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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 (287)
 (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
202417300001CLSM4   39  23.6 999.9  60  5.1  5.7 999 9999.9 1023.7 99.9 99.9 99.9            
202417300101CLSM4   39  23.6 999.9  40  4.1  5.7 999 9999.9 1024.0 99.9 99.9 99.9            
202417300201CLSM4   39  23.7 999.9  40  4.1  5.1 999 9999.9 1024.0 99.9 99.9 99.9            
202417300301CLSM4   39  23.6 999.9  40  4.1  5.1 999 9999.9 1024.0 99.9 99.9 99.9            
202417300401CLSM4   39  23.4 999.9  50  4.1  5.1 999 9999.9 1024.4 99.9 99.9 99.9            
202417300501CLSM4   39  23.4 999.9  50  4.6  5.1 999 9999.9 1024.4 99.9 99.9 99.9            
202417301001CLSM4   39  23.4 999.9  50  4.6  5.1 999 9999.9 1024.4 99.9 99.9 99.9            
202417301101CLSM4   39  23.2 999.9  50  5.1  6.2 999 9999.9 1024.4 99.9 99.9 99.9            
202417301201CLSM4   39  23.0 999.9  40  6.7  7.7 999 9999.9 1024.4 99.9 99.9 99.9            
202417301301CLSM4   39  22.7 999.9  50  6.7  7.2 999 9999.9 1024.7 99.9 99.9 99.9            
202417301401CLSM4   39  22.6 999.9  50  6.7  7.7 999 9999.9 1025.1 99.9 99.9 99.9            
202417301501CLSM4   39  22.4 999.9  40  6.2  7.2 999 9999.9 1025.1 99.9 99.9 99.9            
202417302001CLSM4   39  22.2 999.9  40  5.7  7.2 999 9999.9 1025.4 99.9 99.9 99.9            
202417302101CLSM4   39  22.2 999.9  40  5.1  6.2 999 9999.9 1025.4 99.9 99.9 99.9            
202417302201CLSM4   39  22.1 999.9  30  5.1  6.2 999 9999.9 1025.4 99.9 99.9 99.9            
202417302301CLSM4   39  22.3 999.9  20  6.2  7.2 999 9999.9 1025.4 99.9 99.9 99.9            
202417302401CLSM4   39  22.1 999.9  30  5.7  7.7 999 9999.9 1025.4 99.9 99.9 99.9            
202417302501CLSM4   39  21.7 999.9  40  6.2  7.2 999 9999.9 1025.1 99.9 99.9 99.9            
202417303001CLSM4   39  21.2 999.9  30  6.7  7.7 999 9999.9 1025.1 99.9 99.9 99.9            
202417303101CLSM4   39  21.1 999.9  30  5.7  7.7 999 9999.9 1025.4 99.9 99.9 99.9            
202417303201CLSM4   39  21.0 999.9  40  6.7  7.2 999 9999.9 1025.1 99.9 99.9 99.9            
202417303301CLSM4   39  21.2 999.9  30  5.1  6.7 999 9999.9 1025.1 99.9 99.9 99.9            
202417303401CLSM4   39  21.2 999.9  30  6.7  7.7 999 9999.9 1025.1 99.9 99.9 99.9            
202417303501CLSM4   39  21.2 999.9  20  5.7  7.2 999 9999.9 1025.1 99.9 99.9 99.9            
202417304001CLSM4   39  21.2 999.9  30  4.6  6.2 999 9999.9 1025.4 99.9 99.9 99.9            
202417304101CLSM4   39  21.3 999.9  20  4.1  6.2 999 9999.9 1025.4 99.9 99.9 99.9            
202417304201CLSM4   39  21.3 999.9  30  3.6  4.6 999 9999.9 1025.4 99.9 99.9 99.9            
202417304301CLSM4   39  21.1 999.9  10  3.6  4.6 999 9999.9 1025.4 99.9 99.9 99.9            
