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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: 1608 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 (164)
 (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 202516400001RCKM4 29 999.9 999.9 290 8.9 13.0 999 9999.9 30.14 52.5 99.9 99.9 202516400061RCKM4 29 999.9 999.9 310 12.1 15.9 999 9999.9 30.14 52.5 99.9 99.9 202516400121RCKM4 29 999.9 999.9 300 12.1 15.0 999 9999.9 30.15 52.5 99.9 99.9 202516400181RCKM4 29 999.9 999.9 310 11.1 15.9 999 9999.9 30.15 52.5 99.9 99.9 202516400241RCKM4 29 999.9 999.9 310 12.1 15.9 999 9999.9 30.16 99.9 99.9 99.9 202516400301RCKM4 29 999.9 999.9 300 13.0 16.9 999 9999.9 30.16 99.9 99.9 99.9 202516400361RCKM4 29 999.9 999.9 310 13.0 15.9 999 9999.9 30.16 52.5 99.9 99.9 202516400421RCKM4 29 999.9 999.9 300 9.9 15.0 999 9999.9 30.16 52.5 99.9 99.9 202516400481RCKM4 29 999.9 999.9 300 13.0 15.9 999 9999.9 30.16 52.5 99.9 99.9 202516400541RCKM4 29 999.9 999.9 310 12.1 15.9 999 9999.9 30.16 52.5 99.9 99.9 202516401001RCKM4 29 999.9 999.9 300 9.9 15.9 999 9999.9 30.16 52.5 99.9 99.9 202516401061RCKM4 29 999.9 999.9 300 12.1 15.9 999 9999.9 30.16 52.5 99.9 99.9 202516401121RCKM4 29 999.9 999.9 300 12.1 16.9 999 9999.9 30.16 52.5 99.9 99.9 202516401181RCKM4 29 999.9 999.9 300 12.1 15.0 999 9999.9 30.16 52.5 99.9 99.9 202516401241RCKM4 29 999.9 999.9 300 11.1 14.0 999 9999.9 30.15 52.5 99.9 99.9 202516401301RCKM4 29 999.9 999.9 310 12.1 14.0 999 9999.9 30.16 52.5 99.9 99.9 202516401361RCKM4 29 999.9 999.9 310 11.1 15.0 999 9999.9 30.16 52.5 99.9 99.9 202516401421RCKM4 29 999.9 999.9 300 9.9 13.0 999 9999.9 30.16 52.5 99.9 99.9 202516401481RCKM4 29 999.9 999.9 300 11.1 13.0 999 9999.9 30.16 52.5 99.9 99.9 202516401541RCKM4 29 999.9 999.9 290 8.9 13.0 999 9999.9 30.16 52.5 99.9 99.9 202516402001RCKM4 29 999.9 999.9 300 9.9 14.0 999 9999.9 30.16 52.5 99.9 99.9 202516402061RCKM4 29 999.9 999.9 300 11.1 13.0 999 9999.9 30.16 52.5 99.9 99.9 202516402121RCKM4 29 999.9 999.9 300 8.9 14.0 999 9999.9 30.16 52.5 99.9 99.9 202516402181RCKM4 29 999.9 999.9 300 8.9 14.0 999 9999.9 30.16 52.5 99.9 99.9 202516402241RCKM4 29 999.9 999.9 310 8.0 12.1 999 9999.9 30.17 52.5 99.9 99.9 202516402301RCKM4 29 999.9 999.9 310 8.0 11.1 999 9999.9 30.17 52.5 99.9 99.9 202516402361RCKM4 29 999.9 999.9 300 8.0 12.1 999 9999.9 30.17 52.5 99.9 99.9 202516402421RCKM4 29 999.9 999.9 