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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: 1726 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 (341)
 (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
202434100001RCKM4   29 999.9 999.9 340  7.0  8.9 999 9999.9  30.16 99.9 99.9 99.9
202434100061RCKM4   29 999.9 999.9 340  6.0  8.0 999 9999.9  30.16 99.9 99.9 99.9
202434100121RCKM4   29 999.9 999.9 330  5.1  6.0 999 9999.9  30.16 99.9 99.9 99.9
202434100181RCKM4   29 999.9 999.9 340  7.0  8.0 999 9999.9  30.17 99.9 99.9 99.9
202434100241RCKM4   29 999.9 999.9 340  6.0  8.0 999 9999.9  30.17 99.9 99.9 99.9
202434100301RCKM4   29 999.9 999.9 290  4.1  6.0 999 9999.9  30.17 99.9 99.9 99.9
202434100361RCKM4   29 999.9 999.9 270  4.1  6.0 999 9999.9  30.18 99.9 99.9 99.9
202434100421RCKM4   29 999.9 999.9 280  4.1  6.0 999 9999.9  30.18 99.9 99.9 99.9
202434100481RCKM4   29 999.9 999.9 300  5.1  7.0 999 9999.9  30.18 99.9 99.9 99.9
202434100541RCKM4   29 999.9 999.9 320  6.0  8.0 999 9999.9  30.18 99.9 99.9 99.9
202434101001RCKM4   29 999.9 999.9 290  2.9  6.0 999 9999.9  30.18 99.9 99.9 99.9
202434101061RCKM4   29 999.9 999.9 280  2.9  4.1 999 9999.9  30.18 99.9 99.9 99.9
202434101121RCKM4   29 999.9 999.9 300  1.9  4.1 999 9999.9  30.18 99.9 99.9 99.9
202434101181RCKM4   29 999.9 999.9 290  1.9  2.9 999 9999.9  30.18 99.9 99.9 99.9
202434101241RCKM4   29 999.9 999.9 280  2.9  2.9 999 9999.9  30.18 99.9 99.9 99.9
202434101301RCKM4   29 999.9 999.9 270  1.9  2.9 999 9999.9  30.18 99.9 99.9 99.9
202434101361RCKM4   29 999.9 999.9 280  2.9  4.1 999 9999.9  30.17 99.9 99.9 99.9
202434101421RCKM4   29 999.9 999.9 290  1.9  4.1 999 9999.9  30.18 99.9 99.9 99.9
202434101481RCKM4   29 999.9 999.9 270  1.0  2.9 999 9999.9  30.17 99.9 99.9 99.9
202434101541RCKM4   29 999.9 999.9   0  0.0  1.9 999 9999.9  30.17 99.9 99.9 99.9
202434102001RCKM4   29 999.9 999.9 330  1.0  1.9 999 9999.9  30.17 99.9 99.9 99.9
202434102061RCKM4   29 999.9 999.9 260  1.0  1.9 999 9999.9  30.17 99.9 99.9 99.9
202434102121RCKM4   29 999.9 999.9 250  1.0  1.9 999 9999.9  30.18 99.9 99.9 99.9
202434102181RCKM4   29 999.9 999.9 290  1.9  5.1 999 9999.9  30.18 99.9 99.9 99.9
202434102241RCKM4   29 999.9 999.9 320  1.9  2.9 999 9999.9  30.18 99.9 99.9 99.9
202434102301RCKM4   29 999.9 999.9 300  1.0  1.9 999 9999.9  30.17 99.9 99.9 99.9
202434102541RCKM4   29 999.9 999.9   0  0.0  2.9 999 9999.9  30.17 99.9 99.9 99.9
202434103001RCKM4   29 999.9 999.9 250  2.9  5.1 999 9999.9  30.17 99.9 99.9 99.9
202434103061RCKM4   29 999.9 999.9 240  5.1  5.1 999 9999.9  30.17 99.9 99.9 99.9
202434103121RCKM4   29 999.9 999.9 250  4.1  6.0 999 9999.9  30.17 99.9 99.9 99.9
202434103181RCKM4   29 999.9 999.9 270  2.9  6.0 999 9999.9  30.17 99.9 99.9 99.9
