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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: 1714 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 (184)
 (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
202518400061RCKM4   29 999.9 999.9 310  7.0  8.9 999 9999.9  29.82 59.2 99.9 99.9
202518400121RCKM4   29 999.9 999.9 340  7.0  8.9 999 9999.9  29.82 59.2 99.9 99.9
202518400181RCKM4   29 999.9 999.9 330  8.0  8.9 999 9999.9  29.82 59.2 99.9 99.9
202518400241RCKM4   29 999.9 999.9 320  8.0  9.9 999 9999.9  29.82 59.2 99.9 99.9
202518400301RCKM4   29 999.9 999.9 310  7.0  8.9 999 9999.9  29.82 59.2 99.9 99.9
202518400361RCKM4   29 999.9 999.9 300  4.1  8.0 999 9999.9  29.82 59.2 99.9 99.9
202518400421RCKM4   29 999.9 999.9 290  4.1  6.0 999 9999.9  29.82 59.2 99.9 99.9
202518400481RCKM4   29 999.9 999.9 280  4.1  5.1 999 9999.9  29.82 59.2 99.9 99.9
202518400541RCKM4   29 999.9 999.9 290  5.1  6.0 999 9999.9  29.83 59.2 99.9 99.9
202518401001RCKM4   29 999.9 999.9 290  5.1  7.0 999 9999.9  29.83 59.2 99.9 99.9
202518401061RCKM4   29 999.9 999.9 260  4.1  6.0 999 9999.9  29.83 59.4 99.9 99.9
202518401121RCKM4   29 999.9 999.9 270  4.1  5.1 999 9999.9  29.83 59.4 99.9 99.9
202518401181RCKM4   29 999.9 999.9 270  2.9  5.1 999 9999.9  29.83 59.4 99.9 99.9
202518401241RCKM4   29 999.9 999.9 280  4.1  5.1 999 9999.9  29.83 59.4 99.9 99.9
202518401301RCKM4   29 999.9 999.9 290  5.1  7.0 999 9999.9  29.83 59.4 99.9 99.9
202518401361RCKM4   29 999.9 999.9 310  4.1  6.0 999 9999.9  29.83 59.4 99.9 99.9
202518401421RCKM4   29 999.9 999.9 300  5.1  6.0 999 9999.9  29.83 59.4 99.9 99.9
202518401481RCKM4   29 999.9 999.9 320  4.1  5.1 999 9999.9  29.84 59.4 99.9 99.9
202518401541RCKM4   29 999.9 999.9 300  4.1  6.0 999 9999.9  29.84 59.4 99.9 99.9
202518402001RCKM4   29 999.9 999.9 300  4.1  5.1 999 9999.9  29.84 59.4 99.9 99.9
202518402061RCKM4   29 999.9 999.9 300  4.1  5.1 999 9999.9  29.84 59.4 99.9 99.9
202518402121RCKM4   29 999.9 999.9 310  2.9  4.1 999 9999.9  29.84 59.4 99.9 99.9
202518402181RCKM4   29 999.9 999.9 320  5.1  6.0 999 9999.9  29.85 59.4 99.9 99.9
202518402241RCKM4   29 999.9 999.9 330  6.0  8.0 999 9999.9  29.85 59.4 99.9 99.9
202518402301RCKM4   29 999.9 999.9 320  7.0  8.0 999 9999.9  29.85 59.4 99.9 99.9
202518402361RCKM4   29 999.9 999.9 300  5.1  8.0 999 9999.9  29.85 59.4 99.9 99.9
202518402421RCKM4   29 999.9 999.9 310  5.1  7.0 999 9999.9  29.85 59.4 99.9 99.9
202518402481RCKM4   29 999.9 999.9 290  8.9 11.1 999 9999.9  29.87 59.4 99.9 99.9
202518402541RCKM4   29 999.9 999.9 300 11.1 15.0 999 9999.9  29.86 59.4 99.9 99.9
202518403001RCKM4   29 999.9 999.9 340  8.0 13.0 999 9999.9  29.85 59.4 99.9 99.9