202417304401CLSM4   39  21.1 999.9  10  3.1  4.6 999 9999.9 1025.4 99.9 99.9 99.9            
202417304501CLSM4   39  21.0 999.9  10  4.1  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202417305001CLSM4   39  21.0 999.9 360  3.1  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202417305101CLSM4   39  21.0 999.9 360  3.6  4.1 999 9999.9 1025.1 99.9 99.9 99.9            
202417305201CLSM4   39  21.0 999.9 360  3.1  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202417305301CLSM4   39  20.9 999.9  10  3.1  4.6 999 9999.9 1025.1 99.9 99.9 99.9            
202417305401CLSM4   39  20.8 999.9  40  3.1  4.1 999 9999.9 1025.1 99.9 99.9 99.9            
202417305501CLSM4   39  20.8 999.9  40  2.6  3.1 999 9999.9 1024.7 99.9 99.9 99.9            
202417306001CLSM4   39  20.8 999.9  40  2.1  3.1 999 9999.9 1024.7 99.9 99.9 99.9            
202417306101CLSM4   39  20.7 999.9  30  2.1  3.1 999 9999.9 1024.7 99.9 99.9 99.9            
202417306201CLSM4   39  20.7 999.9  60  2.1  2.6 999 9999.9 1024.7 99.9 99.9 99.9            
202417306301CLSM4   39  20.7 999.9  70  2.6  3.1 999 9999.9 1024.4 99.9 99.9 99.9            
202417306401CLSM4   39  20.5 999.9  90  2.1  2.6 999 9999.9 1024.4 99.9 99.9 99.9            
202417306501CLSM4   39  20.5 999.9  50  1.5  2.6 999 9999.9 1024.4 99.9 99.9 99.9            
202417307001CLSM4   39  20.5 999.9  70  1.5  2.6 999 9999.9 1024.4 99.9 99.9 99.9            
202417307101CLSM4   39  20.5 999.9  40  1.5  2.1 999 9999.9 1024.4 99.9 99.9 99.9            
202417307201CLSM4   39  20.7 999.9  20  3.1  3.6 999 9999.9 1024.4 99.9 99.9 99.9            
202417307301CLSM4   39  20.8 999.9  10  3.1  4.1 999 9999.9 1024.4 99.9 99.9 99.9            
202417307401CLSM4   39  20.9 999.9  10  3.6  4.6 999 9999.9 1024.0 99.9 99.9 99.9            
202417307501CLSM4   39  20.5 999.9 330  1.5  4.1 999 9999.9 1024.0 99.9 99.9 99.9            
202417308001CLSM4   39  20.2 999.9   0  0.0  3.1 999 9999.9 1024.0 99.9 99.9 99.9            
202417308101CLSM4   39  20.0 999.9 330  1.0  2.6 999 9999.9 1024.0 99.9 99.9 99.9            
202417308201CLSM4   39  19.9 999.9 340  1.0  2.6 999 9999.9 1024.0 99.9 99.9 99.9            
202417308301CLSM4   39  19.9 999.9 340  1.5  2.6 999 9999.9 1023.7 99.9 99.9 99.9            
202417308401CLSM4   39  19.9 999.9 330  0.5  2.1 999 9999.9 1023.7 99.9 99.9 99.9            
202417308501CLSM4   39  19.9 999.9 340  1.5  2.6 999 9999.9 1023.7 99.9 99.9 99.9            
202417309001CLSM4   39  19.9 999.9 340  2.1  3.6 999 9999.9 1023.7 99.9 99.9 99.9            
202417309101CLSM4   39  19.9 999.9 330  1.5  3.6 999 9999.9 1023.7 99.9 99.9 99.9            
202417309201CLSM4   39  19.8 999.9 330  1.0  2.1 999 9999.9 1023.7 99.9 99.9 99.9            
