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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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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 (285)
 (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
202425700001CLSM4   39  74.1 999.9 110  7.0  8.0 999 9999.9  30.13 99.9 99.9 99.9
202425700101CLSM4   39  73.8 999.9 110  7.0  8.0 999 9999.9  30.13 99.9 99.9 99.9
202425700201CLSM4   39  73.6 999.9 110  7.0  8.0 999 9999.9  30.13 99.9 99.9 99.9
202425700301CLSM4   39  73.2 999.9 100  7.0  8.0 999 9999.9  30.14 99.9 99.9 99.9
202425700401CLSM4   39  73.0 999.9 100  6.0  7.0 999 9999.9  30.14 99.9 99.9 99.9
202425700501CLSM4   39  73.2 999.9 100  6.0  8.0 999 9999.9  30.14 99.9 99.9 99.9
202425701001CLSM4   39  73.2 999.9 100  8.0  8.9 999 9999.9  30.14 99.9 99.9 99.9
202425701101CLSM4   39  73.0 999.9 100  8.0  8.9 999 9999.9  30.15 99.9 99.9 99.9
202425701201CLSM4   39  72.9 999.9  90  8.0  8.9 999 9999.9  30.15 99.9 99.9 99.9
202425701301CLSM4   39  72.7 999.9  90  7.0  8.9 999 9999.9  30.15 99.9 99.9 99.9
202425701401CLSM4   39  72.7 999.9 100  8.0  8.9 999 9999.9  30.15 99.9 99.9 99.9
202425701501CLSM4   39  72.3 999.9 100  8.0  8.9 999 9999.9  30.15 99.9 99.9 99.9
202425702001CLSM4   39  72.1 999.9  90  7.0  9.9 999 9999.9  30.16 99.9 99.9 99.9
202425702101CLSM4   39  72.1 999.9  90  8.9  9.9 999 9999.9  30.15 99.9 99.9 99.9
202425702201CLSM4   39  72.1 999.9 100  8.0  9.9 999 9999.9  30.16 99.9 99.9 99.9
202425702301CLSM4   39  72.1 999.9 100  8.0  9.9 999 9999.9  30.16 99.9 99.9 99.9
202425702401CLSM4   39  72.0 999.9 100  7.0  8.9 999 9999.9  30.16 99.9 99.9 99.9
202425702501CLSM4   39  72.0 999.9 110  8.9  9.9 999 9999.9  30.16 99.9 99.9 99.9
202425703001CLSM4   39  71.6 999.9 110  7.0  9.9 999 9999.9  30.17 99.9 99.9 99.9
202425703101CLSM4   39  71.4 999.9 100  7.0  8.9 999 9999.9  30.17 99.9 99.9 99.9
202425703201CLSM4   39  71.2 999.9 100  7.0  8.9 999 9999.9  30.17 99.9 99.9 99.9
202425703301CLSM4   39  71.2 999.9  90  7.0  9.9 999 9999.9  30.17 99.9 99.9 99.9
202425703401CLSM4   39  71.1 999.9  80  7.0  8.9 999 9999.9  30.18 99.9 99.9 99.9
202425703501CLSM4   39  71.1 999.9  80  6.0  9.9 999 9999.9  30.18 99.9 99.9 99.9
202425704001CLSM4   39  71.1 999.9  80  7.0  8.9 999 9999.9  30.18 99.9 99.9 99.9
202425704101CLSM4   39  70.7 999.9  50  4.1  7.0 999 9999.9  30.18 99.9 99.9 99.9
202425704201CLSM4   39  70.3 999.9  40  5.1  6.0 999 9999.9  30.18 99.9 99.9 99.9
202425704301CLSM4   39  70.2 999.9  40  2.9  5.1 999 9999.9  30.18 99.9 99.9 99.9
202425704401CLSM4   39  70.0 999.9  40  4.1  5.1 999 9999.9  30.18 99.9 99.9 99.9
202425704501CLSM4   39  69.8 999.9  50  2.9  4.1 999 9999.9  30.18 99.9 99.9 99.9
202425705001CLSM4   39  69.8 999.9  30  4.1  5.1 999 9999.9  30.18 99.9 99.9 99.9
202425705101CLSM4   39  69.6 999.9  40  5.1  5.1 999 9999.9  30.18 99.9 99.9 99.9
202425705201CLSM4   39  69.6 999.9  30  4.1  6.0 999 9999.9  30.18 99.9 99.9 99.9
202425705301CLSM4   39  69.6 999.9  40  4.1  5.1 999 9999.9  30.18 99.9 99.9 99.9
