Skip to main content
NOAA / GLERL / CoastWatch Great Lakes Node / NOAAPORT Page

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: 1339 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 (190)
 (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
202519000001RCKM4   29 999.9 999.9 160  1.0  2.1 999 9999.9 1014.7 17.1 99.9 99.9             
202519000061RCKM4   29 999.9 999.9   0  0.0  1.5 999 9999.9 1014.8 17.1 99.9 99.9             
202519000121RCKM4   29 999.9 999.9 110  1.0  1.5 999 9999.9 1014.7 17.1 99.9 99.9             
202519000181RCKM4   29 999.9 999.9 140  2.6  3.1 999 9999.9 1014.8 17.1 99.9 99.9             
202519000241RCKM4   29 999.9 999.9 130  1.5  3.1 999 9999.9 9999.9 17.1 99.9 99.9             
202519000301RCKM4   29 999.9 999.9 120  2.6  3.1 999 9999.9 9999.9 17.1 99.9 99.9             
202519000361RCKM4   29 999.9 999.9 150  2.1  3.1 999 9999.9 1015.0 17.1 99.9 99.9             
202519000421RCKM4   29 999.9 999.9 150  2.1  2.1 999 9999.9 1015.1 17.1 99.9 99.9             
202519000481RCKM4   29 999.9 999.9 140  2.6  3.1 999 9999.9 1015.0 17.1 99.9 99.9             
202519000541RCKM4   29 999.9 999.9 150  1.5  3.1 999 9999.9 1015.1 17.1 99.9 99.9             
202519001001RCKM4   29 999.9 999.9 150  1.5  2.6 999 9999.9 1015.1 17.1 99.9 99.9             
202519001061RCKM4   29 999.9 999.9 140  2.1  2.6 999 9999.9 1015.2 17.1 99.9 99.9             
202519001121RCKM4   29 999.9 999.9 150  2.1  2.6 999 9999.9 1015.3 17.1 99.9 99.9             
202519001181RCKM4   29 999.9 999.9 150  2.1  2.6 999 9999.9 1015.4 17.1 99.9 99.9             
202519001361RCKM4   29 999.9 999.9 140  2.1  2.6 999 9999.9 1015.4 17.1 99.9 99.9             
202519001421RCKM4   29 999.9 999.9 150  1.0  2.1 999 9999.9 1015.5 17.1 99.9 99.9             
202519001481RCKM4   29 999.9 999.9 160  1.5  2.1 999 9999.9 1015.6 17.1 99.9 99.9             
202519001541RCKM4   29 999.9 999.9 170  1.0  1.5 999 9999.9 1015.6 17.1 99.9 99.9             
202519002001RCKM4   29 999.9 999.9   0  0.0  1.5 999 9999.9 1015.7 17.1 99.9 99.9             
202519002061RCKM4   29 999.9 999.9  30  2.1  2.1 999 9999.9 1015.6 17.1 99.9 99.9             
202519002121RCKM4   29 999.9 999.9  20  1.0  2.1 999 9999.9 1015.7 17.1 99.9 99.9             
202519002181RCKM4   29 999.9 999.9 280  1.5  2.1 999 9999.9 1015.8 17.1 99.9 99.9             
202519002241RCKM4   29 999.9 999.9 300  0.5  1.5 999 9999.9 1015.8 17.1 99.9 99.9             
202519002301RCKM4   29 999.9 999.9 360  1.0  2.1 999 9999.9 1015.8 17.1 99.9 99.9             
202519002361RCKM4   29 999.9 999.9  60  0.5  1.5 999 9999.9 1015.8 17.1 99.9 99.9             
202519002421RCKM4   29 999.9 999.9  90  1.0  1.5 999 9999.9 1015.7 17.1 99.9 99.9             
202519002481RCKM4   29 999.9 999.9 150  1.0  1.5 999 9999.9 1015.7 17.1 99.9 99.9             
202519002541RCKM4   29 999.9 999.9 150  0.5  1.5 999 9999.9 1015.8 17.1 99.9 99.9             
202519003001RCKM4   29 999.9 999.9   0  0.0  0.5 999 9999.9 1015.7 17.1 99.9 99.9             
202519003061RCKM4   29 999.9 999.9   0  0.0  1.0 999 9999.9 1015.7 17.1 99.9 99.9             