202518403061RCKM4   29 999.9 999.9 310  4.1  7.0 999 9999.9  29.85 59.4 99.9 99.9
202518403121RCKM4   29 999.9 999.9 290  5.1  7.0 999 9999.9  29.85 59.4 99.9 99.9
202518403181RCKM4   29 999.9 999.9 310  6.0  7.0 999 9999.9  29.85 59.4 99.9 99.9
202518403241RCKM4   29 999.9 999.9 300  8.0  9.9 999 9999.9  29.85 59.4 99.9 99.9
202518403301RCKM4   29 999.9 999.9 300  7.0  9.9 999 9999.9  29.85 59.4 99.9 99.9
202518403361RCKM4   29 999.9 999.9 300  7.0  8.9 999 9999.9  29.85 59.4 99.9 99.9
202518403421RCKM4   29 999.9 999.9 310  7.0  8.9 999 9999.9  29.85 59.4 99.9 99.9
202518403481RCKM4   29 999.9 999.9 300  6.0  8.9 999 9999.9  29.85 59.4 99.9 99.9
202518403541RCKM4   29 999.9 999.9 310  6.0  8.0 999 9999.9  29.86 59.4 99.9 99.9
202518404001RCKM4   29 999.9 999.9 310  5.1  8.0 999 9999.9  29.86 59.4 99.9 99.9
202518404061RCKM4   29 999.9 999.9 290  5.1  7.0 999 9999.9  29.86 59.2 99.9 99.9
202518404121RCKM4   29 999.9 999.9 300  4.1  5.1 999 9999.9  29.87 59.2 99.9 99.9
202518404181RCKM4   29 999.9 999.9 310  2.9  5.1 999 9999.9  29.87 59.2 99.9 99.9
202518404241RCKM4   29 999.9 999.9 310  4.1  7.0 999 9999.9  29.86 59.2 99.9 99.9
202518404301RCKM4   29 999.9 999.9 320  5.1  5.1 999 9999.9  29.87 59.0 99.9 99.9
202518404361RCKM4   29 999.9 999.9 330  5.1  7.0 999 9999.9  29.87 59.0 99.9 99.9
202518404421RCKM4   29 999.9 999.9 330  6.0  7.0 999 9999.9  29.87 59.0 99.9 99.9
202518404481RCKM4   29 999.9 999.9 320  6.0  7.0 999 9999.9  29.87 59.0 99.9 99.9
202518404541RCKM4   29 999.9 999.9 320  6.0  7.0 999 9999.9  29.86 59.0 99.9 99.9
202518405001RCKM4   29 999.9 999.9 300  5.1  8.0 999 9999.9  29.86 59.0 99.9 99.9
202518405061RCKM4   29 999.9 999.9 300  5.1  8.0 999 9999.9  29.86 59.0 99.9 99.9
202518405121RCKM4   29 999.9 999.9 290  6.0  7.0 999 9999.9  29.86 59.0 99.9 99.9
202518405181RCKM4   29 999.9 999.9 300  5.1  7.0 999 9999.9  29.87 59.0 99.9 99.9
202518405241RCKM4   29 999.9 999.9 290  6.0  8.0 999 9999.9  29.86 59.0 99.9 99.9
202518405301RCKM4   29 999.9 999.9 290  5.1  7.0 999 9999.9  29.86 59.0 99.9 99.9
202518405361RCKM4   29 999.9 999.9 300  5.1  6.0 999 9999.9  29.87 59.2 99.9 99.9
202518405421RCKM4   29 999.9 999.9 300  7.0  8.0 999 9999.9  29.87 59.2 99.9 99.9
202518405481RCKM4   29 999.9 999.9 310  7.0  9.9 999 9999.9  29.87 59.2 99.9 99.9
202518405541RCKM4   29 999.9 999.9 290  8.0  9.9 999 9999.9  29.87 59.2 99.9 99.9
202518406001RCKM4   29 999.9 999.9 300  8.0  9.9 999 9999.9  29.87 59.2 99.9 99.9
202518406061RCKM4   29 999.9 999.9 310  8.0  9.9 999 9999.9  29.87 59.2 99.9 99.9
202518406121RCKM4   29 999.9 999.9 310  7.0  8.0 999 9999.9  29.87 59.2 99.9 99.9
202518406181RCKM4   29 999.9 999.9 300  7.0  8.0 999 9999.9  29.87 59.2 99.9 99.9