290 9.9 13.0 999 9999.9 30.17 52.5 99.9 99.9 202516402481RCKM4 29 999.9 999.9 310 9.9 13.0 999 9999.9 30.16 52.5 99.9 99.9 202516402541RCKM4 29 999.9 999.9 310 11.1 15.0 999 9999.9 30.16 52.5 99.9 99.9 202516403001RCKM4 29 999.9 999.9 300 8.9 12.1 999 9999.9 30.17 52.5 99.9 99.9 202516403061RCKM4 29 999.9 999.9 310 9.9 14.0 999 9999.9 30.16 52.5 99.9 99.9 202516403121RCKM4 29 999.9 999.9 310 9.9 15.0 999 9999.9 30.16 52.5 99.9 99.9 202516403181RCKM4 29 999.9 999.9 310 8.9 13.0 999 9999.9 30.16 52.5 99.9 99.9 202516403241RCKM4 29 999.9 999.9 300 8.0 13.0 999 9999.9 30.16 52.5 99.9 99.9 202516403301RCKM4 29 999.9 999.9 300 7.0 9.9 999 9999.9 30.16 52.5 99.9 99.9 202516403361RCKM4 29 999.9 999.9 290 8.0 9.9 999 9999.9 30.16 52.5 99.9 99.9 202516403421RCKM4 29 999.9 999.9 280 7.0 11.1 999 9999.9 30.16 52.5 99.9 99.9 202516403481RCKM4 29 999.9 999.9 290 7.0 8.9 999 9999.9 30.16 52.5 99.9 99.9 202516403541RCKM4 29 999.9 999.9 290 7.0 8.9 999 9999.9 30.16 52.5 99.9 99.9 202516404001RCKM4 29 999.9 999.9 300 7.0 8.0 999 9999.9 30.17 52.5 99.9 99.9 202516404061RCKM4 29 999.9 999.9 300 7.0 8.9 999 9999.9 30.16 52.5 99.9 99.9 202516404121RCKM4 29 999.9 999.9 310 6.0 8.9 999 9999.9 30.16 52.5 99.9 99.9 202516404181RCKM4 29 999.9 999.9 300 9.9 12.1 999 9999.9 30.16 52.5 99.9 99.9 202516404241RCKM4 29 999.9 999.9 320 8.0 12.1 999 9999.9 30.16 52.5 99.9 99.9 202516404301RCKM4 29 999.9 999.9 310 8.9 12.1 999 9999.9 30.16 52.5 99.9 99.9 202516404361RCKM4 29 999.9 999.9 320 9.9 13.0 999 9999.9 30.16 52.5 99.9 99.9 202516404421RCKM4 29 999.9 999.9 310 8.9 13.0 999 9999.9 30.16 52.5 99.9 99.9 202516404481RCKM4 29 999.9 999.9 310 11.1 13.0 999 9999.9 30.16 52.5 99.9 99.9 202516404541RCKM4 29 999.9 999.9 310 11.1 14.0 999 9999.9 30.16 52.5 99.9 99.9 202516405001RCKM4 29 999.9 999.9 300 11.1 12.1 999 9999.9 30.16 52.5 99.9 99.9 202516405061RCKM4 29 999.9 999.9 310 9.9 13.0 999 9999.9 30.16 52.5 99.9 99.9 202516405121RCKM4 29 999.9 999.9 320 8.9 12.1 999 9999.9 30.16 52.5 99.9 99.9 202516405181RCKM4 29 999.9 999.9 320 9.9 12.1 999 9999.9 30.16 52.2 99.9 99.9 202516405241RCKM4 29 999.9 999.9 320 9.9 12.1 999 9999.9 30.16 52.2 99.9 99.9 202516405301RCKM4 29 999.9 999.9 320 8.9 12.1 999 9999.9 30.15 52.2 99.9 99.9 202516405361RCKM4 29 999.9 999.9 320 8.0 11.1 999 9999.9 9999.9 52.2 99.9 99.9 202516405421RCKM4 29 999.9 999.9 320 8.0 9.9 999 9999.9 9999.9 52.2 99.9 