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Realtime Great Lakes Weather Data and Marine Observations

 CLSM4: NWS St.ClairShoresMI                                  
CMAN Station
Lat: 42.47°, Lon: -82.88°
Elevation: 175 m
Anemometer Height: 10 m
Related Site: NDBC
Station Types
(Click on name to view all stations for that type)
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Red MarkerCMAN & USCG Stations
Yellow MarkerShip Reports
Green MarkerSurface Airways Stations

  Change Units to: English | Metric
 Enter New DOY (001-366):  Or Today (315)
 (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
202525100001CLSM4   39  18.7 999.9 300  2.1  4.1 999 9999.9 1022.4 99.9 99.9 99.9            
202525100101CLSM4   39  18.5 999.9 300  1.5  3.1 999 9999.9 1022.4 99.9 99.9 99.9            
202525100201CLSM4   39  18.3 999.9 300  2.1  3.1 999 9999.9 1022.7 99.9 99.9 99.9            
202525100301CLSM4   39  18.1 999.9 300  1.5  3.6 999 9999.9 1022.7 99.9 99.9 99.9            
202525100401CLSM4   39  17.8 999.9 300  1.5  2.6 999 9999.9 1022.7 99.9 99.9 99.9            
202525100501CLSM4   39  17.6 999.9 300  1.5  2.1 999 9999.9 1023.0 99.9 99.9 99.9            
202525101001CLSM4   39  17.4 999.9 300  2.1  2.6 999 9999.9 1023.0 99.9 99.9 99.9            
202525101101CLSM4   39  17.1 999.9 310  1.5  2.6 999 9999.9 1023.0 99.9 99.9 99.9            
202525101201CLSM4   39  17.0 999.9 300  1.5  3.1 999 9999.9 1023.4 99.9 99.9 99.9            
202525101301CLSM4   39  16.9 999.9 300  2.1  3.6 999 9999.9 1023.4 99.9 99.9 99.9            
202525101401CLSM4   39  16.8 999.9 300  2.1  3.6 999 9999.9 1023.4 99.9 99.9 99.9            
202525101501CLSM4   39  16.7 999.9 310  1.0  3.6 999 9999.9 1023.7 99.9 99.9 99.9            
202525102001CLSM4   39  16.5 999.9 310  1.0  2.6 999 9999.9 1023.7 99.9 99.9 99.9            
202525102101CLSM4   39  16.2 999.9 310  1.5  2.6 999 9999.9 1023.7 99.9 99.9 99.9            
202525102201CLSM4   39  16.1 999.9 300  2.1  3.1 999 9999.9 1023.7 99.9 99.9 99.9            
202525102301CLSM4   39  15.9 999.9 290  2.1  3.1 999 9999.9 1024.0 99.9 99.9 99.9            
202525102401CLSM4   39  15.6 999.9 260  1.5  2.1 999 9999.9 1024.0 99.9 99.9 99.9            
202525102501CLSM4   39  15.5 999.9 270  1.5  1.5 999 9999.9 1024.0 99.9 99.9 99.9            
202525103001CLSM4   39  15.3 999.9 280  1.5  2.1 999 9999.9 1024.0 99.9 99.9 99.9            
202525103101CLSM4   39  15.3 999.9 300  2.1  2.6 999 9999.9 1024.4 99.9 99.9 99.9            
202525103201CLSM4   39  15.3 999.9 320  2.1  3.1 999 9999.9 1024.7 99.9 99.9 99.9            
202525103301CLSM4   39  15.1 999.9 320  1.5  3.1 999 9999.9 1024.7 99.9 99.9 99.9            
202525103401CLSM4   39  14.8 999.9 320  1.5  3.6 999 9999.9 1024.7 99.9 99.9 99.9            
202525103501CLSM4   39  14.8 999.9 310  1.5  3.6 999 9999.9 1024.7 99.9 99.9 99.9            
