Skip to main content

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: 0955 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 (169)
 (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 202416900001RCKM4 29 999.9 999.9 130 7.0 8.9 999 9999.9 29.80 57.4 99.9 99.9 202416900061RCKM4 29 999.9 999.9 130 6.0 8.9 999 9999.9 29.80 57.4 99.9 99.9 202416900121RCKM4 29 999.9 999.9 120 7.0 8.0 999 9999.9 29.80 57.4 99.9 99.9 202416900181RCKM4 29 999.9 999.9 120 7.0 8.0 999 9999.9 29.80 57.4 99.9 99.9 202416900241RCKM4 29 999.9 999.9 120 6.0 8.0 999 9999.9 29.79 57.4 99.9 99.9 202416900301RCKM4 29 999.9 999.9 130 5.1 7.0 999 9999.9 29.80 57.4 99.9 99.9 202416900361RCKM4 29 999.9 999.9 130 5.1 7.0 999 9999.9 29.79 57.4 99.9 99.9 202416900421RCKM4 29 999.9 999.9 130 5.1 7.0 999 9999.9 29.79 57.4 99.9 99.9 202416900481RCKM4 29 999.9 999.9 140 5.1 7.0 999 9999.9 29.80 57.4 99.9 99.9 202416900541RCKM4 29 999.9 999.9 120 5.1 7.0 999 9999.9 29.80 57.4 99.9 99.9 202416901001RCKM4 29 999.9 999.9 120 5.1 6.0 999 9999.9 29.80 57.4 99.9 99.9 202416901061RCKM4 29 999.9 999.9 130 4.1 6.0 999 9999.9 9999.9 57.4 99.9 99.9 202416901121RCKM4 29 999.9 999.9 130 5.1 6.0 999 9999.9 9999.9 57.4 99.9 99.9 202416901181RCKM4 29 999.9 999.9 120 6.0 7.0 999 9999.9 9999.9 57.4 99.9 99.9 202416901241RCKM4 29 999.9 999.9 110 6.0 7.0 999 9999.9 9999.9 57.4 99.9 99.9 202416901301RCKM4 29 999.9 999.9 100 5.1 8.0 999 9999.9 9999.9 57.4 99.9 99.9 202416901361RCKM4 29 999.9 999.9 100 4.1 7.0 999 9999.9 29.80 57.4 99.9 99.9 202416901421RCKM4 29 999.9 999.9 110 4.1 5.1 999 9999.9 29.80 57.4 99.9 99.9 202416901481RCKM4 29 999.9 999.9 120 4.1 5.1 999 9999.9 29.80 57.4 99.9 99.9 202416901541RCKM4 29 999.9 999.9 110 4.1 5.1 999 9999.9 29.80 57.6 99.9 99.9 202416902001RCKM4 29 999.9 999.9 100 1.9 4.1 999 9999.9 29.80 57.6 99.9 99.9 202416902061RCKM4 29 999.9 999.9 100 2.9 4.1 999 9999.9 29.80 57.6 99.9 99.9 202416902121RCKM4 29 999.9 999.9 100 2.9 4.1 999 9999.9 29.80 57.6 99.9 99.9 202416902181RCKM4 29 999.9 999.9 120 1.9 2.9 999 9999.9 29.80 57.6 99.9 99.9 202416902241RCKM4 29 999.9 999.9 80 2.9 4.1 999 9999.9 29.80 57.6 99.9 99.9 202416902301RCKM4 29 999.9 999.9 90 2.9 4.1 999 9999.9 29.80 57.6 99.9 99.9 202416902361RCKM4 29 999.9 999.9 120 2.9 4.1 999 9999.9 29.80 57.6 99.9 99.9 202416902421RCKM4 29 999.9 999.9 140 2.9 4.1 999 