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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

Current Time: 2022 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 (183)
 (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
202518300001CLSM4   39  28.6 999.9 310  3.6  6.7 999 9999.9 1011.5 99.9 99.9 99.9             
202518300101CLSM4   39  28.2 999.9 320  2.6  6.7 999 9999.9 1011.9 99.9 99.9 99.9             
202518300201CLSM4   39  28.1 999.9 310  2.6  6.2 999 9999.9 1011.9 99.9 99.9 99.9             
202518300301CLSM4   39  27.9 999.9 320  3.1  6.7 999 9999.9 1011.9 99.9 99.9 99.9             
202518300501CLSM4   39  27.7 999.9 310  1.5  4.1 999 9999.9 1011.9 99.9 99.9 99.9             
202518301001CLSM4   39  27.4 999.9 310  2.1  4.1 999 9999.9 1011.9 99.9 99.9 99.9             
202518301101CLSM4   39  27.2 999.9 320  1.0  4.1 999 9999.9 1012.2 99.9 99.9 99.9             
202518301201CLSM4   39  27.0 999.9 310  1.5  3.6 999 9999.9 1012.2 99.9 99.9 99.9             
202518301301CLSM4   39  26.9 999.9 310  2.1  3.1 999 9999.9 1012.2 99.9 99.9 99.9             
202518301401CLSM4   39  26.8 999.9 310  1.0  3.6 999 9999.9 1012.5 99.9 99.9 99.9             
202518301501CLSM4   39  26.6 999.9 310  1.5  3.1 999 9999.9 1012.5 99.9 99.9 99.9             
202518302001CLSM4   39  26.4 999.9 300  1.5  2.6 999 9999.9 1012.5 99.9 99.9 99.9             
202518302101CLSM4   39  26.3 999.9 290  1.0  2.1 999 9999.9 1012.9 99.9 99.9 99.9             
202518302201CLSM4   39  26.2 999.9 290  1.0  2.1 999 9999.9 1012.9 99.9 99.9 99.9             
202518302301CLSM4   39  26.0 999.9 300  1.5  2.1 999 9999.9 1012.9 99.9 99.9 99.9             
202518302401CLSM4   39  25.9 999.9 290  1.0  2.1 999 9999.9 1012.9 99.9 99.9 99.9             
202518302501CLSM4   39  25.9 999.9 290  2.1  3.1 999 9999.9 1013.2 99.9 99.9 99.9             
202518303001CLSM4   39  25.7 999.9 290  1.5  2.6 999 9999.9 1013.2 99.9 99.9 99.9             
202518303101CLSM4   39  25.6 999.9 290  1.0  2.1 999 9999.9 1013.2 99.9 99.9 99.9             
202518303201CLSM4   39  25.3 999.9 290  1.5  2.1 999 9999.9 1013.2 99.9 99.9 99.9             
202518303301CLSM4   39  25.2 999.9 290  2.1  3.1 999 9999.9 1013.2 99.9 99.9 99.9             
202518303401CLSM4   39  25.1 999.9 290  2.1  3.1 999 9999.9 1013.5 99.9 99.9 99.9             
202518303501CLSM4   39  24.9 999.9 290  2.1  2.6 999 9999.9 1013.5 99.9 99.9 99.9             
202518304001CLSM4   39  24.8 999.9 290  1.5  3.1 999 9999.9 1013.5 99.9 99.9 99.9             
202518304101CLSM4   39  24.7 999.9 290  2.1  2.6 999 9999.9 1013.5 99.9 99.9 99.9             
202518304201CLSM4   39  24.5 999.9 290  2.1  3.1 999 9999.9 1013.5 99.9 99.9 99.9             
202518304301CLSM4   39  24.3 999.9 290  1.5  3.1 999 9999.9 1013.9 99.9 99.9 99.9             
202518304401CLSM4   39  24.2 999.9 290  2.6  3.1 999 9999.9 1013.9 99.9 99.9 99.9             
202518304501CLSM4   39  24.0 999.9 290  2.1  3.1 999 9999.9 1013.9 99.9 99.9 99.9             
202518305001CLSM4   39  23.8 999.9 300  2.1  3.1 999 9999.9 1013.9 99.9 99.9 99.9             
202518305101CLSM4   39  23.7 999.9 300  2.6  3.6 999 9999.9 1013.9 99.9 99.9 99.9             
202518305201CLSM4   39  23.6 999.9 290  2.6  3.1 999 9999.9 1014.2 99.9 99.9 99.9             
202518305301CLSM4   39  23.4 999.9 290  1.5  3.1 999 9999.9 1014.2 99.9 99.9 99.9             
202518305401CLSM4   39  23.3 999.9 300  2.1  2.6 999 9999.9 1014.2 99.9 99.9 99.9             
202518305501CLSM4   39  23.1 999.9 290  2.1  3.6 999 9999.9 1014.2 99.9 99.9 99.9             
202518306101CLSM4   39  22.8 999.9 290  2.1  3.1 999 9999.9 1014.2 99.9 99.9 99.9             