202425705401CLSM4   39  69.6 999.9  50  4.1  5.1 999 9999.9  30.18 99.9 99.9 99.9
202425705501CLSM4   39  69.6 999.9  50  5.1  6.0 999 9999.9  30.18 99.9 99.9 99.9
202425706001CLSM4   39  69.4 999.9  40  5.1  6.0 999 9999.9  30.18 99.9 99.9 99.9
202425706101CLSM4   39  69.3 999.9  50  5.1  6.0 999 9999.9  30.18 99.9 99.9 99.9
202425706201CLSM4   39  69.1 999.9  50  5.1  6.0 999 9999.9  30.18 99.9 99.9 99.9
202425706301CLSM4   39  69.1 999.9  60  4.1  6.0 999 9999.9  30.18 99.9 99.9 99.9
202425706401CLSM4   39  69.1 999.9  60  5.1  6.0 999 9999.9  30.18 99.9 99.9 99.9
202425706501CLSM4   39  69.3 999.9  50  5.1  6.0 999 9999.9  30.18 99.9 99.9 99.9
202425707001CLSM4   39  69.3 999.9  60  6.0  7.0 999 9999.9  30.18 99.9 99.9 99.9
202425707101CLSM4   39  69.3 999.9  70  5.1  6.0 999 9999.9  30.18 99.9 99.9 99.9
202425707201CLSM4   39  69.3 999.9  70  7.0  8.0 999 9999.9  30.18 99.9 99.9 99.9
202425707301CLSM4   39  69.3 999.9  80  7.0  8.0 999 9999.9  30.18 99.9 99.9 99.9
202425707401CLSM4   39  69.4 999.9  90  8.0  8.9 999 9999.9  30.18 99.9 99.9 99.9
202425707501CLSM4   39  70.0 999.9  90  8.9 11.1 999 9999.9  30.18 99.9 99.9 99.9
202425708001CLSM4   39  70.2 999.9 100 11.1 13.0 999 9999.9  30.17 99.9 99.9 99.9
202425708101CLSM4   39  70.2 999.9 100 12.1 13.0 999 9999.9  30.18 99.9 99.9 99.9
202425708201CLSM4   39  70.0 999.9 100  9.9 12.1 999 9999.9  30.17 99.9 99.9 99.9
202425708301CLSM4   39  70.0 999.9 100  9.9 12.1 999 9999.9  30.18 99.9 99.9 99.9
202425708401CLSM4   39  70.0 999.9 100  8.9 12.1 999 9999.9  30.18 99.9 99.9 99.9
202425708501CLSM4   39  69.8 999.9 100  8.9 11.1 999 9999.9  30.18 99.9 99.9 99.9
202425709001CLSM4   39  69.8 999.9 100  8.9  9.9 999 9999.9  30.18 99.9 99.9 99.9
202425709101CLSM4   39  69.8 999.9 110  8.0  9.9 999 9999.9  30.18 99.9 99.9 99.9
202425709201CLSM4   39  69.8 999.9 110  7.0  8.9 999 9999.9  30.18 99.9 99.9 99.9
202425709301CLSM4   39  69.8 999.9  90  6.0  8.0 999 9999.9  30.18 99.9 99.9 99.9
202425709401CLSM4   39  69.8 999.9  90  6.0  7.0 999 9999.9  30.18 99.9 99.9 99.9
202425709501CLSM4   39  69.8 999.9 100  7.0  8.0 999 9999.9  30.18 99.9 99.9 99.9
202425710001CLSM4   39  69.8 999.9 100  7.0  8.0 999 9999.9  30.18 99.9 99.9 99.9
202425710101CLSM4   39  69.8 999.9 100  7.0  8.0 999 9999.9  30.18 99.9 99.9 99.9
202425710201CLSM4   39  69.6 999.9  90  8.0  8.9 999 9999.9  30.18 99.9 99.9 99.9
202425710301CLSM4   39  69.8 999.9  90  8.0  8.9 999 9999.9  30.19 99.9 99.9 99.9
202425710401CLSM4   39  69.8 999.9  90  8.0  8.9 999 9999.9  30.18 99.9 99.9 99.9
202425710501CLSM4   39  69.8 999.9 100  8.9  9.9 999 9999.9  30.18 99.9 99.9 99.9
202425711001CLSM4   39  69.8 999.9 100  8.9  9.9 999 9999.9  30.19 99.9 99.9 99.9
202425711101CLSM4   39  69.8 999.9 100  9.9  9.9 999 9999.9  30.19 99.9 99.9 99.9
202425711201CLSM4   39  69.8 999.9 100  8.9 11.1 999 9999.9  30.19 99.9 99.9 99.9
202425711301CLSM4   39  69.8 999.9 100  9.9 11.1 999 9999.9  30.19 99.9 99.9 99.9
202425711401CLSM4   39  69.6 999.9 100  9.9 12.1 999 9999.9  30.20 99.9 99.9 99.9