202434103241RCKM4   29 999.9 999.9 260  1.9  4.1 999 9999.9  30.17 99.9 99.9 99.9
202434103301RCKM4   29 999.9 999.9 250  5.1  7.0 999 9999.9  30.17 99.9 99.9 99.9
202434103361RCKM4   29 999.9 999.9 240  6.0  7.0 999 9999.9  30.17 99.9 99.9 99.9
202434103421RCKM4   29 999.9 999.9 250  7.0  8.9 999 9999.9  30.17 99.9 99.9 99.9
202434103481RCKM4   29 999.9 999.9 250  6.0  8.0 999 9999.9  30.17 99.9 99.9 99.9
202434103541RCKM4   29 999.9 999.9 250  6.0  8.0 999 9999.9  30.17 99.9 99.9 99.9
202434104001RCKM4   29 999.9 999.9 260  5.1  8.0 999 9999.9  30.17 99.9 99.9 99.9
202434104061RCKM4   29 999.9 999.9 250  5.1  7.0 999 9999.9  30.17 99.9 99.9 99.9
202434104121RCKM4   29 999.9 999.9 240  5.1  7.0 999 9999.9  30.17 99.9 99.9 99.9
202434104181RCKM4   29 999.9 999.9 240  5.1  7.0 999 9999.9  30.17 99.9 99.9 99.9
202434104241RCKM4   29 999.9 999.9 240  5.1  6.0 999 9999.9  30.16 99.9 99.9 99.9
202434104301RCKM4   29 999.9 999.9 230  5.1  7.0 999 9999.9  30.16 99.9 99.9 99.9
202434104361RCKM4   29 999.9 999.9 220  4.1  5.1 999 9999.9  30.16 99.9 99.9 99.9
202434104421RCKM4   29 999.9 999.9 230  6.0  6.0 999 9999.9  30.16 99.9 99.9 99.9
202434104481RCKM4   29 999.9 999.9 230  5.1  7.0 999 9999.9  30.16 99.9 99.9 99.9
202434104541RCKM4   29 999.9 999.9 230  6.0  7.0 999 9999.9  30.16 99.9 99.9 99.9
202434105001RCKM4   29 999.9 999.9 230  5.1  7.0 999 9999.9  30.16 99.9 99.9 99.9
202434105061RCKM4   29 999.9 999.9 240  5.1  7.0 999 9999.9  30.16 99.9 99.9 99.9
202434105121RCKM4   29 999.9 999.9 240  5.1  6.0 999 9999.9  30.16 99.9 99.9 99.9
202434105181RCKM4   29 999.9 999.9 240  5.1  6.0 999 9999.9  30.16 99.9 99.9 99.9
202434105241RCKM4   29 999.9 999.9 230  4.1  5.1 999 9999.9  30.16 99.9 99.9 99.9
202434105301RCKM4   29 999.9 999.9 220  2.9  4.1 999 9999.9  30.16 99.9 99.9 99.9
202434105361RCKM4   29 999.9 999.9 210  2.9  4.1 999 9999.9  30.15 99.9 99.9 99.9
202434105421RCKM4   29 999.9 999.9 200  4.1  5.1 999 9999.9  30.15 99.9 99.9 99.9
202434105481RCKM4   29 999.9 999.9 200  2.9  4.1 999 9999.9  30.14 99.9 99.9 99.9
202434105541RCKM4   29 999.9 999.9 180  2.9  5.1 999 9999.9  30.14 99.9 99.9 99.9
202434106001RCKM4   29 999.9 999.9 200  2.9  4.1 999 9999.9  30.14 99.9 99.9 99.9
202434106061RCKM4   29 999.9 999.9 190  1.9  2.9 999 9999.9  30.14 99.9 99.9 99.9
202434106121RCKM4   29 999.9 999.9 160  2.9  4.1 999 9999.9  30.14 99.9 99.9 99.9
202434106181RCKM4   29 999.9 999.9 240  2.9  4.1 999 9999.9  30.14 99.9 99.9 99.9
202434106241RCKM4   29 999.9 999.9 220  4.1  5.1 999 9999.9  30.14 99.9 99.9 99.9
202434106301RCKM4   29 999.9 999.9 210  2.9  5.1 999 9999.9  30.14 99.9 99.9 99.9
202434106361RCKM4   29 999.9 999.9 170  5.1  6.0 999 9999.9  30.14 99.9 99.9 99.9
202434106421RCKM4   29 999.9 999.9 170  4.1  6.0 999 9999.9  30.13 99.9 99.9 99.9