202525104001CLSM4   39  14.4 999.9 330  2.6  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202525104101CLSM4   39  14.6 999.9 340  2.6  5.1 999 9999.9 1025.1 99.9 99.9 99.9            
202525104201CLSM4   39  14.4 999.9 350  3.1  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202525104301CLSM4   39  14.2 999.9 340  2.6  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202525104401CLSM4   39  14.1 999.9 350  2.6  4.1 999 9999.9 1025.1 99.9 99.9 99.9            
202525104501CLSM4   39  14.1 999.9 350  1.5  3.6 999 9999.9 1025.1 99.9 99.9 99.9            
202525105001CLSM4   39  13.9 999.9 330  0.5  2.1 999 9999.9 1025.4 99.9 99.9 99.9            
202525105101CLSM4   39  13.5 999.9 320  1.0  2.6 999 9999.9 1025.4 99.9 99.9 99.9            
202525105201CLSM4   39  13.2 999.9 340  0.5  2.1 999 9999.9 1025.7 99.9 99.9 99.9            
202525105301CLSM4   39  13.0 999.9 330  1.0  2.1 999 9999.9 1025.7 99.9 99.9 99.9            
202525105401CLSM4   39  12.8 999.9 320  1.0  2.6 999 9999.9 1025.7 99.9 99.9 99.9            
202525105501CLSM4   39  12.7 999.9 330  1.0  3.1 999 9999.9 1025.7 99.9 99.9 99.9            
202525106001CLSM4   39  12.7 999.9 310  1.0  2.1 999 9999.9 1026.1 99.9 99.9 99.9            
202525106101CLSM4   39  12.4 999.9 290  1.0  1.5 999 9999.9 1026.1 99.9 99.9 99.9            
202525106201CLSM4   39  12.2 999.9   0  0.0  1.5 999 9999.9 1026.1 99.9 99.9 99.9            
202525106301CLSM4   39  12.2 999.9 300  0.5  1.0 999 9999.9 1026.1 99.9 99.9 99.9            
202525106401CLSM4   39  12.2 999.9   0  0.0  1.5 999 9999.9 1026.1 99.9 99.9 99.9            
202525106501CLSM4   39  12.1 999.9 300  1.5  1.5 999 9999.9 1026.1 99.9 99.9 99.9            
202525107001CLSM4   39  11.9 999.9 320  1.0  2.6 999 9999.9 1026.1 99.9 99.9 99.9            
202525107101CLSM4   39  11.8 999.9 300  1.0  2.1 999 9999.9 1026.1 99.9 99.9 99.9            
202525107201CLSM4   39  11.6 999.9 310  1.0  2.1 999 9999.9 1026.1 99.9 99.9 99.9            
202525107301CLSM4   39  11.3 999.9 290  1.0  1.5 999 9999.9 1026.1 99.9 99.9 99.9            
202525107401CLSM4   39  11.2 999.9 290  1.0  1.5 999 9999.9 1026.1 99.9 99.9 99.9            
202525107501CLSM4   39  11.1 999.9 300  1.0  2.1 999 9999.9 1026.1 99.9 99.9 99.9            
202525108001CLSM4   39  10.9 999.9   0  0.0  1.5 999 9999.9 1026.1 99.9 99.9 99.9            
202525108101CLSM4   39  11.0 999.9 310  1.0  3.1 999 9999.9 1026.1 99.9 99.9 99.9            
202525108201CLSM4   39  11.2 999.9 330  1.5  3.1 999 9999.9 1026.1 99.9 99.9 99.9            
202525108301CLSM4   39  11.2 999.9 320  1.5  2.6 999 9999.9 1026.1 99.9 99.9 99.9            
202525108401CLSM4   39  11.2 999.9 330  1.0  2.6 999 9999.9 1026.4 99.9 99.9 99.9            
202525108501CLSM4   39  11.0 999.9 330  1.5  2.6 999 9999.9 1026.4 99.9 99.9 99.9            