202518406241RCKM4   29 999.9 999.9 300  6.0  8.0 999 9999.9  29.87 59.2 99.9 99.9
202518406301RCKM4   29 999.9 999.9 310  6.0  8.0 999 9999.9  29.87 59.2 99.9 99.9
202518406361RCKM4   29 999.9 999.9 310  5.1  7.0 999 9999.9  29.87 59.2 99.9 99.9
202518406421RCKM4   29 999.9 999.9 300  6.0  7.0 999 9999.9  29.87 59.2 99.9 99.9
202518406481RCKM4   29 999.9 999.9 310  7.0  8.0 999 9999.9  29.87 59.2 99.9 99.9
202518406541RCKM4   29 999.9 999.9 310  6.0  8.0 999 9999.9  29.87 59.2 99.9 99.9
202518407001RCKM4   29 999.9 999.9 320  7.0  8.0 999 9999.9  29.87 59.2 99.9 99.9
202518407061RCKM4   29 999.9 999.9 320  6.0  8.0 999 9999.9  29.87 59.2 99.9 99.9
202518407121RCKM4   29 999.9 999.9 310  5.1  7.0 999 9999.9  29.87 59.2 99.9 99.9
202518407181RCKM4   29 999.9 999.9 330  5.1  6.0 999 9999.9  29.88 59.2 99.9 99.9
202518407241RCKM4   29 999.9 999.9 320  5.1  6.0 999 9999.9  29.88 59.2 99.9 99.9
202518407301RCKM4   29 999.9 999.9 320  4.1  5.1 999 9999.9  29.88 59.0 99.9 99.9
202518407361RCKM4   29 999.9 999.9 330  6.0  6.0 999 9999.9  29.88 59.0 99.9 99.9
202518407421RCKM4   29 999.9 999.9 320  5.1  6.0 999 9999.9  29.88 59.0 99.9 99.9
202518407481RCKM4   29 999.9 999.9 320  4.1  6.0 999 9999.9  29.88 59.0 99.9 99.9
202518407541RCKM4   29 999.9 999.9 300  2.9  5.1 999 9999.9  29.88 59.0 99.9 99.9
202518408001RCKM4   29 999.9 999.9 290  1.9  4.1 999 9999.9  29.88 59.0 99.9 99.9
202518408061RCKM4   29 999.9 999.9 290  1.9  2.9 999 9999.9  29.88 59.0 99.9 99.9
202518408121RCKM4   29 999.9 999.9 310  1.9  4.1 999 9999.9  29.88 59.0 99.9 99.9
202518408181RCKM4   29 999.9 999.9 310  2.9  4.1 999 9999.9  29.88 59.0 99.9 99.9
202518408241RCKM4   29 999.9 999.9 310  1.9  4.1 999 9999.9  29.88 59.0 99.9 99.9
202518408301RCKM4   29 999.9 999.9 300  1.9  2.9 999 9999.9  29.88 59.0 99.9 99.9
202518408361RCKM4   29 999.9 999.9 300  1.0  2.9 999 9999.9  29.89 59.0 99.9 99.9
202518408421RCKM4   29 999.9 999.9 220  1.9  1.9 999 9999.9  29.89 59.0 99.9 99.9
202518408481RCKM4   29 999.9 999.9 220  4.1  5.1 999 9999.9  29.89 59.0 99.9 99.9
202518408541RCKM4   29 999.9 999.9 270  2.9  5.1 999 9999.9  29.89 59.0 99.9 99.9
202518409001RCKM4   29 999.9 999.9 270  1.9  2.9 999 9999.9  29.90 59.0 99.9 99.9
202518409061RCKM4   29 999.9 999.9 220  2.9  2.9 999 9999.9  29.90 59.0 99.9 99.9
202518409121RCKM4   29 999.9 999.9 230  4.1  5.1 999 9999.9  29.90 59.0 99.9 99.9
202518409181RCKM4   29 999.9 999.9 240  1.9  4.1 999 9999.9  29.90 59.0 99.9 99.9
202518409241RCKM4   29 999.9 999.9   0  0.0  1.9 999 9999.9  29.90 59.0 99.9 99.9
202518409301RCKM4   29 999.9 999.9 290  1.0  1.9 999 9999.9  29.90 59.0 99.9 99.9