202417309301CLSM4   39  19.8 999.9 330  1.0  2.1 999 9999.9 1023.7 99.9 99.9 99.9            
202417309401CLSM4   39  19.8 999.9   0  0.0  2.1 999 9999.9 1023.4 99.9 99.9 99.9            
202417309501CLSM4   39  20.0 999.9  10  1.0  1.5 999 9999.9 1023.7 99.9 99.9 99.9            
202417310001CLSM4   39  19.8 999.9 300  1.5  2.1 999 9999.9 1023.7 99.9 99.9 99.9            
202417310101CLSM4   39  19.7 999.9 300  1.5  2.6 999 9999.9 1023.7 99.9 99.9 99.9            
202417310201CLSM4   39  19.8 999.9 290  1.0  2.1 999 9999.9 1023.7 99.9 99.9 99.9            
202417310301CLSM4   39  20.0 999.9 280  1.0  1.5 999 9999.9 1023.7 99.9 99.9 99.9            
202417310401CLSM4   39  20.3 999.9 310  1.0  1.5 999 9999.9 1023.7 99.9 99.9 99.9            
202417310501CLSM4   39  20.5 999.9 320  1.5  2.6 999 9999.9 1024.0 99.9 99.9 99.9            
202417311001CLSM4   39  21.0 999.9 330  1.0  2.6 999 9999.9 1023.7 99.9 99.9 99.9            
202417311101CLSM4   39  21.8 999.9  20  0.5  1.5 999 9999.9 1023.7 99.9 99.9 99.9            
202417311201CLSM4   39  22.0 999.9  20  0.5  1.0 999 9999.9 1023.7 99.9 99.9 99.9            
202417311301CLSM4   39  21.6 999.9 360  1.5  2.1 999 9999.9 1024.0 99.9 99.9 99.9            
202417311401CLSM4   39  21.6 999.9 350  2.1  2.6 999 9999.9 1024.0 99.9 99.9 99.9            
202417311501CLSM4   39  21.6 999.9  10  1.5  2.6 999 9999.9 1024.4 99.9 99.9 99.9            
202417312001CLSM4   39  21.5 999.9 360  2.6  3.1 999 9999.9 1024.4 99.9 99.9 99.9            
202417312101CLSM4   39  21.7 999.9 340  1.0  2.6 999 9999.9 1024.4 99.9 99.9 99.9            
202417312201CLSM4   39  21.9 999.9  30  1.5  2.1 999 9999.9 1024.0 99.9 99.9 99.9            
202417312301CLSM4   39  22.1 999.9  50  1.5  2.1 999 9999.9 1024.0 99.9 99.9 99.9            
202417312401CLSM4   39  22.3 999.9  70  0.5  1.5 999 9999.9 1024.0 99.9 99.9 99.9            
202417312501CLSM4   39  22.7 999.9  70  1.0  1.0 999 9999.9 1024.0 99.9 99.9 99.9            
202417313001CLSM4   39  22.4 999.9  70  1.0  1.5 999 9999.9 1024.0 99.9 99.9 99.9            
202417313101CLSM4   39  22.2 999.9  50  2.1  2.1 999 9999.9 1024.0 99.9 99.9 99.9            
202417313201CLSM4   39  22.1 999.9  50  1.5  2.6 999 9999.9 1024.0 99.9 99.9 99.9            
202417313301CLSM4   39  22.2 999.9  70  2.1  2.1 999 9999.9 1023.7 99.9 99.9 99.9            
202417313401CLSM4   39  21.6 999.9  50  2.1  2.6 999 9999.9 1024.0 99.9 99.9 99.9            
202417313501CLSM4   39  21.4 999.9  40  2.6  2.6 999 9999.9 1024.0 99.9 99.9 99.9            
202417314001CLSM4   39  21.4 999.9  60  2.1  3.1 999 9999.9 1023.7 99.9 99.9 99.9            
202417314101CLSM4   39  21.6 999.9  50  2.1  2.6 999 9999.9 1023.7 99.9 99.9 99.9            
202417314201CLSM4   39  21.7 999.9  30  1.5  2.1 999 9999.9 1023.7 99.9 99.9 99.9            