202425711501CLSM4   39  69.4 999.9 100  9.9 12.1 999 9999.9  30.20 99.9 99.9 99.9
202425712001CLSM4   39  69.4 999.9 100  9.9 12.1 999 9999.9  30.20 99.9 99.9 99.9
202425712101CLSM4   39  69.4 999.9 100  9.9 11.1 999 9999.9  30.20 99.9 99.9 99.9
202425712201CLSM4   39  69.4 999.9 100  8.9 11.1 999 9999.9  30.20 99.9 99.9 99.9
202425712301CLSM4   39  69.4 999.9 100  9.9 11.1 999 9999.9  30.20 99.9 99.9 99.9
202425712401CLSM4   39  69.4 999.9 100  8.0 11.1 999 9999.9  30.20 99.9 99.9 99.9
202425712501CLSM4   39  69.3 999.9 100  9.9 11.1 999 9999.9  30.20 99.9 99.9 99.9
202425713001CLSM4   39  69.3 999.9 100  8.9 11.1 999 9999.9  30.21 99.9 99.9 99.9
202425713101CLSM4   39  69.4 999.9 100  8.9  9.9 999 9999.9  30.21 99.9 99.9 99.9
202425713201CLSM4   39  69.1 999.9 100  8.9  9.9 999 9999.9  30.21 99.9 99.9 99.9
202425713301CLSM4   39  69.4 999.9 100  8.0  8.9 999 9999.9  30.22 99.9 99.9 99.9
202425713401CLSM4   39  69.3 999.9 100  8.0  9.9 999 9999.9  30.22 99.9 99.9 99.9
202425713501CLSM4   39  69.3 999.9 100  8.9  9.9 999 9999.9  30.22 99.9 99.9 99.9
202425714001CLSM4   39  69.3 999.9 100  8.0  9.9 999 9999.9  30.22 99.9 99.9 99.9
202425714101CLSM4   39  69.3 999.9 100  8.9  9.9 999 9999.9  30.22 99.9 99.9 99.9
202425714201CLSM4   39  69.3 999.9  90  8.9  9.9 999 9999.9  30.22 99.9 99.9 99.9
202425714301CLSM4   39  69.3 999.9  90  8.9  9.9 999 9999.9  30.22 99.9 99.9 99.9
202425714401CLSM4   39  69.4 999.9  90  8.0  9.9 999 9999.9  30.23 99.9 99.9 99.9
202425714501CLSM4   39  69.6 999.9  90  8.0  8.9 999 9999.9  30.23 99.9 99.9 99.9
202425715001CLSM4   39  69.4 999.9 100  8.0  8.9 999 9999.9  30.23 99.9 99.9 99.9
202425715101CLSM4   39  69.6 999.9 100  8.0  9.9 999 9999.9  30.23 99.9 99.9 99.9
202425715201CLSM4   39  69.6 999.9 100  8.9  9.9 999 9999.9  30.23 99.9 99.9 99.9
202425715301CLSM4   39  69.6 999.9 100  8.9  9.9 999 9999.9  30.23 99.9 99.9 99.9
202425715401CLSM4   39  69.8 999.9 100  8.0  9.9 999 9999.9  30.23 99.9 99.9 99.9
202425715501CLSM4   39  70.0 999.9  90  8.0  8.9 999 9999.9  30.22 99.9 99.9 99.9
202425716001CLSM4   39  70.0 999.9  80  8.9  8.9 999 9999.9  30.23 99.9 99.9 99.9
202425716101CLSM4   39  70.2 999.9  80  8.9  9.9 999 9999.9  30.22 99.9 99.9 99.9
202425716201CLSM4   39  70.3 999.9  70  8.9  8.9 999 9999.9  30.23 99.9 99.9 99.9
202425716301CLSM4   39  70.5 999.9  80  8.0  8.9 999 9999.9  30.22 99.9 99.9 99.9
202425716401CLSM4   39  70.7 999.9  80  7.0  8.9 999 9999.9  30.22 99.9 99.9 99.9
202425716501CLSM4   39  70.9 999.9  90  7.0  8.0 999 9999.9  30.22 99.9 99.9 99.9
202425717001CLSM4   39  71.1 999.9  90  7.0  8.0 999 9999.9  30.22 99.9 99.9 99.9
202425717101CLSM4   39  71.2 999.9  80  6.0  8.0 999 9999.9  30.21 99.9 99.9 99.9
202425717201CLSM4   39  71.4 999.9  80  5.1  7.0 999 9999.9  30.21 99.9 99.9 99.9
202425717301CLSM4   39  72.0 999.9  80  4.1  5.1 999 9999.9  30.21 99.9 99.9 99.9
202425717401CLSM4   39  72.1 999.9  80  2.9  4.1 999 9999.9  30.21 99.9 99.9 99.9
202425717501CLSM4   39  72.3 999.9  70  2.9  4.1 999 9999.9  30.21 99.9 99.9 99.9