202519003121RCKM4   29 999.9 999.9   0  0.0  0.0 999 9999.9 1015.7 17.1 99.9 99.9             
202519003181RCKM4   29 999.9 999.9 330  0.5  1.0 999 9999.9 1015.8 17.1 99.9 99.9             
202519003241RCKM4   29 999.9 999.9   0  0.0  0.5 999 9999.9 1015.6 17.1 99.9 99.9             
202519003301RCKM4   29 999.9 999.9   0  0.0  0.5 999 9999.9 1015.5 17.1 99.9 99.9             
202519003361RCKM4   29 999.9 999.9  90  1.0  1.0 999 9999.9 1015.4 17.1 99.9 99.9             
202519003421RCKM4   29 999.9 999.9 150  1.0  1.5 999 9999.9 1015.3 17.1 99.9 99.9             
202519003481RCKM4   29 999.9 999.9 150  1.0  1.5 999 9999.9 1015.3 17.1 99.9 99.9             
202519003541RCKM4   29 999.9 999.9 140  1.5  1.5 999 9999.9 1015.3 17.1 99.9 99.9             
202519004001RCKM4   29 999.9 999.9 140  1.5  2.1 999 9999.9 1015.3 17.1 99.9 99.9             
202519004061RCKM4   29 999.9 999.9 160  1.0  2.1 999 9999.9 1015.4 17.1 99.9 99.9             
202519004121RCKM4   29 999.9 999.9 350  0.5  1.5 999 9999.9 1015.6 17.1 99.9 99.9             
202519004181RCKM4   29 999.9 999.9 360  2.1  2.6 999 9999.9 1015.6 17.1 99.9 99.9             
202519004241RCKM4   29 999.9 999.9 190  1.0  1.5 999 9999.9 1015.5 17.1 99.9 99.9             
202519004301RCKM4   29 999.9 999.9 140  1.5  2.6 999 9999.9 1015.3 17.1 99.9 99.9             
202519004361RCKM4   29 999.9 999.9 350  1.5  2.6 999 9999.9 1015.4 17.1 99.9 99.9             
202519004421RCKM4   29 999.9 999.9 110  1.0  2.1 999 9999.9 1015.2 17.1 99.9 99.9             
202519004481RCKM4   29 999.9 999.9  90  2.1  3.1 999 9999.9 1015.1 17.1 99.9 99.9             
202519004541RCKM4   29 999.9 999.9  50  1.5  3.1 999 9999.9 1015.1 17.1 99.9 99.9             
202519005001RCKM4   29 999.9 999.9 140  1.0  2.1 999 9999.9 1015.1 17.1 99.9 99.9             
202519005061RCKM4   29 999.9 999.9 120  1.0  2.1 999 9999.9 1015.0 17.1 99.9 99.9             
202519005121RCKM4   29 999.9 999.9  50  0.5  1.5 999 9999.9 1015.1 17.1 99.9 99.9             
202519005181RCKM4   29 999.9 999.9  30  1.0  1.5 999 9999.9 1015.2 17.1 99.9 99.9             
202519005241RCKM4   29 999.9 999.9  10  1.5  1.5 999 9999.9 1015.2 17.1 99.9 99.9             
202519005301RCKM4   29 999.9 999.9 330  1.5  1.5 999 9999.9 1015.2 17.1 99.9 99.9             
202519005361RCKM4   29 999.9 999.9 320  2.6  3.1 999 9999.9 1015.3 17.1 99.9 99.9             
202519005421RCKM4   29 999.9 999.9 320  3.1  4.1 999 9999.9 1015.3 17.1 99.9 99.9             
202519005481RCKM4   29 999.9 999.9 310  2.6  3.6 999 9999.9 1015.3 17.1 99.9 99.9             
202519005541RCKM4   29 999.9 999.9 340  1.5  2.6 999 9999.9 1015.2 17.1 99.9 99.9             
202519006001RCKM4   29 999.9 999.9 320  1.0  1.5 999 9999.9 1015.2 17.1 99.9 99.9             
202519006061RCKM4   29 999.9 999.9 310  2.1  2.1 999 9999.9 1015.3 17.1 99.9 99.9             
202519006121RCKM4   29 999.9 999.9 320  2.6  3.1 999 9999.9 1015.2 17.1 99.9 99.9             
202519006181RCKM4   29 999.9 999.9 330  2.1  2.6 999 9999.9 1015.2 17.1 99.9 99.9             