9999.9 29.80 57.6 99.9 99.9 202416902481RCKM4 29 999.9 999.9 130 2.9 2.9 999 9999.9 29.80 57.6 99.9 99.9 202416902541RCKM4 29 999.9 999.9 120 1.9 2.9 999 9999.9 29.80 57.6 99.9 99.9 202416903001RCKM4 29 999.9 999.9 80 1.9 2.9 999 9999.9 29.80 57.6 99.9 99.9 202416903061RCKM4 29 999.9 999.9 100 2.9 4.1 999 9999.9 29.80 57.6 99.9 99.9 202416903121RCKM4 29 999.9 999.9 90 1.9 2.9 999 9999.9 29.80 57.6 99.9 99.9 202416903181RCKM4 29 999.9 999.9 0 0.0 2.9 999 9999.9 29.80 57.6 99.9 99.9 202416903241RCKM4 29 999.9 999.9 90 1.0 1.9 999 9999.9 29.80 57.6 99.9 99.9 202416903301RCKM4 29 999.9 999.9 80 1.9 2.9 999 9999.9 29.80 57.6 99.9 99.9 202416903361RCKM4 29 999.9 999.9 70 1.9 2.9 999 9999.9 29.80 57.6 99.9 99.9 202416903421RCKM4 29 999.9 999.9 50 2.9 4.1 999 9999.9 29.80 57.6 99.9 99.9 202416903481RCKM4 29 999.9 999.9 70 4.1 5.1 999 9999.9 29.80 57.6 99.9 99.9 202416903541RCKM4 29 999.9 999.9 999 99.9 99.9 999 9999.9 29.80 57.6 99.9 99.9 202416904001RCKM4 29 999.9 999.9 999 99.9 99.9 999 9999.9 29.80 57.6 99.9 99.9 202416904061RCKM4 29 999.9 999.9 80 4.1 6.0 999 9999.9 29.80 57.4 99.9 99.9 202416904121RCKM4 29 999.9 999.9 90 4.1 6.0 999 9999.9 29.80 57.4 99.9 99.9 202416904181RCKM4 29 999.9 999.9 80 4.1 5.1 999 9999.9 29.80 57.4 99.9 99.9 202416904241RCKM4 29 999.9 999.9 80 5.1 6.0 999 9999.9 29.80 57.4 99.9 99.9 202416904301RCKM4 29 999.9 999.9 80 4.1 6.0 999 9999.9 29.80 57.4 99.9 99.9 202416904361RCKM4 29 999.9 999.9 60 1.9 4.1 999 9999.9 29.80 57.4 99.9 99.9 202416904421RCKM4 29 999.9 999.9 80 2.9 4.1 999 9999.9 29.80 57.4 99.9 99.9 202416904481RCKM4 29 999.9 999.9 100 1.9 4.1 999 9999.9 29.80 57.4 99.9 99.9 202416904541RCKM4 29 999.9 999.9 120 4.1 5.1 999 9999.9 29.80 57.4 99.9 99.9 202416905001RCKM4 29 999.9 999.9 100 4.1 5.1 999 9999.9 29.80 57.4 99.9 99.9 202416905061RCKM4 29 999.9 999.9 70 2.9 4.1 999 9999.9 9999.9 57.4 99.9 99.9 202416905121RCKM4 29 999.9 999.9 80 1.0 4.1 999 9999.9 9999.9 57.4 99.9 99.9 202416905181RCKM4 29 999.9 999.9 110 4.1 4.1 999 9999.9 9999.9 57.4 99.9 99.9 202416905241RCKM4 29 999.9 999.9 120 1.9 4.1 999 9999.9 29.79 57.4 99.9 99.9 202416905301RCKM4 29 999.9 999.9 70 1.9 2.9 999 9999.9 29.80 57.4 99.9 99.9 202416905361RCKM4 29 999.9 999.9 20 1.0 2.9 999 9999.9 29.80 57.2 99.9 99.9 202416905421RCKM4 29 999.9 999.9 50 2.9 2.9 999 9999.9 29.80 57.2 99.9 99.9 