99.9 202516405481RCKM4 29 999.9 999.9 320 8.0 11.1 999 9999.9 9999.9 52.2 99.9 99.9 202516406001RCKM4 29 999.9 999.9 330 8.0 9.9 999 9999.9 30.16 52.2 99.9 99.9 202516406061RCKM4 29 999.9 999.9 320 7.0 8.9 999 9999.9 30.16 52.2 99.9 99.9 202516406121RCKM4 29 999.9 999.9 320 8.0 8.9 999 9999.9 30.16 52.2 99.9 99.9 202516406181RCKM4 29 999.9 999.9 330 7.0 8.9 999 9999.9 30.16 52.2 99.9 99.9 202516406241RCKM4 29 999.9 999.9 330 7.0 8.0 999 9999.9 30.15 52.2 99.9 99.9 202516406301RCKM4 29 999.9 999.9 330 6.0 8.0 999 9999.9 30.15 52.2 99.9 99.9 202516406361RCKM4 29 999.9 999.9 330 7.0 8.0 999 9999.9 30.15 52.2 99.9 99.9 202516406421RCKM4 29 999.9 999.9 330 7.0 8.0 999 9999.9 30.15 52.2 99.9 99.9 202516406481RCKM4 29 999.9 999.9 330 6.0 8.0 999 9999.9 30.16 52.2 99.9 99.9 202516406541RCKM4 29 999.9 999.9 330 7.0 8.0 999 9999.9 30.15 52.2 99.9 99.9 202516407001RCKM4 29 999.9 999.9 330 6.0 7.0 999 9999.9 30.15 52.2 99.9 99.9 202516407061RCKM4 29 999.9 999.9 330 6.0 8.0 999 9999.9 30.15 52.2 99.9 99.9 202516407121RCKM4 29 999.9 999.9 320 6.0 7.0 999 9999.9 30.15 52.2 99.9 99.9 202516407181RCKM4 29 999.9 999.9 330 6.0 7.0 999 9999.9 30.16 52.2 99.9 99.9 202516407241RCKM4 29 999.9 999.9 330 6.0 7.0 999 9999.9 30.16 52.2 99.9 99.9 202516407301RCKM4 29 999.9 999.9 330 5.1 8.0 999 9999.9 30.16 52.2 99.9 99.9 202516407361RCKM4 29 999.9 999.9 330 6.0 8.0 999 9999.9 30.16 52.2 99.9 99.9 202516407421RCKM4 29 999.9 999.9 330 6.0 7.0 999 9999.9 30.16 52.2 99.9 99.9 202516407481RCKM4 29 999.9 999.9 320 5.1 7.0 999 9999.9 30.16 52.2 99.9 99.9 202516407541RCKM4 29 999.9 999.9 340 6.0 7.0 999 9999.9 30.16 52.2 99.9 99.9 202516408001RCKM4 29 999.9 999.9 340 4.1 6.0 999 9999.9 30.16 52.2 99.9 99.9 202516408061RCKM4 29 999.9 999.9 340 4.1 5.1 999 9999.9 30.16 52.2 99.9 99.9 202516408121RCKM4 29 999.9 999.9 330 4.1 4.1 999 9999.9 30.16 52.2 99.9 99.9 202516408181RCKM4 29 999.9 999.9 340 5.1 6.0 999 9999.9 30.17 52.2 99.9 99.9 202516408241RCKM4 29 999.9 999.9 340 4.1 5.1 999 9999.9 30.17 52.2 99.9 99.9 202516408301RCKM4 29 999.9 999.9 340 5.1 5.1 999 9999.9 30.17 52.2 99.9 99.9 202516408361RCKM4 29 999.9 999.9 330 5.1 6.0 999 9999.9 30.17 52.2 99.9 99.9 202516408421RCKM4 29 999.9 999.9 320 5.1 5.1 999 9999.9 30.18 52.2 99.9 99.9 202516408481RCKM4 29 999.9 999.9 320 4.1 5.1 999 9999.9 30.18 52.2 99.9 99.9 202516408541RCKM4 29 999.9 999.9 330 4.1 5.1 999 9999.9 30.18 52.2 