202518306201CLSM4   39  22.8 999.9 280  2.1  3.1 999 9999.9 1014.6 99.9 99.9 99.9             
202518306301CLSM4   39  22.7 999.9 270  1.5  2.6 999 9999.9 1014.2 99.9 99.9 99.9             
202518306401CLSM4   39  22.5 999.9 280  1.5  2.6 999 9999.9 1014.2 99.9 99.9 99.9             
202518306501CLSM4   39  22.4 999.9 280  1.5  2.6 999 9999.9 1014.2 99.9 99.9 99.9             
202518307001CLSM4   39  22.3 999.9 280  2.1  2.6 999 9999.9 1014.2 99.9 99.9 99.9             
202518307101CLSM4   39  22.1 999.9 280  2.6  3.1 999 9999.9 1014.2 99.9 99.9 99.9             
202518307201CLSM4   39  22.1 999.9 280  2.6  3.1 999 9999.9 1014.6 99.9 99.9 99.9             
202518307301CLSM4   39  21.9 999.9 290  2.6  3.6 999 9999.9 1014.6 99.9 99.9 99.9             
202518307401CLSM4   39  21.9 999.9 280  2.6  3.6 999 9999.9 1014.6 99.9 99.9 99.9             
202518307501CLSM4   39  22.0 999.9 280  3.1  4.1 999 9999.9 1014.6 99.9 99.9 99.9             
202518308001CLSM4   39  21.9 999.9 280  2.1  4.1 999 9999.9 1014.6 99.9 99.9 99.9             
202518308101CLSM4   39  21.7 999.9 280  2.6  3.1 999 9999.9 1014.6 99.9 99.9 99.9             
202518308201CLSM4   39  21.7 999.9 280  2.6  3.6 999 9999.9 1014.6 99.9 99.9 99.9             
202518308301CLSM4   39  21.5 999.9 280  2.1  3.6 999 9999.9 1014.6 99.9 99.9 99.9             
202518308401CLSM4   39  21.2 999.9 280  3.1  3.6 999 9999.9 1014.6 99.9 99.9 99.9             
202518308501CLSM4   39  21.1 999.9 290  2.6  3.6 999 9999.9 1014.6 99.9 99.9 99.9             
202518309001CLSM4   39  21.0 999.9 280  2.6  3.1 999 9999.9 1014.6 99.9 99.9 99.9             
202518309101CLSM4   39  21.0 999.9 280  1.5  3.6 999 9999.9 1014.9 99.9 99.9 99.9             
202518309201CLSM4   39  20.9 999.9 280  2.1  3.1 999 9999.9 1014.9 99.9 99.9 99.9             
202518309301CLSM4   39  20.8 999.9 280  1.5  2.6 999 9999.9 1014.9 99.9 99.9 99.9             
202518309401CLSM4   39  20.7 999.9 270  1.5  2.1 999 9999.9 1014.9 99.9 99.9 99.9             
202518309501CLSM4   39  20.6 999.9 270  1.0  2.1 999 9999.9 1014.9 99.9 99.9 99.9             
202518310001CLSM4   39  20.6 999.9 260  1.0  2.1 999 9999.9 1014.9 99.9 99.9 99.9             
202518310101CLSM4   39  20.6 999.9 260  1.5  2.1 999 9999.9 1014.9 99.9 99.9 99.9             
202518310201CLSM4   39  20.5 999.9 240  1.5  2.1 999 9999.9 1014.9 99.9 99.9 99.9             
202518310301CLSM4   39  20.5 999.9 250  2.1  2.1 999 9999.9 1014.9 99.9 99.9 99.9             
202518310401CLSM4   39  20.6 999.9 250  1.0  2.1 999 9999.9 1014.9 99.9 99.9 99.9             
202518310501CLSM4   39  20.6 999.9 240  1.5  2.1 999 9999.9 1014.9 99.9 99.9 99.9             
202518311001CLSM4   39  20.7 999.9 230  2.1  3.1 999 9999.9 1014.9 99.9 99.9 99.9             
202518311101CLSM4   39  20.9 999.9 230  2.1  2.6 999 9999.9 1014.9 99.9 99.9 99.9             
202518311301CLSM4   39  21.7 999.9 210  1.5  2.1 999 9999.9 1015.2 99.9 99.9 99.9             
202518311401CLSM4   39  22.6 999.9 200  1.0  2.1 999 9999.9 1015.2 99.9 99.9 99.9             
202518311501CLSM4   39  22.8 999.9   0  0.0  2.6 999 9999.9 1015.2 99.9 99.9 99.9             
202518312001CLSM4   39  22.5 999.9 220  1.5  2.1 999 9999.9 1015.2 99.9 99.9 99.9             
202518312101CLSM4   39  22.8 999.9 240  1.5  2.1 999 9999.9 1015.6 99.9 99.9 99.9             
202518312201CLSM4   39  22.9 999.9 240  2.1  2.1 999 9999.9 1015.6 99.9 99.9 99.9             
202518312301CLSM4   39  23.2 999.9 240  1.5  2.6 999 9999.9 1015.6 99.9 99.9 99.9             
202518312401CLSM4   39  23.5 999.9 240  1.5  2.1 999 9999.9 1015.6 99.9 99.9 99.9             
202518312501CLSM4   39  23.8 999.9 230  1.5  2.6 999 9999.9 1015.2 99.9 99.9 99.9             