202434106481RCKM4   29 999.9 999.9 160  2.9  5.1 999 9999.9  30.13 99.9 99.9 99.9
202434106541RCKM4   29 999.9 999.9 140  1.9  4.1 999 9999.9  30.13 99.9 99.9 99.9
202434107001RCKM4   29 999.9 999.9 140  1.9  2.9 999 9999.9  30.13 99.9 99.9 99.9
202434107061RCKM4   29 999.9 999.9 170  1.9  2.9 999 9999.9  30.13 99.9 99.9 99.9
202434107121RCKM4   29 999.9 999.9 150  1.9  2.9 999 9999.9  30.13 99.9 99.9 99.9
202434107181RCKM4   29 999.9 999.9 220  1.9  2.9 999 9999.9  30.13 99.9 99.9 99.9
202434107241RCKM4   29 999.9 999.9 250  1.0  1.9 999 9999.9  30.13 99.9 99.9 99.9
202434107301RCKM4   29 999.9 999.9   0  0.0  2.9 999 9999.9  30.13 99.9 99.9 99.9
202434107361RCKM4   29 999.9 999.9   0  0.0  1.9 999 9999.9  30.13 99.9 99.9 99.9
202434107421RCKM4   29 999.9 999.9   0  0.0  1.0 999 9999.9  30.12 99.9 99.9 99.9
202434107481RCKM4   29 999.9 999.9   0  0.0  1.9 999 9999.9  30.12 99.9 99.9 99.9
202434107541RCKM4   29 999.9 999.9 290  1.0  1.9 999 9999.9  30.12 99.9 99.9 99.9
202434108001RCKM4   29 999.9 999.9   0  0.0  1.9 999 9999.9  30.12 99.9 99.9 99.9
202434108061RCKM4   29 999.9 999.9   0  0.0  1.0 999 9999.9  30.11 99.9 99.9 99.9
202434108121RCKM4   29 999.9 999.9   0  0.0  1.0 999 9999.9  30.11 99.9 99.9 99.9
202434108181RCKM4   29 999.9 999.9 230  1.9  1.9 999 9999.9  30.11 99.9 99.9 99.9
202434108241RCKM4   29 999.9 999.9 270  1.9  4.1 999 9999.9  30.11 99.9 99.9 99.9
202434108301RCKM4   29 999.9 999.9 300  2.9  4.1 999 9999.9  30.11 99.9 99.9 99.9
202434108361RCKM4   29 999.9 999.9 300  1.9  2.9 999 9999.9  30.11 99.9 99.9 99.9
202434108421RCKM4   29 999.9 999.9 290  2.9  4.1 999 9999.9  30.11 99.9 99.9 99.9
202434108481RCKM4   29 999.9 999.9 290  2.9  5.1 999 9999.9  30.11 99.9 99.9 99.9
202434108541RCKM4   29 999.9 999.9 270  5.1  7.0 999 9999.9  30.11 99.9 99.9 99.9
202434109001RCKM4   29 999.9 999.9 260  4.1  7.0 999 9999.9  30.10 99.9 99.9 99.9
202434109061RCKM4   29 999.9 999.9 270  2.9  6.0 999 9999.9  30.10 99.9 99.9 99.9
202434109121RCKM4   29 999.9 999.9 270  5.1  7.0 999 9999.9  30.10 99.9 99.9 99.9
202434109181RCKM4   29 999.9 999.9 260  5.1  8.0 999 9999.9  30.10 99.9 99.9 99.9
202434109241RCKM4   29 999.9 999.9 250  4.1  7.0 999 9999.9  30.10 99.9 99.9 99.9
202434109301RCKM4   29 999.9 999.9 250  4.1  7.0 999 9999.9  30.10 99.9 99.9 99.9
202434109361RCKM4   29 999.9 999.9 250  4.1  7.0 999 9999.9  30.09 99.9 99.9 99.9
202434109421RCKM4   29 999.9 999.9 270  4.1  7.0 999 9999.9  30.09 99.9 99.9 99.9
202434109481RCKM4   29 999.9 999.9 260  6.0  8.9 999 9999.9  30.09 99.9 99.9 99.9
202434109541RCKM4   29 999.9 999.9 260  5.1  9.9 999 9999.9  30.09 99.9 99.9 99.9
202434110001RCKM4   29 999.9 999.9 260  6.0 11.1 999 9999.9  30.09 99.9 99.9 99.9
202434110061RCKM4   29 999.9 999.9 260  5.1 11.1 999 9999.9  30.08 99.9 99.9 99.9