99.9 99.9 202516409001RCKM4 29 999.9 999.9 330 4.1 5.1 999 9999.9 30.18 52.2 99.9 99.9 202516409061RCKM4 29 999.9 999.9 320 2.9 5.1 999 9999.9 30.18 52.2 99.9 99.9 202516409121RCKM4 29 999.9 999.9 330 4.1 5.1 999 9999.9 30.18 52.2 99.9 99.9 202516409181RCKM4 29 999.9 999.9 330 4.1 5.1 999 9999.9 30.18 52.2 99.9 99.9 202516409241RCKM4 29 999.9 999.9 330 4.1 5.1 999 9999.9 30.18 52.2 99.9 99.9 202516409301RCKM4 29 999.9 999.9 320 4.1 4.1 999 9999.9 30.18 52.2 99.9 99.9 202516409361RCKM4 29 999.9 999.9 320 4.1 5.1 999 9999.9 30.18 52.2 99.9 99.9 202516409421RCKM4 29 999.9 999.9 330 4.1 5.1 999 9999.9 30.18 52.2 99.9 99.9 202516409481RCKM4 29 999.9 999.9 330 2.9 4.1 999 9999.9 30.18 52.2 99.9 99.9 202516409541RCKM4 29 999.9 999.9 340 4.1 4.1 999 9999.9 30.18 52.2 99.9 99.9 202516410001RCKM4 29 999.9 999.9 340 2.9 4.1 999 9999.9 30.18 52.2 99.9 99.9 202516410061RCKM4 29 999.9 999.9 330 2.9 2.9 999 9999.9 30.18 52.2 99.9 99.9 202516410121RCKM4 29 999.9 999.9 330 2.9 4.1 999 9999.9 30.18 52.2 99.9 99.9 202516410181RCKM4 29 999.9 999.9 320 1.9 2.9 999 9999.9 30.19 52.2 99.9 99.9 202516410241RCKM4 29 999.9 999.9 310 2.9 2.9 999 9999.9 30.19 52.2 99.9 99.9 202516410301RCKM4 29 999.9 999.9 330 4.1 4.1 999 9999.9 30.19 52.2 99.9 99.9 202516410361RCKM4 29 999.9 999.9 330 2.9 4.1 999 9999.9 30.19 52.2 99.9 99.9 202516410421RCKM4 29 999.9 999.9 340 2.9 4.1 999 9999.9 30.19 52.2 99.9 99.9 202516410481RCKM4 29 999.9 999.9 350 2.9 4.1 999 9999.9 30.19 52.2 99.9 99.9 202516410541RCKM4 29 999.9 999.9 360 2.9 4.1 999 9999.9 30.19 52.2 99.9 99.9 202516411001RCKM4 29 999.9 999.9 360 2.9 4.1 999 9999.9 30.19 52.0 99.9 99.9 202516411061RCKM4 29 999.9 999.9 350 2.9 4.1 999 9999.9 30.19 52.0 99.9 99.9 202516411121RCKM4 29 999.9 999.9 340 1.9 2.9 999 9999.9 30.20 52.0 99.9 99.9 202516411181RCKM4 29 999.9 999.9 350 1.9 2.9 999 9999.9 30.19 52.0 99.9 99.9 202516411241RCKM4 29 999.9 999.9 340 1.9 2.9 999 9999.9 30.20 52.0 99.9 99.9 202516411301RCKM4 29 999.9 999.9 330 1.9 1.9 999 9999.9 30.20 52.0 99.9 99.9 202516411361RCKM4 29 999.9 999.9 360 1.0 1.9 999 9999.9 30.20 52.0 99.9 99.9 202516411421RCKM4 29 999.9 999.9 360 1.0 1.9 999 9999.9 30.20 52.0 99.9 99.9 202516411481RCKM4 29 999.9 999.9 0 0.0 1.0 999 9999.9 30.20 52.0 99.9 99.9 202516411541RCKM4 29 999.9 999.9 60 1.9 2.9 999 9999.9 30.20 52.0 99.9 99.9 202516412001RCKM4 29 999.9 999.9 50 4.1 7.0 999 9999.9 30.20 