202518409361RCKM4   29 999.9 999.9 290  1.9  2.9 999 9999.9  29.90 59.0 99.9 99.9
202518409421RCKM4   29 999.9 999.9 260  1.9  1.9 999 9999.9  29.91 59.0 99.9 99.9
202518409481RCKM4   29 999.9 999.9 280  1.9  1.9 999 9999.9  29.91 59.0 99.9 99.9
202518409541RCKM4   29 999.9 999.9 300  1.9  2.9 999 9999.9  29.91 59.0 99.9 99.9
202518410001RCKM4   29 999.9 999.9 300  2.9  4.1 999 9999.9  29.92 58.8 99.9 99.9
202518410061RCKM4   29 999.9 999.9 300  2.9  4.1 999 9999.9  29.92 58.8 99.9 99.9
202518410121RCKM4   29 999.9 999.9 300  4.1  4.1 999 9999.9  29.92 58.8 99.9 99.9
202518410181RCKM4   29 999.9 999.9 300  2.9  4.1 999 9999.9  29.93 58.8 99.9 99.9
202518410241RCKM4   29 999.9 999.9 300  2.9  4.1 999 9999.9  29.93 58.8 99.9 99.9
202518410301RCKM4   29 999.9 999.9   0  0.0  2.9 999 9999.9  29.93 58.8 99.9 99.9
202518410361RCKM4   29 999.9 999.9 300  1.9  1.9 999 9999.9  29.93 58.8 99.9 99.9
202518410421RCKM4   29 999.9 999.9 290  1.9  2.9 999 9999.9  29.93 58.8 99.9 99.9
202518410481RCKM4   29 999.9 999.9 290  2.9  4.1 999 9999.9  29.93 58.6 99.9 99.9
202518410541RCKM4   29 999.9 999.9 300  2.9  5.1 999 9999.9  29.94 58.6 99.9 99.9
202518411001RCKM4   29 999.9 999.9 310  4.1  5.1 999 9999.9  29.94 58.6 99.9 99.9
202518411061RCKM4   29 999.9 999.9 300  4.1  5.1 999 9999.9  29.94 58.6 99.9 99.9
202518411121RCKM4   29 999.9 999.9 300  4.1  5.1 999 9999.9  29.94 58.6 99.9 99.9
202518411181RCKM4   29 999.9 999.9 300  2.9  5.1 999 9999.9  29.94 58.6 99.9 99.9
202518411241RCKM4   29 999.9 999.9 310  2.9  5.1 999 9999.9  29.95 58.6 99.9 99.9
202518411301RCKM4   29 999.9 999.9 300  2.9  4.1 999 9999.9  29.95 58.6 99.9 99.9
202518411361RCKM4   29 999.9 999.9 310  4.1  5.1 999 9999.9  29.95 58.6 99.9 99.9
202518411421RCKM4   29 999.9 999.9 310  4.1  5.1 999 9999.9  29.95 58.6 99.9 99.9
202518411481RCKM4   29 999.9 999.9 310  2.9  5.1 999 9999.9  29.95 58.6 99.9 99.9
202518411541RCKM4   29 999.9 999.9 300  2.9  4.1 999 9999.9  29.95 58.6 99.9 99.9
202518412001RCKM4   29 999.9 999.9 310  1.9  4.1 999 9999.9  29.96 58.6 99.9 99.9
202518412061RCKM4   29 999.9 999.9 320  5.1  6.0 999 9999.9  29.96 58.6 99.9 99.9
202518412121RCKM4   29 999.9 999.9 320  6.0  6.0 999 9999.9  29.96 58.6 99.9 99.9
202518412181RCKM4   29 999.9 999.9 320  5.1  7.0 999 9999.9  29.96 58.6 99.9 99.9
202518412241RCKM4   29 999.9 999.9 330  6.0  7.0 999 9999.9  29.96 58.6 99.9 99.9
202518412301RCKM4   29 999.9 999.9 320  6.0  7.0 999 9999.9  29.96 58.6 99.9 99.9
202518412361RCKM4   29 999.9 999.9 320  6.0  7.0 999 9999.9  29.96 58.6 99.9 99.9
202518412421RCKM4   29 999.9 999.9 330  6.0  7.0 999 9999.9  29.97 58.6 99.9 99.9
202518412481RCKM4   29 999.9 999.9 320  6.0  7.0 999 9999.9  29.97 58.6 99.9 99.9
