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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: 1528 GMT
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 (257)
 (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
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