202518313001CLSM4   39  24.3 999.9 240  2.1  2.6 999 9999.9 1015.6 99.9 99.9 99.9             
202518313101CLSM4   39  24.6 999.9 240  2.1  2.6 999 9999.9 1015.6 99.9 99.9 99.9             
202518313201CLSM4   39  24.9 999.9 240  1.0  2.6 999 9999.9 1015.6 99.9 99.9 99.9             
202518313301CLSM4   39  25.2 999.9 230  1.0  3.1 999 9999.9 1015.6 99.9 99.9 99.9             
202518313401CLSM4   39  25.8 999.9 230  2.6  3.1 999 9999.9 1015.6 99.9 99.9 99.9             
202518313501CLSM4   39  25.8 999.9 250  3.1  3.6 999 9999.9 1015.9 99.9 99.9 99.9             
202518314001CLSM4   39  25.7 999.9 250  2.6  5.1 999 9999.9 1015.9 99.9 99.9 99.9             
202518314101CLSM4   39  26.1 999.9 240  2.6  4.1 999 9999.9 1015.6 99.9 99.9 99.9             
202518314201CLSM4   39  26.3 999.9 280  2.6  4.1 999 9999.9 1015.6 99.9 99.9 99.9             
202518314301CLSM4   39  26.6 999.9 240  3.1  4.1 999 9999.9 1015.6 99.9 99.9 99.9             
202518314401CLSM4   39  26.8 999.9 270  3.6  5.7 999 9999.9 1015.6 99.9 99.9 99.9             
202518314501CLSM4   39  26.8 999.9 260  3.6  5.7 999 9999.9 1015.6 99.9 99.9 99.9             
202518315101CLSM4   39  27.6 999.9 230  3.1  4.6 999 9999.9 1015.2 99.9 99.9 99.9             
202518315201CLSM4   39  27.4 999.9 240  1.5  6.2 999 9999.9 1015.2 99.9 99.9 99.9             
202518315301CLSM4   39  27.5 999.9 230  2.1  4.6 999 9999.9 1014.9 99.9 99.9 99.9             
202518315401CLSM4   39  28.1 999.9 230  4.6  7.2 999 9999.9 1015.2 99.9 99.9 99.9             
202518315501CLSM4   39  27.9 999.9 230  4.1  6.2 999 9999.9 1014.9 99.9 99.9 99.9             
202518316001CLSM4   39  28.2 999.9 220  2.1  6.2 999 9999.9 1014.9 99.9 99.9 99.9             
202518316101CLSM4   39  27.8 999.9 240  3.1  6.7 999 9999.9 1014.9 99.9 99.9 99.9             
202518316201CLSM4   39  28.1 999.9 240  5.1  6.7 999 9999.9 1014.9 99.9 99.9 99.9             
202518316301CLSM4   39  28.3 999.9 260  3.6  8.2 999 9999.9 1014.9 99.9 99.9 99.9             
202518316501CLSM4   39  28.3 999.9 260  2.6  7.7 999 9999.9 1014.6 99.9 99.9 99.9             
202518317001CLSM4   39  28.5 999.9 300  3.1  6.7 999 9999.9 1014.6 99.9 99.9 99.9             
202518317101CLSM4   39  28.6 999.9 270  4.1  6.2 999 9999.9 1014.6 99.9 99.9 99.9             
202518317201CLSM4   39  29.1 999.9 260  3.1  4.6 999 9999.9 1014.2 99.9 99.9 99.9             
202518317301CLSM4   39  29.2 999.9 300  3.6  6.2 999 9999.9 1014.2 99.9 99.9 99.9             
202518317401CLSM4   39  29.4 999.9 260  4.6  6.2 999 9999.9 1014.2 99.9 99.9 99.9             
202518317501CLSM4   39  29.2 999.9 240  3.1  7.7 999 9999.9 1013.9 99.9 99.9 99.9             
202518318001CLSM4   39  29.6 999.9 230  3.6  8.2 999 9999.9 1013.9 99.9 99.9 99.9             
202518318101CLSM4   39  29.6 999.9 230  4.6  6.7 999 9999.9 1013.9 99.9 99.9 99.9             
202518318201CLSM4   39  29.5 999.9 240  3.1  9.3 999 9999.9 1013.5 99.9 99.9 99.9             
202518318301CLSM4   39  29.3 999.9 280  4.1  5.7 999 9999.9 1013.5 99.9 99.9 99.9             
202518318401CLSM4   39  29.5 999.9 270  3.1  5.1 999 9999.9 1013.5 99.9 99.9 99.9             
202518318501CLSM4   39  29.8 999.9 260  2.6  4.6 999 9999.9 1013.5 99.9 99.9 99.9             
202518319001CLSM4   39  29.7 999.9 250  5.7  6.7 999 9999.9 1013.2 99.9 99.9 99.9
  New Graph (click on parameter):                                      
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110 matching elements
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This Web page created and maintained by Greg Lang, NOAA/GLERL,
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