202518412541RCKM4   29 999.9 999.9 320  6.0  7.0 999 9999.9  29.97 58.6 99.9 99.9
202518413001RCKM4   29 999.9 999.9 320  6.0  6.0 999 9999.9  29.97 58.6 99.9 99.9
202518413061RCKM4   29 999.9 999.9 320  6.0  6.0 999 9999.9  29.97 58.6 99.9 99.9
202518413121RCKM4   29 999.9 999.9 330  5.1  7.0 999 9999.9  29.97 58.6 99.9 99.9
202518413181RCKM4   29 999.9 999.9 330  5.1  6.0 999 9999.9  29.97 58.6 99.9 99.9
202518413241RCKM4   29 999.9 999.9 320  4.1  5.1 999 9999.9  29.97 58.6 99.9 99.9
202518413301RCKM4   29 999.9 999.9 330  4.1  5.1 999 9999.9  29.97 58.6 99.9 99.9
202518413361RCKM4   29 999.9 999.9 330  4.1  5.1 999 9999.9  29.97 58.6 99.9 99.9
202518413421RCKM4   29 999.9 999.9 330  2.9  5.1 999 9999.9  29.97 58.6 99.9 99.9
202518413481RCKM4   29 999.9 999.9 320  4.1  5.1 999 9999.9  29.97 58.6 99.9 99.9
202518413541RCKM4   29 999.9 999.9 320  4.1  5.1 999 9999.9  29.97 58.6 99.9 99.9
202518414001RCKM4   29 999.9 999.9 320  2.9  5.1 999 9999.9  29.97 58.6 99.9 99.9
202518414061RCKM4   29 999.9 999.9 330  5.1  6.0 999 9999.9  29.98 58.6 99.9 99.9
202518414121RCKM4   29 999.9 999.9 320  5.1  6.0 999 9999.9  29.98 58.6 99.9 99.9
202518414181RCKM4   29 999.9 999.9 330  5.1  6.0 999 9999.9  29.98 58.5 99.9 99.9
202518414241RCKM4   29 999.9 999.9 310  5.1  6.0 999 9999.9  29.98 58.5 99.9 99.9
202518414301RCKM4   29 999.9 999.9 330  4.1  5.1 999 9999.9  29.98 58.3 99.9 99.9
202518414361RCKM4   29 999.9 999.9 330  2.9  5.1 999 9999.9  29.98 58.3 99.9 99.9
202518414421RCKM4   29 999.9 999.9 310  5.1  7.0 999 9999.9  29.98 58.3 99.9 99.9
202518414481RCKM4   29 999.9 999.9 320  6.0  6.0 999 9999.9  29.98 58.3 99.9 99.9
202518414541RCKM4   29 999.9 999.9 320  5.1  7.0 999 9999.9  29.98 58.3 99.9 99.9
202518415001RCKM4   29 999.9 999.9 330  6.0  7.0 999 9999.9  29.98 58.3 99.9 99.9
202518415061RCKM4   29 999.9 999.9 330  5.1  6.0 999 9999.9  29.98 58.3 99.9 99.9
202518415121RCKM4   29 999.9 999.9 320  6.0  7.0 999 9999.9  29.98 58.3 99.9 99.9
202518415181RCKM4   29 999.9 999.9 340  5.1  8.0 999 9999.9  29.98 58.3 99.9 99.9
202518415241RCKM4   29 999.9 999.9 320  5.1  9.9 999 9999.9  29.98 58.3 99.9 99.9
202518415301RCKM4   29 999.9 999.9 330  8.0 11.1 999 9999.9  29.98 58.3 99.9 99.9
202518415361RCKM4   29 999.9 999.9 310  7.0 11.1 999 9999.9  29.98 58.3 99.9 99.9
202518415421RCKM4   29 999.9 999.9 320  6.0  8.0 999 9999.9  29.98 58.3 99.9 99.9
202518415481RCKM4   29 999.9 999.9 310  6.0  8.0 999 9999.9  29.98 58.3 99.9 99.9
  New Graph (click on parameter):                                      
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This Web page created and maintained by Greg Lang, NOAA/GLERL,
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