202425718001CLSM4   39  72.5 999.9  40  2.9  2.9 999 9999.9  30.21 99.9 99.9 99.9
202425718101CLSM4   39  72.9 999.9  50  1.9  2.9 999 9999.9  30.20 99.9 99.9 99.9
202425718201CLSM4   39  72.7 999.9  30  2.9  4.1 999 9999.9  30.20 99.9 99.9 99.9
202425718301CLSM4   39  73.0 999.9  40  1.9  4.1 999 9999.9  30.20 99.9 99.9 99.9
202425718401CLSM4   39  73.2 999.9  30  1.9  2.9 999 9999.9  30.20 99.9 99.9 99.9
202425718501CLSM4   39  73.8 999.9  30  1.9  1.9 999 9999.9  30.19 99.9 99.9 99.9
202425719001CLSM4   39  73.8 999.9  50  1.9  2.9 999 9999.9  30.19 99.9 99.9 99.9
202425719101CLSM4   39  73.9 999.9  30  1.9  2.9 999 9999.9  30.19 99.9 99.9 99.9
202425719201CLSM4   39  74.1 999.9  50  1.9  2.9 999 9999.9  30.18 99.9 99.9 99.9
202425719301CLSM4   39  74.7 999.9  50  1.9  1.9 999 9999.9  30.18 99.9 99.9 99.9
202425719401CLSM4   39  74.8 999.9  50  1.9  2.9 999 9999.9  30.18 99.9 99.9 99.9
202425719501CLSM4   39  74.8 999.9  50  1.9  2.9 999 9999.9  30.17 99.9 99.9 99.9
202425720001CLSM4   39  74.7 999.9  40  2.9  2.9 999 9999.9  30.17 99.9 99.9 99.9
202425720101CLSM4   39  75.0 999.9  50  1.9  2.9 999 9999.9  30.17 99.9 99.9 99.9
202425720201CLSM4   39  75.0 999.9  40  2.9  2.9 999 9999.9  30.17 99.9 99.9 99.9
202425720301CLSM4   39  75.4 999.9  50  1.9  2.9 999 9999.9  30.16 99.9 99.9 99.9
202425720401CLSM4   39  75.9 999.9  50  1.9  1.9 999 9999.9  30.17 99.9 99.9 99.9
202425720501CLSM4   39  76.3 999.9  50  1.9  2.9 999 9999.9  30.17 99.9 99.9 99.9
202425721001CLSM4   39  75.9 999.9  70  1.9  2.9 999 9999.9  30.17 99.9 99.9 99.9
202425721101CLSM4   39  75.9 999.9  60  1.9  2.9 999 9999.9  30.17 99.9 99.9 99.9
202425721201CLSM4   39  76.1 999.9  60  1.9  2.9 999 9999.9  30.17 99.9 99.9 99.9
202425721301CLSM4   39  75.7 999.9  50  2.9  2.9 999 9999.9  30.16 99.9 99.9 99.9
202425721401CLSM4   39  76.1 999.9  80  2.9  4.1 999 9999.9  30.16 99.9 99.9 99.9
202425721501CLSM4   39  75.6 999.9 110  7.0  8.9 999 9999.9  30.16 99.9 99.9 99.9
202425722001CLSM4   39  75.0 999.9 110 11.1 12.1 999 9999.9  30.17 99.9 99.9 99.9
202425722101CLSM4   39  74.8 999.9 110 11.1 12.1 999 9999.9  30.17 99.9 99.9 99.9
202425722201CLSM4   39  74.5 999.9 110  9.9 12.1 999 9999.9  30.17 99.9 99.9 99.9
202425722301CLSM4   39  74.3 999.9 110 11.1 12.1 999 9999.9  30.18 99.9 99.9 99.9
202425722401CLSM4   39  73.9 999.9 110  9.9 12.1 999 9999.9  30.18 99.9 99.9 99.9
202425722501CLSM4   39  73.9 999.9 100  9.9 11.1 999 9999.9  30.18 99.9 99.9 99.9
202425723001CLSM4   39  73.8 999.9 100  8.9 11.1 999 9999.9  30.18 99.9 99.9 99.9
202425723101CLSM4   39  73.6 999.9 100  8.9 11.1 999 9999.9  30.18 99.9 99.9 99.9
202425723201CLSM4   39  73.4 999.9  90  8.0  9.9 999 9999.9  30.18 99.9 99.9 99.9
202425723301CLSM4   39  73.2 999.9  90  8.0  9.9 999 9999.9  30.18 99.9 99.9 99.9
202425723401CLSM4   39  73.2 999.9  90  7.0  8.9 999 9999.9  30.18 99.9 99.9 99.9
202425723501CLSM4   39  72.9 999.9  90  8.0  8.9 999 9999.9  30.19 99.9 99.9 99.9
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