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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: 2134 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 (346)
 (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
202434600001CLSM4   39   6.2 999.9 310  1.0  2.1 999 9999.9 1009.5 99.9 99.9 99.9             
202434600101CLSM4   39   6.1 999.9 320  1.0  2.6 999 9999.9 1009.8 99.9 99.9 99.9             
202434600201CLSM4   39   6.1 999.9 310  1.5  2.1 999 9999.9 1009.5 99.9 99.9 99.9             
202434600301CLSM4   39   5.8 999.9 300  2.6  3.6 999 9999.9 1009.8 99.9 99.9 99.9             
202434600401CLSM4   39   5.8 999.9 310  2.1  3.1 999 9999.9 1009.8 99.9 99.9 99.9             
202434600501CLSM4   39   5.6 999.9 300  2.6  4.1 999 9999.9 1009.8 99.9 99.9 99.9             
202434601001CLSM4   39   5.3 999.9 300  2.1  3.6 999 9999.9 1009.8 99.9 99.9 99.9             
202434601101CLSM4   39   5.2 999.9 310  2.6  3.6 999 9999.9 1009.8 99.9 99.9 99.9             
202434601201CLSM4   39   5.0 999.9 300  2.1  3.6 999 9999.9 1010.2 99.9 99.9 99.9             
202434601301CLSM4   39   4.8 999.9 290  2.1  3.1 999 9999.9 1010.2 99.9 99.9 99.9             
202434601401CLSM4   39   4.6 999.9 290  2.1  3.1 999 9999.9 1010.5 99.9 99.9 99.9             
202434601501CLSM4   39   4.3 999.9 290  2.1  2.6 999 9999.9 1010.5 99.9 99.9 99.9             
202434602001CLSM4   39   4.2 999.9 280  1.5  2.6 999 9999.9 1010.5 99.9 99.9 99.9             
202434602101CLSM4   39   4.0 999.9 290  1.0  2.1 999 9999.9 1010.2 99.9 99.9 99.9             
202434602201CLSM4   39   3.8 999.9 290  1.0  2.1 999 9999.9 1010.5 99.9 99.9 99.9             
202434602301CLSM4   39   3.6 999.9 280  1.0  1.5 999 9999.9 1010.5 99.9 99.9 99.9             
202434602401CLSM4   39   3.3 999.9 270  1.0  1.5 999 9999.9 1010.2 99.9 99.9 99.9             
202434602501CLSM4   39   3.3 999.9 270  1.5  2.1 999 9999.9 1010.2 99.9 99.9 99.9             
202434603001CLSM4   39   3.1 999.9 260  1.5  1.5 999 9999.9 1010.2 99.9 99.9 99.9             
202434603101CLSM4   39   3.1 999.9 260  2.1  2.1 999 9999.9 1010.5 99.9 99.9 99.9             
202434603201CLSM4   39   3.0 999.9 260  1.5  2.1 999 9999.9 1010.2 99.9 99.9 99.9             
202434603301CLSM4   39   3.0 999.9 270  1.5  2.1 999 9999.9 1010.2 99.9 99.9 99.9             
202434603401CLSM4   39   2.9 999.9 260  1.5  2.1 999 9999.9 1010.2 99.9 99.9 99.9             
202434603501CLSM4   39   2.8 999.9 250  1.0  1.5 999 9999.9 1010.2 99.9 99.9 99.9             
202434604001CLSM4   39   2.7 999.9 250  2.1  2.1 999 9999.9 1010.2 99.9 99.9 99.9             
202434604101CLSM4   39   3.1 999.9 250  1.0  2.1 999 9999.9 1010.2 99.9 99.9 99.9             
202434604201CLSM4   39   3.1 999.9 250  1.0  1.5 999 9999.9 1010.2 99.9 99.9 99.9             
202434604301CLSM4   39   3.1 999.9 250  1.0  1.5 999 9999.9 1010.2 99.9 99.9 99.9             
202434604401CLSM4   39   3.1 999.9 250  1.0  2.1 999 9999.9 1010.2 99.9 99.9 99.9             
202434604501CLSM4   39   3.2 999.9 240  2.1  3.1 999 9999.9 1010.2 99.9 99.9 99.9             