202434110121RCKM4   29 999.9 999.9 250  4.1  8.0 999 9999.9  30.08 99.9 99.9 99.9
202434110181RCKM4   29 999.9 999.9 250  6.0  9.9 999 9999.9  30.08 99.9 99.9 99.9
202434110241RCKM4   29 999.9 999.9 250  5.1  8.0 999 9999.9  30.07 99.9 99.9 99.9
202434110301RCKM4   29 999.9 999.9 260  6.0  9.9 999 9999.9  30.07 99.9 99.9 99.9
202434110361RCKM4   29 999.9 999.9 260  6.0 11.1 999 9999.9  30.07 99.9 99.9 99.9
202434110421RCKM4   29 999.9 999.9 260  7.0 12.1 999 9999.9  30.07 99.9 99.9 99.9
202434110481RCKM4   29 999.9 999.9 270  8.0 12.1 999 9999.9  30.07 99.9 99.9 99.9
202434110541RCKM4   29 999.9 999.9 260  6.0 11.1 999 9999.9  30.07 99.9 99.9 99.9
202434111001RCKM4   29 999.9 999.9 270  8.0 12.1 999 9999.9  30.06 99.9 99.9 99.9
202434111061RCKM4   29 999.9 999.9 260  6.0 12.1 999 9999.9  30.06 99.9 99.9 99.9
202434111121RCKM4   29 999.9 999.9 250  6.0 13.0 999 9999.9  30.07 99.9 99.9 99.9
202434111181RCKM4   29 999.9 999.9 250  7.0  9.9 999 9999.9  30.07 99.9 99.9 99.9
202434111241RCKM4   29 999.9 999.9 240  6.0 12.1 999 9999.9  30.07 99.9 99.9 99.9
202434111301RCKM4   29 999.9 999.9 260  5.1 11.1 999 9999.9  30.06 99.9 99.9 99.9
202434111361RCKM4   29 999.9 999.9 250  5.1 12.1 999 9999.9  30.06 99.9 99.9 99.9
202434111421RCKM4   29 999.9 999.9 260  6.0 12.1 999 9999.9  30.06 99.9 99.9 99.9
202434111481RCKM4   29 999.9 999.9 240  5.1 12.1 999 9999.9  30.06 99.9 99.9 99.9
202434111541RCKM4   29 999.9 999.9 260  6.0 11.1 999 9999.9  30.06 99.9 99.9 99.9
202434112001RCKM4   29 999.9 999.9 270  7.0 12.1 999 9999.9  30.06 99.9 99.9 99.9
202434112061RCKM4   29 999.9 999.9 250  5.1 12.1 999 9999.9  30.06 99.9 99.9 99.9
202434112121RCKM4   29 999.9 999.9 250  6.0 11.1 999 9999.9  30.05 99.9 99.9 99.9
202434112181RCKM4   29 999.9 999.9 240  5.1  8.0 999 9999.9  30.05 99.9 99.9 99.9
202434112241RCKM4   29 999.9 999.9 240  6.0 11.1 999 9999.9  30.05 99.9 99.9 99.9
202434112301RCKM4   29 999.9 999.9 240  5.1 12.1 999 9999.9  30.05 99.9 99.9 99.9
202434112361RCKM4   29 999.9 999.9 240  6.0 11.1 999 9999.9  30.04 99.9 99.9 99.9
202434112421RCKM4   29 999.9 999.9 260  5.1  9.9 999 9999.9  30.04 99.9 99.9 99.9
202434112481RCKM4   29 999.9 999.9 260  6.0 11.1 999 9999.9  30.04 99.9 99.9 99.9
202434112541RCKM4   29 999.9 999.9 250  5.1  8.9 999 9999.9  30.04 99.9 99.9 99.9
202434113001RCKM4   29 999.9 999.9 250  6.0 11.1 999 9999.9  30.04 99.9 99.9 99.9
202434113061RCKM4   29 999.9 999.9 270  6.0  9.9 999 9999.9  30.04 99.9 99.9 99.9
202434113121RCKM4   29 999.9 999.9 250  6.0  8.9 999 9999.9  30.04 99.9 99.9 99.9
202434113181RCKM4   29 999.9 999.9 260  6.0 12.1 999 9999.9  30.04 99.9 99.9 99.9
202434113241RCKM4   29 999.9 999.9 250  7.0 13.0 999 9999.9  30.04 99.9 99.9 99.9
202434113301RCKM4   29 999.9 999.9 240  4.1  8.0 999 9999.9  30.04 99.9 99.9 99.9