202416905481RCKM4 29 999.9 999.9 90 2.9 4.1 999 9999.9 29.80 57.2 99.9 99.9 202416905541RCKM4 29 999.9 999.9 0 0.0 2.9 999 9999.9 29.80 57.2 99.9 99.9 202416906001RCKM4 29 999.9 999.9 20 4.1 5.1 999 9999.9 29.80 57.2 99.9 99.9 202416906061RCKM4 29 999.9 999.9 80 1.0 2.9 999 9999.9 29.79 57.2 99.9 99.9 202416906121RCKM4 29 999.9 999.9 60 2.9 4.1 999 9999.9 29.79 57.2 99.9 99.9 202416906181RCKM4 29 999.9 999.9 80 2.9 4.1 999 9999.9 29.79 57.2 99.9 99.9 202416906241RCKM4 29 999.9 999.9 100 2.9 5.1 999 9999.9 29.79 57.2 99.9 99.9 202416906301RCKM4 29 999.9 999.9 90 2.9 4.1 999 9999.9 29.78 57.2 99.9 99.9 202416906361RCKM4 29 999.9 999.9 120 2.9 4.1 999 9999.9 29.78 57.2 99.9 99.9 202416906421RCKM4 29 999.9 999.9 100 1.9 2.9 999 9999.9 29.78 57.2 99.9 99.9 202416906481RCKM4 29 999.9 999.9 100 1.0 2.9 999 9999.9 29.78 57.2 99.9 99.9 202416906541RCKM4 29 999.9 999.9 0 0.0 1.0 999 9999.9 29.78 57.2 99.9 99.9 202416907001RCKM4 29 999.9 999.9 160 1.0 1.9 999 9999.9 29.78 57.2 99.9 99.9 202416907061RCKM4 29 999.9 999.9 150 1.0 1.9 999 9999.9 29.78 57.2 99.9 99.9 202416907121RCKM4 29 999.9 999.9 0 0.0 1.0 999 9999.9 29.78 57.2 99.9 99.9 202416907181RCKM4 29 999.9 999.9 310 1.9 1.9 999 9999.9 29.78 57.2 99.9 99.9 202416907241RCKM4 29 999.9 999.9 320 2.9 2.9 999 9999.9 29.78 57.2 99.9 99.9 202416907301RCKM4 29 999.9 999.9 290 1.9 2.9 999 9999.9 29.78 57.2 99.9 99.9 202416907361RCKM4 29 999.9 999.9 320 1.0 1.9 999 9999.9 29.78 57.2 99.9 99.9 202416907421RCKM4 29 999.9 999.9 340 1.0 1.9 999 9999.9 29.78 57.2 99.9 99.9 202416907481RCKM4 29 999.9 999.9 0 0.0 1.0 999 9999.9 29.78 57.2 99.9 99.9 202416907541RCKM4 29 999.9 999.9 0 0.0 1.0 999 9999.9 29.78 57.2 99.9 99.9 202416908001RCKM4 29 999.9 999.9 0 0.0 1.0 999 9999.9 29.78 57.2 99.9 99.9 202416908061RCKM4 29 999.9 999.9 0 0.0 1.0 999 9999.9 29.78 57.2 99.9 99.9 202416908121RCKM4 29 999.9 999.9 0 0.0 1.0 999 9999.9 29.78 57.2 99.9 99.9 202416908181RCKM4 29 999.9 999.9 0 0.0 1.0 999 9999.9 29.78 57.2 99.9 99.9 202416908241RCKM4 29 999.9 999.9 150 1.9 1.9 999 9999.9 29.78 57.2 99.9 99.9 202416908301RCKM4 29 999.9 999.9 0 0.0 2.9 999 9999.9 29.78 57.2 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
google chart
  [every 2nd value plotted]
86 matching elements
0.017 sec

This Web page created and maintained by Greg Lang, NOAA/GLERL,
[Return to NOAAPORT page]