202434605001CLSM4   39   3.2 999.9 240  3.1  4.1 999 9999.9 1010.2 99.9 99.9 99.9             
202434605101CLSM4   39   3.4 999.9 250  3.1  4.6 999 9999.9 1010.2 99.9 99.9 99.9             
202434605201CLSM4   39   3.4 999.9 250  2.6  4.6 999 9999.9 1009.8 99.9 99.9 99.9             
202434605301CLSM4   39   3.2 999.9 250  2.1  3.6 999 9999.9 1009.8 99.9 99.9 99.9             
202434605401CLSM4   39   3.1 999.9 250  2.1  3.1 999 9999.9 1009.8 99.9 99.9 99.9             
202434605501CLSM4   39   3.1 999.9 260  1.5  3.1 999 9999.9 1009.8 99.9 99.9 99.9             
202434606001CLSM4   39   3.0 999.9 240  1.5  2.6 999 9999.9 1009.8 99.9 99.9 99.9             
202434606101CLSM4   39   3.0 999.9 240  1.5  2.6 999 9999.9 1009.5 99.9 99.9 99.9             
202434606201CLSM4   39   3.0 999.9 250  1.5  3.1 999 9999.9 1009.5 99.9 99.9 99.9             
202434606301CLSM4   39   3.0 999.9 250  1.5  2.6 999 9999.9 1009.5 99.9 99.9 99.9             
202434606401CLSM4   39   3.1 999.9 250  2.1  3.1 999 9999.9 1009.1 99.9 99.9 99.9             
202434606501CLSM4   39   3.1 999.9 250  2.1  4.1 999 9999.9 1009.5 99.9 99.9 99.9             
202434607001CLSM4   39   3.4 999.9 250  2.1  4.1 999 9999.9 1009.5 99.9 99.9 99.9             
202434607101CLSM4   39   3.4 999.9 260  3.1  4.6 999 9999.9 1009.5 99.9 99.9 99.9             
202434607201CLSM4   39   3.4 999.9 270  2.6  4.6 999 9999.9 1009.1 99.9 99.9 99.9             
202434607301CLSM4   39   3.4 999.9 270  2.6  4.1 999 9999.9 1009.1 99.9 99.9 99.9             
202434607401CLSM4   39   3.2 999.9 270  4.6  6.7 999 9999.9 1009.1 99.9 99.9 99.9             
202434607501CLSM4   39   3.1 999.9 270  3.6  5.7 999 9999.9 1009.1 99.9 99.9 99.9             
202434608001CLSM4   39   2.9 999.9 280  3.6  6.7 999 9999.9 1009.1 99.9 99.9 99.9             
202434608101CLSM4   39   2.8 999.9 280  3.6  6.2 999 9999.9 1009.5 99.9 99.9 99.9             
202434608201CLSM4   39   2.5 999.9 270  4.6  7.7 999 9999.9 1009.5 99.9 99.9 99.9             
202434608301CLSM4   39   2.4 999.9 270  4.6  7.7 999 9999.9 1009.5 99.9 99.9 99.9             
202434608401CLSM4   39   2.4 999.9 270  3.6  6.2 999 9999.9 1009.5 99.9 99.9 99.9             
202434608501CLSM4   39   2.4 999.9 270  3.1  5.7 999 9999.9 1009.5 99.9 99.9 99.9             
202434609001CLSM4   39   2.3 999.9 260  3.6  6.7 999 9999.9 1009.1 99.9 99.9 99.9             
202434609101CLSM4   39   2.3 999.9 270  4.1  6.7 999 9999.9 1009.1 99.9 99.9 99.9             
202434609201CLSM4   39   2.2 999.9 280  3.6  7.7 999 9999.9 1008.8 99.9 99.9 99.9             
202434609301CLSM4   39   2.1 999.9 280  3.1  5.7 999 9999.9 1008.8 99.9 99.9 99.9             
202434609401CLSM4   39   2.1 999.9 270  3.6  5.7 999 9999.9 1008.8 99.9 99.9 99.9             
202434609501CLSM4   39   2.1 999.9 260  4.1  6.7 999 9999.9 1008.8 99.9 99.9 99.9             
202434610001CLSM4   39   2.1 999.9 270  3.1  4.6 999 9999.9 1008.8 99.9 99.9 99.9             
202434610101CLSM4   39   2.1 999.9 250  2.6  5.1 999 9999.9 1008.8 99.9 99.9 99.9             
202434610201CLSM4   39   2.1 999.9 270  4.1  6.2 999 9999.9 1008.8 99.9 99.9 99.9             
