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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: 0758 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 (109)
 (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 202510900001CLSM4 39 79.2 999.9 220 19.0 27.0 999 9999.9 29.75 99.9 99.9 99.9 202510900101CLSM4 39 78.4 999.9 230 12.1 23.9 999 9999.9 29.76 99.9 99.9 99.9 202510900201CLSM4 39 78.3 999.9 230 12.1 20.0 999 9999.9 29.76 99.9 99.9 99.9 202510900201CLSM4 39 78.3 999.9 230 12.1 99.9 999 9999.9 29.76 99.9 99.9 99.9 202510900301CLSM4 39 78.4 999.9 230 9.9 21.0 999 9999.9 29.77 99.9 99.9 99.9 202510900401CLSM4 39 77.9 999.9 220 9.9 16.9 999 9999.9 29.77 99.9 99.9 99.9 202510900501CLSM4 39 77.4 999.9 220 9.9 19.0 999 9999.9 29.78 99.9 99.9 99.9 202510901001CLSM4 39 77.5 999.9 230 8.0 18.1 999 9999.9 29.78 99.9 99.9 99.9 202510901101CLSM4 39 77.4 999.9 300 6.0 11.1 999 9999.9 29.79 99.9 99.9 99.9 202510901201CLSM4 39 73.6 999.9 350 6.0 7.0 999 9999.9 29.79 99.9 99.9 99.9 202510901301CLSM4 39 69.8 999.9 350 4.1 8.0 999 9999.9 29.79 99.9 99.9 99.9 202510901401CLSM4 39 63.7 999.9 70 7.0 8.9 999 9999.9 29.77 99.9 99.9 99.9 202510901401CLSM4 39 63.7 999.9 70 7.0 19.0 999 9999.9 29.77 99.9 99.9 99.9 202510901501CLSM4 39 64.2 999.9 80 6.0 8.9 999 9999.9 29.77 99.9 99.9 99.9 202510902001CLSM4 39 61.5 999.9 120 7.0 8.0 999 9999.9 29.78 99.9 99.9 99.9 202510902101CLSM4 39 61.9 999.9 100 5.1 7.0 999 9999.9 29.77 99.9 99.9 99.9 202510902201CLSM4 39 64.2 999.9 100 9.9 11.1 999 9999.9 29.73 99.9 99.9 99.9 202510902301CLSM4 39 61.5 999.9 160 7.0 15.9 999 9999.9 29.73 99.9 99.9 99.9 202510902401CLSM4 39 66.4 999.9 180 7.0 12.1 999 9999.9 29.74 99.9 99.9 99.9 202510902401CLSM4 39 66.4 999.9 180 7.0 15.9 999 9999.9 29.74 99.9 99.9 99.9 202510902501CLSM4 39 69.8 999.9 210 8.0 13.0 999 9999.9 29.75 99.9 99.9 99.9 202510903001CLSM4 39 71.4 999.9 210 8.9 14.0 999 9999.9 29.75 99.9 99.9 99.9 202510903101CLSM4 39 72.1 999.9 230 9.9 15.9 999 9999.9 29.77 99.9 99.9 99.9 202510903201CLSM4 39 72.3 999.9 230 8.9 15.0 999 9999.9 29.79 99.9 99.9 99.9 202510903301CLSM4 39 72.9 999.9 230 9.9 15.9 999 9999.9 29.80 99.9 99.9 99.9 202510903401CLSM4 39 72.9 999.9 230 9.9 16.9 999 9999.9 29.80 99.9 99.9 99.9 202510903501CLSM4 39 73.2 999.9 230 16.9 23.9 999 9999.9 29.80 99.9 99.9 99.9 202510904001CLSM4 39 73.0 999.9 230 9.9 23.9 999 9999.9 29.80 99.9 99.9 99.9 202510904101CLSM4 39 72.9 999.9 230 14.0 22.0 999 9999.9 29.79 99.9 99.9 99.9 202510904171CLSM4 39 72.7 999.9 230 16.9 25.1 999 9999.9 29.79 99.9 99.9 99.9 202510904201CLSM4 39 72.7 999.9 240 16.9 26.0 999 9999.9 29.79 99.9 99.9 99.9 202510904301CLSM4 39 72.0 999.9 220 11.1 21.0 999 9999.9 29.79 99.9 99.9 99.9 202510904401CLSM4 39 71.8 999.9 230 14.0 21.0 999 9999.9 29.78 99.9 99.9 99.9 202510904401CLSM4 39 71.8 999.9 230 14.0 99.9 999 9999.9 29.78 99.9 99.9 99.9 202510904501CLSM4 39 71.1 999.9 230 11.1 19.0 999 9999.9 29.79 99.9 99.9 99.9 202510905001CLSM4 39 70.9 999.9 230 14.0 18.1 999 9999.9 29.79 99.9 99.9 99.9 202510905101CLSM4 39 70.7 999.9 220 13.0 18.1 999 9999.9 29.78 99.9 99.9 99.9 202510905201CLSM4 39 70.3 999.9 220 12.1 18.1 999 9999.9 29.79 99.9 99.9 99.9 202510905301CLSM4 39 70.3 999.9 230 8.9 21.0 999 9999.9 29.78 99.9 99.9 99.9 202510905401CLSM4 39 70.0 999.9 220 12.1 18.1 999 9999.9 29.79 99.9 99.9 99.9 202510905501CLSM4 39 70.2 999.9 230 15.0 22.0 999 9999.9 29.79 99.9 99.9 99.9 202510906001CLSM4 39 70.2 999.9 220 9.9 22.9 999 9999.9 29.78 99.9 99.9 99.9 202510906101CLSM4 39 69.8 999.9 230 11.1 15.9 999 9999.9 29.78 99.9 99.9 99.9 202510906201CLSM4 39 70.0 999.9 220 12.1 20.0 999 9999.9 29.78 99.9 99.9 99.9 202510906301CLSM4 39 69.8 999.9 230 12.1 19.0 999 9999.9 29.78 99.9 99.9 99.9 202510906401CLSM4 39 69.6 999.9 230 11.1 16.9 999 9999.9 29.78 99.9 99.9 99.9 202510906501CLSM4 39 69.6 999.9 230 9.9 22.0 999 9999.9 29.77 99.9 99.9 99.9 202510907001CLSM4 39 69.8 999.9 230 8.9 16.9 999 9999.9 29.77 99.9 99.9 99.9
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