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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: 0550 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 (343)
 (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 202434300001CLSM4 39 3.7 999.9 210 6.2 11.3 999 9999.9 1007.8 99.9 99.9 99.9 202434300101CLSM4 39 3.8 999.9 210 5.7 10.8 999 9999.9 1007.8 99.9 99.9 99.9 202434300201CLSM4 39 3.8 999.9 210 4.6 7.7 999 9999.9 1007.8 99.9 99.9 99.9 202434300301CLSM4 39 4.0 999.9 210 5.1 10.8 999 9999.9 1007.5 99.9 99.9 99.9 202434300401CLSM4 39 4.2 999.9 210 6.2 10.3 999 9999.9 1007.1 99.9 99.9 99.9 202434300501CLSM4 39 4.3 999.9 210 5.7 8.2 999 9999.9 1006.8 99.9 99.9 99.9 202434301001CLSM4 39 4.6 999.9 210 6.7 8.7 999 9999.9 1006.8 99.9 99.9 99.9 202434301101CLSM4 39 4.8 999.9 220 6.2 10.3 999 9999.9 1006.4 99.9 99.9 99.9 202434301201CLSM4 39 5.1 999.9 220 5.7 10.3 999 9999.9 1006.4 99.9 99.9 99.9 202434301301CLSM4 39 5.2 999.9 210 4.6 9.3 999 9999.9 1006.1 99.9 99.9 99.9 202434301401CLSM4 39 5.5 999.9 210 7.2 11.3 999 9999.9 1006.1 99.9 99.9 99.9 202434301501CLSM4 39 5.6 999.9 220 9.8 13.9 999 9999.9 1005.8 99.9 99.9 99.9 202434302001CLSM4 39 5.7 999.9 230 8.7 14.4 999 9999.9 1005.8 99.9 99.9 99.9 202434302101CLSM4 39 5.7 999.9 230 8.7 13.4 999 9999.9 1005.4 99.9 99.9 99.9 202434302201CLSM4 39 5.6 999.9 220 8.7 14.4 999 9999.9 1005.1 99.9 99.9 99.9 202434302301CLSM4 39 5.5 999.9 220 8.7 11.8 999 9999.9 1005.1 99.9 99.9 99.9 202434302401CLSM4 39 5.5 999.9 230 7.7 14.4 999 9999.9 1005.1 99.9 99.9 99.9 202434302501CLSM4 39 5.6 999.9 230 8.2 12.9 999 9999.9 1005.1 99.9 99.9 99.9 202434303001CLSM4 39 5.6 999.9 220 7.2 13.4 999 9999.9 1004.7 99.9 99.9 99.9 202434303101CLSM4 39 5.6 999.9 230 7.7 14.4 999 9999.9 1004.7 99.9 99.9 99.9 202434303201CLSM4 39 5.6 999.9 220 8.2 13.9 999 9999.9 1004.7 99.9 99.9 99.9 202434303301CLSM4 39 5.7 999.9 230 8.7 13.9 999 9999.9 1004.7 99.9 99.9 99.9 202434303401CLSM4 39 5.8 999.9 220 8.2 12.3 999 9999.9 1004.4 99.9 99.9 99.9 202434303501CLSM4 39 5.8 999.9 230 8.7 15.4 999 9999.9 1004.4 99.9 99.9 99.9 202434304001CLSM4 39 5.9 999.9 230 10.3 15.9 999 9999.9 1004.1 99.9 99.9 99.9 202434304101CLSM4 39 5.8 999.9 230 10.3 14.9 999 9999.9 1004.4 99.9 99.9 99.9 202434304201CLSM4 39 5.8 999.9 230 8.7 14.4 999 9999.9 1004.4 99.9 99.9 99.9 202434304301CLSM4 39 5.7 999.9 230 9.8 13.9 999 9999.9 1004.4 99.9 99.9 99.9 202434304401CLSM4 39 5.7 999.9 230 8.7 13.9 999 9999.9 1004.4 99.9 99.9 99.9 202434304501CLSM4 39 5.6 999.9 230 7.2 13.4 999 9999.9 1004.4 99.9 99.9 99.9 202434305001CLSM4 39 5.7 999.9 230 9.8 15.9 999 9999.9 1004.1 99.9 99.9 99.9
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