202525109001CLSM4   39  10.9 999.9 330  1.0  2.6 999 9999.9 1026.4 99.9 99.9 99.9            
202525109101CLSM4   39  10.7 999.9 330  0.5  2.6 999 9999.9 1026.4 99.9 99.9 99.9            
202525109201CLSM4   39  10.6 999.9 320  1.0  2.6 999 9999.9 1026.4 99.9 99.9 99.9            
202525109301CLSM4   39  10.6 999.9 320  1.0  2.6 999 9999.9 1026.8 99.9 99.9 99.9            
202525109401CLSM4   39  10.6 999.9 320  1.5  2.1 999 9999.9 1027.1 99.9 99.9 99.9            
202525109501CLSM4   39  10.6 999.9 330  1.0  3.1 999 9999.9 1027.1 99.9 99.9 99.9            
202525110001CLSM4   39  10.7 999.9 330  1.5  2.6 999 9999.9 1027.1 99.9 99.9 99.9            
202525110101CLSM4   39  10.9 999.9 330  2.1  3.6 999 9999.9 1027.1 99.9 99.9 99.9            
202525110201CLSM4   39  10.9 999.9 340  2.1  3.6 999 9999.9 1027.1 99.9 99.9 99.9            
202525110301CLSM4   39  10.9 999.9 330  1.5  3.1 999 9999.9 1027.1 99.9 99.9 99.9            
202525110401CLSM4   39  10.7 999.9 330  1.0  2.1 999 9999.9 1027.4 99.9 99.9 99.9            
202525110501CLSM4   39  10.7 999.9 330  1.0  2.6 999 9999.9 1027.4 99.9 99.9 99.9            
202525111001CLSM4   39  10.5 999.9 340  1.5  3.1 999 9999.9 1027.8 99.9 99.9 99.9            
202525111101CLSM4   39  10.4 999.9 340  1.0  3.1 999 9999.9 1027.8 99.9 99.9 99.9            
202525111201CLSM4   39  10.6 999.9 330  1.0  2.6 999 9999.9 1027.8 99.9 99.9 99.9            
202525111301CLSM4   39  10.5 999.9 330  1.0  2.6 999 9999.9 1027.8 99.9 99.9 99.9            
202525111401CLSM4   39  10.9 999.9 330  0.5  2.6 999 9999.9 1027.8 99.9 99.9 99.9            
202525111501CLSM4   39  11.4 999.9 330  1.0  2.6 999 9999.9 1027.8 99.9 99.9 99.9            
202525112001CLSM4   39  11.6 999.9 330  1.0  2.6 999 9999.9 1027.8 99.9 99.9 99.9            
202525112101CLSM4   39  12.0 999.9 340  2.1  2.6 999 9999.9 1027.8 99.9 99.9 99.9            
202525112201CLSM4   39  12.1 999.9 350  2.6  3.6 999 9999.9 1027.8 99.9 99.9 99.9            
202525112301CLSM4   39  12.3 999.9 350  2.6  4.1 999 9999.9 1027.8 99.9 99.9 99.9            
202525112401CLSM4   39  12.6 999.9 360  3.1  4.1 999 9999.9 1027.8 99.9 99.9 99.9            
202525112501CLSM4   39  12.7 999.9 360  3.1  3.6 999 9999.9 1028.1 99.9 99.9 99.9            
202525113001CLSM4   39  13.0 999.9 360  3.1  4.1 999 9999.9 1027.8 99.9 99.9 99.9            
202525113101CLSM4   39  13.2 999.9 350  2.1  4.1 999 9999.9 1028.1 99.9 99.9 99.9            
202525113201CLSM4   39  13.7 999.9 360  2.1  3.1 999 9999.9 1028.1 99.9 99.9 99.9            
202525113301CLSM4   39  14.0 999.9 360  1.5  3.1 999 9999.9 1028.1 99.9 99.9 99.9            
202525113401CLSM4   39  14.3 999.9  10  2.1  2.6 999 9999.9 1028.1 99.9 99.9 99.9            
202525113501CLSM4   39  14.2 999.9  30  2.6  3.6 999 9999.9 1028.4 99.9 99.9 99.9            
202525114001CLSM4   39  14.3 999.9  20  3.1  3.6 999 9999.9 1028.4 99.9 99.9 99.9            