202519006241RCKM4   29 999.9 999.9 310  1.5  2.1 999 9999.9 1015.2 17.1 99.9 99.9             
202519006301RCKM4   29 999.9 999.9 320  2.6  3.1 999 9999.9 1015.2 17.1 99.9 99.9             
202519006361RCKM4   29 999.9 999.9 320  2.1  3.1 999 9999.9 1015.1 17.1 99.9 99.9             
202519006421RCKM4   29 999.9 999.9 350  0.5  2.1 999 9999.9 1015.0 17.1 99.9 99.9             
202519006481RCKM4   29 999.9 999.9   0  0.0  1.0 999 9999.9 1015.0 17.1 99.9 99.9             
202519006541RCKM4   29 999.9 999.9 340  1.0  1.5 999 9999.9 1015.0 17.1 99.9 99.9             
202519007001RCKM4   29 999.9 999.9 330  1.0  1.5 999 9999.9 1015.0 17.1 99.9 99.9             
202519007061RCKM4   29 999.9 999.9  20  2.1  2.1 999 9999.9 1015.0 17.1 99.9 99.9             
202519007121RCKM4   29 999.9 999.9  50  2.1  2.1 999 9999.9 1014.9 17.1 99.9 99.9             
202519007181RCKM4   29 999.9 999.9  50  2.1  3.1 999 9999.9 1014.9 17.1 99.9 99.9             
202519007241RCKM4   29 999.9 999.9  30  1.0  2.6 999 9999.9 1014.9 17.1 99.9 99.9             
202519007301RCKM4   29 999.9 999.9  50  1.0  1.5 999 9999.9 1014.9 17.1 99.9 99.9             
202519007361RCKM4   29 999.9 999.9  30  1.5  2.1 999 9999.9 1014.9 17.1 99.9 99.9             
202519007421RCKM4   29 999.9 999.9  10  1.0  1.5 999 9999.9 1014.8 17.1 99.9 99.9             
202519007481RCKM4   29 999.9 999.9  10  1.5  2.6 999 9999.9 1014.8 17.1 99.9 99.9             
202519007541RCKM4   29 999.9 999.9  10  1.5  2.1 999 9999.9 1014.7 17.1 99.9 99.9             
202519008001RCKM4   29 999.9 999.9 340  1.0  2.1 999 9999.9 1014.8 17.1 99.9 99.9             
202519008061RCKM4   29 999.9 999.9 310  1.0  1.5 999 9999.9 1014.8 17.1 99.9 99.9             
202519008121RCKM4   29 999.9 999.9  10  1.5  1.5 999 9999.9 1014.7 17.1 99.9 99.9             
202519008181RCKM4   29 999.9 999.9  10  1.0  1.5 999 9999.9 1014.7 17.1 99.9 99.9             
202519008241RCKM4   29 999.9 999.9   0  0.0  1.5 999 9999.9 1014.6 17.1 99.9 99.9             
202519008301RCKM4   29 999.9 999.9 350  1.0  1.5 999 9999.9 1014.6 17.1 99.9 99.9             
202519008361RCKM4   29 999.9 999.9 320  1.5  1.5 999 9999.9 1014.6 17.1 99.9 99.9             
202519008421RCKM4   29 999.9 999.9 330  1.0  1.5 999 9999.9 1014.5 17.1 99.9 99.9             
202519008481RCKM4   29 999.9 999.9 330  2.1  2.6 999 9999.9 1014.5 17.1 99.9 99.9             
202519008541RCKM4   29 999.9 999.9 340  2.6  3.1 999 9999.9 1014.5 17.1 99.9 99.9             
202519009001RCKM4   29 999.9 999.9 320  2.1  3.6 999 9999.9 1014.4 17.1 99.9 99.9             
202519009061RCKM4   29 999.9 999.9 330  2.1  2.6 999 9999.9 1014.4 17.1 99.9 99.9             
202519009121RCKM4   29 999.9 999.9 320  2.1  2.6 999 9999.9 1014.4 17.1 99.9 99.9             
202519009241RCKM4   29 999.9 999.9 320  2.1  2.6 999 9999.9 1014.4 17.1 99.9 99.9             
202519009301RCKM4   29 999.9 999.9 320  1.5  2.6 999 9999.9 1014.4 17.1 99.9 99.9             
202519009361RCKM4   29 999.9 999.9 320  1.0  1.5 999 9999.9 1014.5 17.1 99.9 99.9             
202519009421RCKM4   29 999.9 999.9 330  2.1  2.6 999 9999.9 1014.5 17.1 99.9 99.9             