202417314301CLSM4   39  21.8 999.9  50  1.5  2.1 999 9999.9 1023.7 99.9 99.9 99.9            
202417314401CLSM4   39  21.7 999.9  50  2.1  2.6 999 9999.9 1023.7 99.9 99.9 99.9            
202417314501CLSM4   39  21.7 999.9  50  2.1  2.1 999 9999.9 1023.7 99.9 99.9 99.9            
202417315001CLSM4   39  21.7 999.9  60  1.5  2.6 999 9999.9 1023.7 99.9 99.9 99.9            
202417315101CLSM4   39  21.9 999.9  70  1.0  1.5 999 9999.9 1024.0 99.9 99.9 99.9            
202417315201CLSM4   39  22.0 999.9  90  1.5  1.5 999 9999.9 1023.7 99.9 99.9 99.9            
202417315301CLSM4   39  22.1 999.9  90  1.0  2.1 999 9999.9 1023.7 99.9 99.9 99.9            
202417315401CLSM4   39  22.2 999.9 100  1.0  1.5 999 9999.9 1023.7 99.9 99.9 99.9            
202417315501CLSM4   39  22.6 999.9 120  1.0  1.5 999 9999.9 1023.7 99.9 99.9 99.9            
202417316001CLSM4   39  22.9 999.9 130  1.0  1.0 999 9999.9 1023.7 99.9 99.9 99.9            
202417316101CLSM4   39  22.9 999.9 130  1.5  1.5 999 9999.9 1023.7 99.9 99.9 99.9            
202417316201CLSM4   39  22.8 999.9 140  2.1  2.1 999 9999.9 1023.7 99.9 99.9 99.9            
202417316301CLSM4   39  22.9 999.9 140  2.6  2.6 999 9999.9 1023.7 99.9 99.9 99.9            
202417316401CLSM4   39  23.4 999.9 150  3.1  3.1 999 9999.9 1023.7 99.9 99.9 99.9            
202417316501CLSM4   39  23.4 999.9 150  3.6  4.1 999 9999.9 1023.4 99.9 99.9 99.9            
202417317001CLSM4   39  23.7 999.9 150  4.1  4.1 999 9999.9 1023.0 99.9 99.9 99.9            
202417317101CLSM4   39  24.0 999.9 150  3.1  4.1 999 9999.9 1023.0 99.9 99.9 99.9            
202417317201CLSM4   39  23.2 999.9 140  4.6  5.1 999 9999.9 1022.7 99.9 99.9 99.9            
202417317301CLSM4   39  23.8 999.9 150  4.6  5.7 999 9999.9 1022.7 99.9 99.9 99.9            
202417317401CLSM4   39  24.4 999.9 150  3.6  5.1 999 9999.9 1022.7 99.9 99.9 99.9            
202417317501CLSM4   39  25.6 999.9 150  2.6  4.1 999 9999.9 1022.7 99.9 99.9 99.9            
202417318001CLSM4   39  25.7 999.9 140  3.1  3.1 999 9999.9 1022.4 99.9 99.9 99.9            
202417318101CLSM4   39  24.9 999.9 140  3.6  3.6 999 9999.9 1022.0 99.9 99.9 99.9            
202417318201CLSM4   39  24.4 999.9 140  4.1  4.6 999 9999.9 1022.0 99.9 99.9 99.9            
202417318301CLSM4   39  24.3 999.9 140  4.1  4.1 999 9999.9 1022.0 99.9 99.9 99.9            
202417318401CLSM4   39  24.4 999.9 140  4.1  4.6 999 9999.9 1021.7 99.9 99.9 99.9            
202417318501CLSM4   39  24.6 999.9 140  4.1  4.6 999 9999.9 1021.7 99.9 99.9 99.9            
202417319001CLSM4   39  24.8 999.9 140  4.1  4.6 999 9999.9 1021.3 99.9 99.9 99.9            
202417319101CLSM4   39  24.7 999.9 140  3.6  4.1 999 9999.9 1021.3 99.9 99.9 99.9            
202417319201CLSM4   39  25.1 999.9 130  3.1  3.6 999 9999.9 1021.3 99.9 99.9 99.9            