202525114101CLSM4   39  14.3 999.9  10  3.1  4.1 999 9999.9 1028.4 99.9 99.9 99.9            
202525114201CLSM4   39  14.4 999.9 360  3.1  3.6 999 9999.9 1028.4 99.9 99.9 99.9            
202525114301CLSM4   39  14.6 999.9  20  2.6  3.1 999 9999.9 1028.4 99.9 99.9 99.9            
202525114401CLSM4   39  14.6 999.9  20  3.1  3.6 999 9999.9 1028.1 99.9 99.9 99.9            
202525114501CLSM4   39  14.8 999.9  20  2.6  3.1 999 9999.9 1028.1 99.9 99.9 99.9            
202525115001CLSM4   39  14.8 999.9  30  2.6  3.6 999 9999.9 1028.1 99.9 99.9 99.9            
202525115101CLSM4   39  14.9 999.9  40  3.1  4.1 999 9999.9 1028.4 99.9 99.9 99.9            
202525115201CLSM4   39  15.0 999.9  50  2.6  3.6 999 9999.9 1028.4 99.9 99.9 99.9            
202525115301CLSM4   39  15.1 999.9  60  2.6  4.1 999 9999.9 1028.4 99.9 99.9 99.9            
202525115401CLSM4   39  15.0 999.9  50  2.6  3.6 999 9999.9 1028.4 99.9 99.9 99.9            
202525115501CLSM4   39  15.1 999.9  60  2.6  3.6 999 9999.9 1028.4 99.9 99.9 99.9            
202525116001CLSM4   39  15.2 999.9  70  2.1  3.6 999 9999.9 1028.4 99.9 99.9 99.9            
202525116101CLSM4   39  15.2 999.9  90  2.1  3.1 999 9999.9 1028.4 99.9 99.9 99.9            
202525116201CLSM4   39  15.3 999.9  90  2.6  3.6 999 9999.9 1028.1 99.9 99.9 99.9            
202525116301CLSM4   39  15.4 999.9  80  2.6  3.1 999 9999.9 1028.1 99.9 99.9 99.9            
202525116401CLSM4   39  15.3 999.9 100  2.6  3.6 999 9999.9 1028.1 99.9 99.9 99.9            
202525116501CLSM4   39  15.4 999.9  90  2.6  3.6 999 9999.9 1027.8 99.9 99.9 99.9            
202525117001CLSM4   39  15.4 999.9 110  2.6  3.6 999 9999.9 1027.8 99.9 99.9 99.9            
202525117101CLSM4   39  15.6 999.9 100  2.6  3.1 999 9999.9 1028.1 99.9 99.9 99.9            
202525117201CLSM4   39  15.7 999.9 100  3.1  3.6 999 9999.9 1027.8 99.9 99.9 99.9            
202525117301CLSM4   39  15.7 999.9 100  3.6  4.1 999 9999.9 1027.8 99.9 99.9 99.9            
202525117401CLSM4   39  15.8 999.9 100  3.1  4.1 999 9999.9 1027.8 99.9 99.9 99.9            
202525117501CLSM4   39  15.9 999.9  90  3.1  3.6 999 9999.9 1027.8 99.9 99.9 99.9            
202525118001CLSM4   39  16.0 999.9  80  3.1  3.6 999 9999.9 1027.4 99.9 99.9 99.9            
202525118101CLSM4   39  16.0 999.9  80  3.1  3.6 999 9999.9 1027.4 99.9 99.9 99.9            
202525118201CLSM4   39  16.1 999.9  90  3.6  4.1 999 9999.9 1027.1 99.9 99.9 99.9            
202525118301CLSM4   39  16.3 999.9  80  2.6  3.6 999 9999.9 1027.1 99.9 99.9 99.9            
202525118401CLSM4   39  16.5 999.9  80  3.1  3.6 999 9999.9 1027.1 99.9 99.9 99.9            
202525118501CLSM4   39  16.5 999.9  80  3.1  3.6 999 9999.9 1027.1 99.9 99.9 99.9            
202525119001CLSM4   39  16.7 999.9  70  3.1  3.6 999 9999.9 1026.8 99.9 99.9 99.9            
