.9
202433915181RCKM4   29 999.9 999.9 310  5.1  8.9 999 9999.9  29.41 99.9 99.9 99.9
202433915241RCKM4   29 999.9 999.9 300  6.0  8.9 999 9999.9  29.41 99.9 99.9 99.9
202433915301RCKM4   29 999.9 999.9 290  5.1  8.0 999 9999.9  29.41 99.9 99.9 99.9
202433915361RCKM4   29 999.9 999.9 290  5.1  7.0 999 9999.9  29.41 99.9 99.9 99.9
202433915421RCKM4   29 999.9 999.9 300  5.1  8.9 999 9999.9  29.40 99.9 99.9 99.9
202433915481RCKM4   29 999.9 999.9 290  4.1  8.9 999 9999.9  29.40 99.9 99.9 99.9
202433915541RCKM4   29 999.9 999.9 290  6.0  8.9 999 9999.9  29.40 99.9 99.9 99.9
202433916001RCKM4   29 999.9 999.9 270  6.0 13.0 999 9999.9  29.40 99.9 99.9 99.9
202433916061RCKM4   29 999.9 999.9 260  6.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202433916121RCKM4   29 999.9 999.9 260  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202433916181RCKM4   29 999.9 999.9 280  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202433916241RCKM4   29 999.9 999.9 280  2.9  6.0 999 9999.9  29.38 99.9 99.9 99.9
202433916301RCKM4   29 999.9 999.9 260  4.1  7.0 999 9999.9  29.38 99.9 99.9 99.9
202433916361RCKM4   29 999.9 999.9 270  5.1  8.0 999 9999.9  29.38 99.9 99.9 99.9
202433916421RCKM4   29 999.9 999.9 260  5.1  8.9 999 9999.9  29.37 99.9 99.9 99.9
202433916481RCKM4   29 999.9 999.9 260  6.0  8.9 999 9999.9  29.37 99.9 99.9 99.9
202433916541RCKM4   29 999.9 999.9 280  2.9  7.0 999 9999.9  29.37 99.9 99.9 99.9
202433917001RCKM4   29 999.9 999.9 270  4.1  8.0 999 9999.9  29.36 99.9 99.9 99.9
202433917061RCKM4   29 999.9 999.9 260  4.1  8.0 999 9999.9  29.36 99.9 99.9 99.9
202433917121RCKM4   29 999.9 999.9 260  5.1  6.0 999 9999.9  29.36 99.9 99.9 99.9
202433917181RCKM4   29 999.9 999.9 250  1.9  6.0 999 9999.9  29.36 99.9 99.9 99.9
202433917241RCKM4   29 999.9 999.9 270  4.1  6.0 999 9999.9  29.35 99.9 99.9 99.9
202433917301RCKM4   29 999.9 999.9 290  4.1  6.0 999 9999.9  29.35 99.9 99.9 99.9
202433917361RCKM4   29 999.9 999.9 260  2.9  5.1 999 9999.9  29.34 99.9 99.9 99.9
202433917421RCKM4   29 999.9 999.9 250  4.1  6.0 999 9999.9  29.34 99.9 99.9 99.9
202433917481RCKM4   29 999.9 999.9 260  4.1  6.0 999 9999.9  29.34 99.9 99.9 99.9
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