202434610301CLSM4   39   2.0 999.9 270  2.6  6.2 999 9999.9 1008.8 99.9 99.9 99.9             
202434610401CLSM4   39   1.9 999.9 260  4.6  6.2 999 9999.9 1008.8 99.9 99.9 99.9             
202434610501CLSM4   39   1.8 999.9 260  4.1  6.7 999 9999.9 1008.8 99.9 99.9 99.9             
202434611001CLSM4   39   1.8 999.9 260  3.6  6.7 999 9999.9 1009.1 99.9 99.9 99.9             
202434611101CLSM4   39   1.8 999.9 260  4.1  7.2 999 9999.9 1008.8 99.9 99.9 99.9             
202434611201CLSM4   39   1.8 999.9 270  3.6  6.2 999 9999.9 1009.1 99.9 99.9 99.9             
202434611301CLSM4   39   1.7 999.9 260  4.1  7.2 999 9999.9 1009.1 99.9 99.9 99.9             
202434611401CLSM4   39   1.7 999.9 270  4.1  6.7 999 9999.9 1009.1 99.9 99.9 99.9             
202434611501CLSM4   39   1.6 999.9 270  4.6  6.7 999 9999.9 1008.8 99.9 99.9 99.9             
202434612001CLSM4   39   1.6 999.9 250  3.1  5.1 999 9999.9 1008.8 99.9 99.9 99.9             
202434612101CLSM4   39   1.4 999.9 260  3.6  6.7 999 9999.9 1009.1 99.9 99.9 99.9             
202434612201CLSM4   39   1.4 999.9 260  4.1  7.7 999 9999.9 1009.1 99.9 99.9 99.9             
202434612301CLSM4   39   1.3 999.9 270  4.1  7.2 999 9999.9 1009.1 99.9 99.9 99.9             
202434612401CLSM4   39   1.4 999.9 250  4.1  6.2 999 9999.9 1009.1 99.9 99.9 99.9             
202434612501CLSM4   39   1.5 999.9 260  3.6  6.2 999 9999.9 1008.8 99.9 99.9 99.9             
202434613001CLSM4   39   1.6 999.9 270  4.6  8.2 999 9999.9 1008.8 99.9 99.9 99.9             
202434613101CLSM4   39   1.6 999.9 260  5.7  7.2 999 9999.9 1008.8 99.9 99.9 99.9             
202434613201CLSM4   39   1.5 999.9 270  4.1  7.7 999 9999.9 1008.8 99.9 99.9 99.9             
202434613301CLSM4   39   1.5 999.9 260  2.6  7.2 999 9999.9 1009.1 99.9 99.9 99.9             
202434613401CLSM4   39   1.5 999.9 250  4.6  6.2 999 9999.9 1009.5 99.9 99.9 99.9             
202434613501CLSM4   39   1.4 999.9 260  5.1  7.2 999 9999.9 1009.1 99.9 99.9 99.9             
202434614001CLSM4   39   1.1 999.9 260  4.1  7.7 999 9999.9 1009.1 99.9 99.9 99.9             
202434614101CLSM4   39   1.2 999.9 260  5.1  7.2 999 9999.9 1009.5 99.9 99.9 99.9             
202434614201CLSM4   39   0.9 999.9 260  5.7  8.2 999 9999.9 1009.5 99.9 99.9 99.9             
202434614301CLSM4   39   1.0 999.9 260  5.7  8.2 999 9999.9 1009.5 99.9 99.9 99.9             
202434614401CLSM4   39   1.1 999.9 270  5.1  7.7 999 9999.9 1009.5 99.9 99.9 99.9             
202434614501CLSM4   39   1.1 999.9 270  4.1  6.7 999 9999.9 1009.5 99.9 99.9 99.9             
202434615001CLSM4   39   1.2 999.9 270  3.1  7.7 999 9999.9 1009.5 99.9 99.9 99.9             
202434615101CLSM4   39   1.2 999.9 260  5.7  7.2 999 9999.9 1009.1 99.9 99.9 99.9             
202434615201CLSM4   39   1.2 999.9 260  3.6  7.7 999 9999.9 1009.5 99.9 99.9 99.9             
202434615301CLSM4   39   1.2 999.9 260  4.6  6.7 999 9999.9 1009.5 99.9 99.9 99.9             
202434615401CLSM4   39   1.1 999.9 250  5.7  8.2 999 9999.9 1009.1 99.9 99.9 99.9             
202434615501CLSM4   39   1.1 999.9 260  5.7  8.7 999 9999.9 1009.1 99.9 99.9 99.9             