202525119101CLSM4   39  16.8 999.9  80  3.1  3.6 999 9999.9 1026.8 99.9 99.9 99.9            
202525119201CLSM4   39  16.9 999.9  60  3.1  3.6 999 9999.9 1026.8 99.9 99.9 99.9            
202525119301CLSM4   39  17.0 999.9  60  3.1  3.6 999 9999.9 1026.4 99.9 99.9 99.9            
202525119401CLSM4   39  17.1 999.9  60  3.1  3.6 999 9999.9 1026.4 99.9 99.9 99.9            
202525119501CLSM4   39  17.2 999.9  70  3.1  3.6 999 9999.9 1026.4 99.9 99.9 99.9            
202525120001CLSM4   39  17.3 999.9  70  3.1  4.1 999 9999.9 1026.1 99.9 99.9 99.9            
202525120101CLSM4   39  17.4 999.9  60  3.1  4.1 999 9999.9 1026.1 99.9 99.9 99.9            
202525120201CLSM4   39  17.5 999.9  70  3.1  3.6 999 9999.9 1026.1 99.9 99.9 99.9            
202525120301CLSM4   39  17.5 999.9  80  3.1  3.6 999 9999.9 1025.7 99.9 99.9 99.9            
202525120401CLSM4   39  17.6 999.9  80  3.6  4.1 999 9999.9 1025.7 99.9 99.9 99.9            
202525120501CLSM4   39  17.6 999.9  90  3.6  4.1 999 9999.9 1025.7 99.9 99.9 99.9            
202525121001CLSM4   39  17.7 999.9 100  3.1  3.6 999 9999.9 1025.4 99.9 99.9 99.9            
202525121101CLSM4   39  17.8 999.9  90  3.6  4.1 999 9999.9 1025.4 99.9 99.9 99.9            
202525121201CLSM4   39  17.8 999.9 100  3.6  4.1 999 9999.9 1025.4 99.9 99.9 99.9            
202525121301CLSM4   39  17.8 999.9 100  3.6  4.1 999 9999.9 1025.4 99.9 99.9 99.9            
202525121401CLSM4   39  17.9 999.9 100  3.6  4.1 999 9999.9 1025.4 99.9 99.9 99.9            
202525121501CLSM4   39  17.9 999.9 100  3.6  4.1 999 9999.9 1025.4 99.9 99.9 99.9            
202525122001CLSM4   39  18.0 999.9 110  3.6  4.1 999 9999.9 1025.4 99.9 99.9 99.9            
202525122101CLSM4   39  18.0 999.9 100  3.6  4.1 999 9999.9 1025.4 99.9 99.9 99.9            
202525122201CLSM4   39  18.0 999.9 100  3.6  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202525122301CLSM4   39  18.1 999.9 110  3.6  4.1 999 9999.9 1025.1 99.9 99.9 99.9            
202525122401CLSM4   39  18.2 999.9 110  3.6  4.1 999 9999.9 1025.1 99.9 99.9 99.9            
202525122501CLSM4   39  18.2 999.9 100  4.1  4.1 999 9999.9 1025.1 99.9 99.9 99.9            
202525123001CLSM4   39  18.3 999.9 110  3.6  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202525123101CLSM4   39  18.3 999.9 110  4.6  5.1 999 9999.9 1025.1 99.9 99.9 99.9            
202525123201CLSM4   39  18.3 999.9 100  4.1  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202525123301CLSM4   39  18.2 999.9 110  4.1  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202525123401CLSM4   39  18.2 999.9 110  3.6  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202525123501CLSM4   39  18.2 999.9 110  4.1  4.6 999 9999.9 1025.1 99.9 99.9 99.9
  New Graph (click on parameter):                                      
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