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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: 0755 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 (120)
 (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
202512000001CLSM4   39  19.5 999.9 310  7.2 11.3 999 9999.9 1013.9 99.9 99.9 99.9             
202512000101CLSM4   39  19.2 999.9 300  5.1 11.3 999 9999.9 1013.9 99.9 99.9 99.9             
202512000201CLSM4   39  18.6 999.9 310  5.1  8.7 999 9999.9 1014.2 99.9 99.9 99.9             
202512000301CLSM4   39  18.1 999.9 310  6.7 11.8 999 9999.9 1014.9 99.9 99.9 99.9             
202512000401CLSM4   39  17.8 999.9 300  8.2 10.8 999 9999.9 1015.2 99.9 99.9 99.9             
202512000431CLSM4   39  17.8 999.9 300  6.7 10.8 999 9999.9 1015.2 99.9 99.9 99.9             
202512000501CLSM4   39  17.4 999.9 320  5.7 12.3 999 9999.9 1015.6 99.9 99.9 99.9             
202512001001CLSM4   39  17.0 999.9 300  5.7  9.8 999 9999.9 1015.9 99.9 99.9 99.9             
202512001101CLSM4   39  16.3 999.9 310  8.2 10.8 999 9999.9 1015.9 99.9 99.9 99.9             
202512001201CLSM4   39  15.8 999.9 310  4.6 10.3 999 9999.9 1016.3 99.9 99.9 99.9             
202512001301CLSM4   39  15.2 999.9 330  6.2  9.8 999 9999.9 1016.9 99.9 99.9 99.9             
202512001401CLSM4   39  14.9 999.9 320  5.7  8.2 999 9999.9 1016.9 99.9 99.9 99.9             
202512001501CLSM4   39  14.7 999.9 320  5.1  7.7 999 9999.9 1016.9 99.9 99.9 99.9             
202512002001CLSM4   39  14.3 999.9 340  6.2  9.3 999 9999.9 1017.3 99.9 99.9 99.9             
202512002101CLSM4   39  13.6 999.9 340  7.2 12.3 999 9999.9 1017.3 99.9 99.9 99.9             
202512002201CLSM4   39  13.3 999.9 330  6.7 12.3 999 9999.9 1017.6 99.9 99.9 99.9             
202512002301CLSM4   39  12.9 999.9 330  5.7 11.3 999 9999.9 1017.9 99.9 99.9 99.9             
202512002401CLSM4   39  12.6 999.9 330  5.1  9.8 999 9999.9 1018.3 99.9 99.9 99.9             
202512002401CLSM4   39  12.6 999.9 330  5.1 12.3 999 9999.9 1018.3 99.9 99.9 99.9             
202512002501CLSM4   39  12.3 999.9 330  4.1  9.3 999 9999.9 1018.6 99.9 99.9 99.9             
202512003001CLSM4   39  12.0 999.9 330  5.1  8.2 999 9999.9 1018.6 99.9 99.9 99.9             
202512003101CLSM4   39  11.6 999.9 330  5.7  9.3 999 9999.9 1019.0 99.9 99.9 99.9             
202512003201CLSM4   39  11.5 999.9 320  3.1  7.7 999 9999.9 1019.0 99.9 99.9 99.9             
202512003301CLSM4   39  11.2 999.9 320  4.6  7.2 999 9999.9 1019.3 99.9 99.9 99.9             
202512003401CLSM4   39  11.2 999.9 320  3.6  6.7 999 9999.9 1019.6 99.9 99.9 99.9             
202512003501CLSM4   39  11.0 999.9 330  5.1  6.7 999 9999.9 1019.6 99.9 99.9 99.9             
202512004001CLSM4   39  11.0 999.9 330  4.6  8.7 999 9999.9 1019.6 99.9 99.9 99.9             
202512004101CLSM4   39  10.8 999.9 340  4.6  7.7 999 9999.9 1019.6 99.9 99.9 99.9             
202512004201CLSM4   39  10.6 999.9 340  6.2  8.2 999 9999.9 1020.0 99.9 99.9 99.9             
202512004301CLSM4   39  10.5 999.9 340  6.2  8.7 999 9999.9 1020.0 99.9 99.9 99.9             
202512004401CLSM4   39  10.4 999.9 340  5.1  9.3 999 9999.9 1020.0 99.9 99.9 99.9             
202512004501CLSM4   39  10.1 999.9 330  4.6  7.7 999 9999.9 1020.0 99.9 99.9 99.9             
202512005001CLSM4   39  10.0 999.9 340  4.1  6.7 999 9999.9 1020.0 99.9 99.9 99.9             
202512005101CLSM4   39   9.9 999.9 340  4.6  6.2 999 9999.9 1020.3 99.9 99.9 99.9             
202512005201CLSM4   39   9.7 999.9 350  5.7  7.2 999 9999.9 1020.7 99.9 99.9 99.9             
202512005301CLSM4   39   9.4 999.9 350  4.6  6.7 999 9999.9 1020.7 99.9 99.9 99.9             
202512005401CLSM4   39   9.2 999.9 340  4.6  6.7 999 9999.9 1020.7 99.9 99.9 99.9             
202512005501CLSM4   39   9.0 999.9 340  3.6  6.7 999 9999.9 1020.7 99.9 99.9 99.9             
202512006001CLSM4   39   8.9 999.9 340  3.6  6.2 999 9999.9 1020.7 99.9 99.9 99.9             
202512006101CLSM4   39   8.9 999.9 350  5.7  7.2 999 9999.9 1021.0 99.9 99.9 99.9             
202512006201CLSM4   39   8.6 999.9 340  5.1  7.7 999 9999.9 1021.0 99.9 99.9 99.9             
202512006301CLSM4   39   8.4 999.9 340  4.1  6.7 999 9999.9 1021.0 99.9 99.9 99.9             
202512006401CLSM4   39   8.2 999.9 340  5.1  7.2 999 9999.9 1021.3 99.9 99.9 99.9             
202512006501CLSM4   39   8.0 999.9 340  4.6  7.2 999 9999.9 1021.3 99.9 99.9 99.9             
202512007001CLSM4   39   7.8 999.9 340  5.1  5.7 999 9999.9 1021.3 99.9 99.9 99.9
  New Graph (click on parameter):                                      
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This Web page created and maintained by Greg Lang, NOAA/GLERL,
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