52.0 99.9 99.9 202516412061RCKM4 29 999.9 999.9 60 5.1 6.0 999 9999.9 30.20 52.0 99.9 99.9 202516412121RCKM4 29 999.9 999.9 70 2.9 8.0 999 9999.9 30.20 52.0 99.9 99.9 202516412181RCKM4 29 999.9 999.9 100 4.1 5.1 999 9999.9 30.20 52.0 99.9 99.9 202516412241RCKM4 29 999.9 999.9 90 6.0 7.0 999 9999.9 30.20 52.0 99.9 99.9 202516412301RCKM4 29 999.9 999.9 80 5.1 6.0 999 9999.9 30.20 52.0 99.9 99.9 202516412361RCKM4 29 999.9 999.9 80 5.1 8.9 999 9999.9 30.20 52.0 99.9 99.9 202516412421RCKM4 29 999.9 999.9 100 6.0 7.0 999 9999.9 30.20 52.0 99.9 99.9 202516412481RCKM4 29 999.9 999.9 80 5.1 7.0 999 9999.9 30.20 52.0 99.9 99.9 202516412541RCKM4 29 999.9 999.9 120 5.1 7.0 999 9999.9 30.20 52.0 99.9 99.9 202516413001RCKM4 29 999.9 999.9 90 6.0 8.0 999 9999.9 30.20 52.0 99.9 99.9 202516413061RCKM4 29 999.9 999.9 90 5.1 7.0 999 9999.9 30.20 52.0 99.9 99.9 202516413121RCKM4 29 999.9 999.9 90 6.0 8.0 999 9999.9 30.20 52.0 99.9 99.9 202516413181RCKM4 29 999.9 999.9 80 6.0 8.0 999 9999.9 30.21 52.0 99.9 99.9 202516413241RCKM4 29 999.9 999.9 100 5.1 8.9 999 9999.9 30.21 52.0 99.9 99.9 202516413301RCKM4 29 999.9 999.9 90 5.1 8.0 999 9999.9 30.21 52.0 99.9 99.9 202516413361RCKM4 29 999.9 999.9 120 7.0 11.1 999 9999.9 30.21 52.0 99.9 99.9 202516413421RCKM4 29 999.9 999.9 90 5.1 8.9 999 9999.9 30.21 52.0 99.9 99.9 202516413481RCKM4 29 999.9 999.9 70 6.0 8.9 999 9999.9 30.21 52.0 99.9 99.9 202516413541RCKM4 29 999.9 999.9 110 8.9 11.1 999 9999.9 30.21 52.0 99.9 99.9 202516414001RCKM4 29 999.9 999.9 110 8.9 12.1 999 9999.9 30.21 52.0 99.9 99.9 202516414061RCKM4 29 999.9 999.9 100 8.9 13.0 999 9999.9 30.21 52.0 99.9 99.9 202516414121RCKM4 29 999.9 999.9 100 8.0 9.9 999 9999.9 30.20 52.0 99.9 99.9 202516414181RCKM4 29 999.9 999.9 100 8.9 12.1 999 9999.9 30.20 52.0 99.9 99.9 202516414241RCKM4 29 999.9 999.9 130 8.9 11.1 999 9999.9 30.20 52.0 99.9 99.9 202516414301RCKM4 29 999.9 999.9 130 8.9 13.0 999 9999.9 30.21 52.0 99.9 99.9 202516414361RCKM4 29 999.9 999.9 140 8.0 9.9 999 9999.9 30.20 52.0 99.9 99.9 202516414421RCKM4 29 999.9 999.9 130 8.9 12.1 999 9999.9 30.20 52.0 99.9 99.9 202516414481RCKM4 29 999.9 999.9 130 6.0 9.9 999 9999.9 30.19 52.0 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
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  [every 4th data value plotted]
148 matching elements
0.029 sec

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