202434113361RCKM4   29 999.9 999.9 230  2.9  8.9 999 9999.9  30.04 99.9 99.9 99.9
202434113421RCKM4   29 999.9 999.9 250  5.1  9.9 999 9999.9  30.04 99.9 99.9 99.9
202434113481RCKM4   29 999.9 999.9 250  5.1  9.9 999 9999.9  30.04 99.9 99.9 99.9
202434113541RCKM4   29 999.9 999.9 240  5.1  9.9 999 9999.9  30.03 99.9 99.9 99.9
202434114001RCKM4   29 999.9 999.9 250  5.1  9.9 999 9999.9  30.04 99.9 99.9 99.9
202434114061RCKM4   29 999.9 999.9 260  7.0 14.0 999 9999.9  30.04 99.9 99.9 99.9
202434114121RCKM4   29 999.9 999.9 270  5.1  8.9 999 9999.9  30.03 99.9 99.9 99.9
202434114181RCKM4   29 999.9 999.9 270  7.0 13.0 999 9999.9  30.03 99.9 99.9 99.9
202434114241RCKM4   29 999.9 999.9 270  8.0 13.0 999 9999.9  30.03 99.9 99.9 99.9
202434114301RCKM4   29 999.9 999.9 270  5.1  9.9 999 9999.9  30.03 99.9 99.9 99.9
202434114361RCKM4   29 999.9 999.9 260  8.0 12.1 999 9999.9  30.03 99.9 99.9 99.9
202434114421RCKM4   29 999.9 999.9 260  5.1  9.9 999 9999.9  30.03 99.9 99.9 99.9
202434114481RCKM4   29 999.9 999.9 280  4.1  9.9 999 9999.9  30.03 99.9 99.9 99.9
202434114541RCKM4   29 999.9 999.9 260  8.9 13.0 999 9999.9  30.03 99.9 99.9 99.9
202434115001RCKM4   29 999.9 999.9 270  5.1 12.1 999 9999.9  30.03 99.9 99.9 99.9
202434115061RCKM4   29 999.9 999.9 260  6.0  9.9 999 9999.9  30.03 99.9 99.9 99.9
202434115121RCKM4   29 999.9 999.9 270  6.0 12.1 999 9999.9  30.03 99.9 99.9 99.9
202434115181RCKM4   29 999.9 999.9 270  5.1  8.9 999 9999.9  30.02 99.9 99.9 99.9
202434115241RCKM4   29 999.9 999.9 280  5.1 11.1 999 9999.9  30.02 99.9 99.9 99.9
202434115301RCKM4   29 999.9 999.9 280  4.1  8.0 999 9999.9  30.03 99.9 99.9 99.9
202434115361RCKM4   29 999.9 999.9 270  6.0 11.1 999 9999.9  30.02 99.9 99.9 99.9
202434115421RCKM4   29 999.9 999.9 270  6.0 13.0 999 9999.9  30.02 99.9 99.9 99.9
202434115481RCKM4   29 999.9 999.9 270  5.1  8.9 999 9999.9  30.02 99.9 99.9 99.9
202434115541RCKM4   29 999.9 999.9 280  5.1  8.0 999 9999.9  30.01 99.9 99.9 99.9
202434116001RCKM4   29 999.9 999.9 310  5.1  8.9 999 9999.9  30.01 99.9 99.9 99.9
202434116061RCKM4   29 999.9 999.9 290  7.0  9.9 999 9999.9  30.01 99.9 99.9 99.9
202434116121RCKM4   29 999.9 999.9 270  5.1  8.0 999 9999.9  30.00 99.9 99.9 99.9
202434116181RCKM4   29 999.9 999.9 280  4.1  7.0 999 9999.9  30.00 99.9 99.9 99.9
202434116241RCKM4   29 999.9 999.9 290  6.0  8.9 999 9999.9  29.99 99.9 99.9 99.9
202434116301RCKM4   29 999.9 999.9 270  2.9  8.0 999 9999.9  29.99 99.9 99.9 99.9
202434116361RCKM4   29 999.9 999.9 250  5.1  9.9 999 9999.9  29.99 99.9 99.9 99.9
202434116421RCKM4   29 999.9 999.9 240  8.0 13.0 999 9999.9  29.99 99.9 99.9 99.9
202434116481RCKM4   29 999.9 999.9 250  9.9 16.9 999 9999.9  29.98 99.9 99.9 99.9
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