202434616001CLSM4   39   1.1 999.9 260  5.7  8.2 999 9999.9 1008.8 99.9 99.9 99.9             
202434616101CLSM4   39   1.1 999.9 260  6.7  9.3 999 9999.9 1008.8 99.9 99.9 99.9             
202434616201CLSM4   39   1.1 999.9 260  5.1  8.7 999 9999.9 1008.5 99.9 99.9 99.9             
202434616301CLSM4   39   1.1 999.9 270  5.1  8.2 999 9999.9 1008.8 99.9 99.9 99.9             
202434616401CLSM4   39   1.1 999.9 280  5.7  9.3 999 9999.9 1008.5 99.9 99.9 99.9             
202434616501CLSM4   39   1.1 999.9 270  5.1  7.7 999 9999.9 1008.5 99.9 99.9 99.9             
202434617001CLSM4   39   1.1 999.9 260  4.1  9.3 999 9999.9 1008.5 99.9 99.9 99.9             
202434617101CLSM4   39   1.1 999.9 280  4.1  8.2 999 9999.9 1008.5 99.9 99.9 99.9             
202434617201CLSM4   39   1.2 999.9 270  4.6  6.2 999 9999.9 1008.1 99.9 99.9 99.9             
202434617301CLSM4   39   1.1 999.9 260  4.1  7.7 999 9999.9 1008.1 99.9 99.9 99.9             
202434617401CLSM4   39   1.2 999.9 270  3.6  8.7 999 9999.9 1008.1 99.9 99.9 99.9             
202434617501CLSM4   39   1.2 999.9 270  4.6  7.7 999 9999.9 1008.1 99.9 99.9 99.9             
202434618001CLSM4   39   1.3 999.9 270  5.1  7.7 999 9999.9 1008.1 99.9 99.9 99.9             
202434618101CLSM4   39   1.3 999.9 260  5.7  8.2 999 9999.9 1007.8 99.9 99.9 99.9             
202434618201CLSM4   39   1.3 999.9 270  5.7  8.2 999 9999.9 1007.8 99.9 99.9 99.9             
202434618301CLSM4   39   1.3 999.9 260  5.1  7.7 999 9999.9 1007.8 99.9 99.9 99.9             
202434618401CLSM4   39   1.4 999.9 260  5.1  7.2 999 9999.9 1007.8 99.9 99.9 99.9             
202434618501CLSM4   39   1.3 999.9 260  5.7  8.7 999 9999.9 1007.8 99.9 99.9 99.9             
202434619001CLSM4   39   1.2 999.9 250  6.2  9.8 999 9999.9 1007.8 99.9 99.9 99.9             
202434619101CLSM4   39   1.1 999.9 270  5.7  8.7 999 9999.9 1008.1 99.9 99.9 99.9             
202434619201CLSM4   39   1.0 999.9 240  5.1  8.2 999 9999.9 1008.1 99.9 99.9 99.9             
202434619301CLSM4   39   0.8 999.9 250  6.7  8.7 999 9999.9 1008.1 99.9 99.9 99.9             
202434619401CLSM4   39   0.7 999.9 240  5.1  9.3 999 9999.9 1008.1 99.9 99.9 99.9             
202434619501CLSM4   39   0.7 999.9 250  6.7  8.2 999 9999.9 1008.1 99.9 99.9 99.9             
202434620001CLSM4   39   0.7 999.9 260  5.7  9.3 999 9999.9 1008.1 99.9 99.9 99.9             
202434620101CLSM4   39   0.7 999.9 250  5.7  8.7 999 9999.9 1008.5 99.9 99.9 99.9             
202434620201CLSM4   39   0.6 999.9 260  7.2  9.8 999 9999.9 1008.5 99.9 99.9 99.9             
202434620301CLSM4   39   0.6 999.9 250  4.6  7.7 999 9999.9 1008.5 99.9 99.9 99.9             
202434620401CLSM4   39   0.6 999.9 270  3.6  7.7 999 9999.9 1008.5 99.9 99.9 99.9             
202434620501CLSM4   39   0.6 999.9 260  5.1  7.2 999 9999.9 1008.5 99.9 99.9 99.9             
202434621001CLSM4   39   0.6 999.9 260  5.7  7.7 999 9999.9 1008.8 99.9 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
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  [every 3rd data value plotted]
127 matching elements
0.030 sec
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