202417319301CLSM4   39  24.9 999.9 130  2.6  3.1 999 9999.9 1021.3 99.9 99.9 99.9            
202417319401CLSM4   39  24.8 999.9 130  3.1  3.1 999 9999.9 1021.3 99.9 99.9 99.9            
202417319501CLSM4   39  24.9 999.9 130  3.1  3.6 999 9999.9 1021.0 99.9 99.9 99.9            
202417320001CLSM4   39  25.1 999.9 140  3.6  4.1 999 9999.9 1020.7 99.9 99.9 99.9            
202417320101CLSM4   39  25.3 999.9 140  3.1  4.1 999 9999.9 1020.7 99.9 99.9 99.9            
202417320201CLSM4   39  25.8 999.9 140  3.1  3.6 999 9999.9 1020.3 99.9 99.9 99.9            
202417320301CLSM4   39  25.9 999.9 130  2.6  3.6 999 9999.9 1020.0 99.9 99.9 99.9            
202417320401CLSM4   39  25.8 999.9 120  2.6  3.6 999 9999.9 1019.6 99.9 99.9 99.9            
202417320401CLSM4   39  25.8 999.9 120  2.6  7.7 999 9999.9 1019.6 99.9 99.9 99.9            
202417320501CLSM4   39  25.7 999.9 130  2.1  3.1 999 9999.9 1020.0 99.9 99.9 99.9            
202417321001CLSM4   39  26.2 999.9 170  2.6  3.6 999 9999.9 1020.0 99.9 99.9 99.9            
202417321101CLSM4   39  25.7 999.9 120  3.1  4.1 999 9999.9 1019.6 99.9 99.9 99.9            
202417321201CLSM4   39  25.4 999.9  90  1.5  3.1 999 9999.9 1019.6 99.9 99.9 99.9            
202417321301CLSM4   39  25.6 999.9 270  2.1  2.6 999 9999.9 1020.0 99.9 99.9 99.9            
202417321401CLSM4   39  25.4 999.9   0  0.0  3.1 999 9999.9 1020.0 99.9 99.9 99.9            
202417321501CLSM4   39  25.3 999.9  30  2.6  2.6 999 9999.9 1019.6 99.9 99.9 99.9            
202417322001CLSM4   39  25.2 999.9  40  2.1  3.6 999 9999.9 1019.6 99.9 99.9 99.9            
202417322101CLSM4   39  25.6 999.9  10  5.1  6.2 999 9999.9 1019.6 99.9 99.9 99.9            
202417322201CLSM4   39  25.6 999.9 360  5.1  5.1 999 9999.9 1019.3 99.9 99.9 99.9            
202417322301CLSM4   39  25.9 999.9  10  4.6  5.7 999 9999.9 1019.3 99.9 99.9 99.9            
202417322401CLSM4   39  25.7 999.9 360  2.6  5.1 999 9999.9 1019.3 99.9 99.9 99.9            
202417322501CLSM4   39  25.7 999.9  20  2.1  2.6 999 9999.9 1019.0 99.9 99.9 99.9            
202417323001CLSM4   39  25.6 999.9  20  0.5  2.1 999 9999.9 1019.3 99.9 99.9 99.9            
202417323101CLSM4   39  25.6 999.9 360  2.1  2.1 999 9999.9 1019.6 99.9 99.9 99.9            
202417323201CLSM4   39  25.9 999.9 340  6.2 12.9 999 9999.9 1020.0 99.9 99.9 99.9            
202417323301CLSM4   39  25.0 999.9 350  8.7 10.8 999 9999.9 1020.0 99.9 99.9 99.9            
202417323401CLSM4   39  24.6 999.9 360  5.1  8.2 999 9999.9 1020.0 99.9 99.9 99.9            
202417323501CLSM4   39  24.6 999.9 360  4.1  6.2 999 9999.9 1020.0 99.9 99.9 99.9
  New Graph (click on parameter):                                      
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