202519009481RCKM4   29 999.9 999.9 310  2.1  2.6 999 9999.9 1014.6 17.1 99.9 99.9             
202519009541RCKM4   29 999.9 999.9 310  1.5  2.1 999 9999.9 1014.6 17.1 99.9 99.9             
202519010001RCKM4   29 999.9 999.9 320  1.0  1.5 999 9999.9 1014.6 17.1 99.9 99.9             
202519010061RCKM4   29 999.9 999.9 340  1.5  2.1 999 9999.9 1014.5 17.1 99.9 99.9             
202519010121RCKM4   29 999.9 999.9 340  1.0  2.1 999 9999.9 1014.6 17.1 99.9 99.9             
202519010181RCKM4   29 999.9 999.9 290  1.0  1.0 999 9999.9 1014.6 17.1 99.9 99.9             
202519010241RCKM4   29 999.9 999.9 300  1.5  2.1 999 9999.9 1014.8 17.1 99.9 99.9             
202519010301RCKM4   29 999.9 999.9 300  1.0  1.5 999 9999.9 1014.8 17.1 99.9 99.9             
202519010361RCKM4   29 999.9 999.9 300  1.0  1.5 999 9999.9 1014.8 17.1 99.9 99.9             
202519010421RCKM4   29 999.9 999.9 300  1.0  1.0 999 9999.9 1014.8 17.1 99.9 99.9             
202519010481RCKM4   29 999.9 999.9 300  2.1  2.6 999 9999.9 1014.8 17.1 99.9 99.9             
202519010541RCKM4   29 999.9 999.9 310  2.1  2.6 999 9999.9 1014.8 17.1 99.9 99.9             
202519011001RCKM4   29 999.9 999.9 310  2.1  2.6 999 9999.9 1014.8 17.1 99.9 99.9             
202519011061RCKM4   29 999.9 999.9 320  2.1  2.6 999 9999.9 1014.7 17.1 99.9 99.9             
202519011121RCKM4   29 999.9 999.9 320  2.6  2.6 999 9999.9 1014.8 17.1 99.9 99.9             
202519011181RCKM4   29 999.9 999.9 330  2.1  2.6 999 9999.9 1014.8 17.1 99.9 99.9             
202519011241RCKM4   29 999.9 999.9 320  2.1  2.6 999 9999.9 1014.9 17.1 99.9 99.9             
202519011301RCKM4   29 999.9 999.9 310  2.6  3.1 999 9999.9 1014.9 17.1 99.9 99.9             
202519011361RCKM4   29 999.9 999.9 310  2.1  3.1 999 9999.9 1014.9 17.1 99.9 99.9             
202519011421RCKM4   29 999.9 999.9 320  2.6  2.6 999 9999.9 1015.0 17.1 99.9 99.9             
202519011481RCKM4   29 999.9 999.9 320  2.1  2.6 999 9999.9 1015.1 17.1 99.9 99.9             
202519011541RCKM4   29 999.9 999.9 310  2.1  3.1 999 9999.9 1015.1 17.1 99.9 99.9             
202519012001RCKM4   29 999.9 999.9 320  2.6  3.1 999 9999.9 1015.2 17.1 99.9 99.9             
202519012061RCKM4   29 999.9 999.9 310  2.1  2.6 999 9999.9 1015.2 17.1 99.9 99.9             
202519012121RCKM4   29 999.9 999.9 310  2.6  3.1 999 9999.9 1015.3 17.1 99.9 99.9             
202519012181RCKM4   29 999.9 999.9 310  3.1  3.6 999 9999.9 1015.4 17.1 99.9 99.9             
202519012241RCKM4   29 999.9 999.9 310  2.6  3.1 999 9999.9 1015.4 17.1 99.9 99.9             
202519012301RCKM4   29 999.9 999.9 310  2.6  3.1 999 9999.9 1015.4 17.1 99.9 99.9             
202519012361RCKM4   29 999.9 999.9 300  2.6  3.1 999 9999.9 1015.4 17.1 99.9 99.9             
202519012421RCKM4   29 999.9 999.9 310  2.6  2.6 999 9999.9 1015.5 17.1 99.9 99.9             
202519012481RCKM4   29 999.9 999.9 310  2.1  2.6 999 9999.9 1015.5 17.1 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
google chart
126 matching elements
0.021 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
[Return to NOAAPORT page]