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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: 0948 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 (254)
 (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
202425400001CLSM4   39  24.4 999.9 290  2.1  4.1 999 9999.9 1017.6 99.9 99.9 99.9             
202425400101CLSM4   39  24.3 999.9 290  2.1  4.1 999 9999.9 1017.6 99.9 99.9 99.9             
202425400201CLSM4   39  24.1 999.9 310  1.0  2.6 999 9999.9 1017.9 99.9 99.9 99.9             
202425400301CLSM4   39  23.4 999.9  30  5.1  7.2 999 9999.9 1017.9 99.9 99.9 99.9             
202425400401CLSM4   39  20.1 999.9  40  9.8 11.3 999 9999.9 1018.3 99.9 99.9 99.9             
202425400501CLSM4   39  19.8 999.9  30  8.7  9.8 999 9999.9 1018.3 99.9 99.9 99.9             
202425401001CLSM4   39  19.7 999.9  30  8.2  9.8 999 9999.9 1018.6 99.9 99.9 99.9             
202425401101CLSM4   39  19.6 999.9  30  6.7  8.2 999 9999.9 1018.6 99.9 99.9 99.9             
202425401201CLSM4   39  19.6 999.9  30  6.2  7.7 999 9999.9 1019.0 99.9 99.9 99.9             
202425401301CLSM4   39  19.4 999.9  20  6.7  7.7 999 9999.9 1019.3 99.9 99.9 99.9             
202425401401CLSM4   39  19.2 999.9  30  5.7  7.7 999 9999.9 1019.3 99.9 99.9 99.9             
202425401501CLSM4   39  19.2 999.9  30  5.1  6.2 999 9999.9 1019.6 99.9 99.9 99.9             
202425402001CLSM4   39  19.1 999.9  20  5.1  6.2 999 9999.9 1019.6 99.9 99.9 99.9             
202425402101CLSM4   39  19.0 999.9  20  5.1  6.2 999 9999.9 1019.6 99.9 99.9 99.9             
202425402201CLSM4   39  19.0 999.9  20  3.1  5.7 999 9999.9 1019.6 99.9 99.9 99.9             
202425402301CLSM4   39  18.9 999.9  10  4.1  4.6 999 9999.9 1019.6 99.9 99.9 99.9             
202425402401CLSM4   39  18.8 999.9  20  3.6  4.1 999 9999.9 1020.0 99.9 99.9 99.9             
202425402501CLSM4   39  18.8 999.9  10  3.1  4.1 999 9999.9 1020.0 99.9 99.9 99.9             
202425403001CLSM4   39  18.7 999.9  40  2.6  3.1 999 9999.9 1020.0 99.9 99.9 99.9             
202425403101CLSM4   39  18.7 999.9  10  2.6  3.1 999 9999.9 1020.3 99.9 99.9 99.9             
202425403201CLSM4   39  18.6 999.9  20  2.1  3.1 999 9999.9 1020.3 99.9 99.9 99.9             
202425403301CLSM4   39  18.6 999.9  30  2.1  3.1 999 9999.9 1020.3 99.9 99.9 99.9             
202425403401CLSM4   39  18.3 999.9   0  0.0  2.1 999 9999.9 1020.3 99.9 99.9 99.9             
202425403501CLSM4   39  18.1 999.9 340  0.5  1.5 999 9999.9 1020.3 99.9 99.9 99.9             
202425404001CLSM4   39  18.1 999.9   0  0.0  1.5 999 9999.9 1020.3 99.9 99.9 99.9             
202425404101CLSM4   39  17.9 999.9 350  1.0  1.5 999 9999.9 1020.3 99.9 99.9 99.9             
202425404201CLSM4   39  18.2 999.9 350  1.5  2.6 999 9999.9 1020.3 99.9 99.9 99.9             
202425404301CLSM4   39  17.9 999.9 340  1.5  2.1 999 9999.9 1020.3 99.9 99.9 99.9             
202425404401CLSM4   39  17.8 999.9 340  1.0  2.1 999 9999.9 1020.7 99.9 99.9 99.9             
202425404501CLSM4   39  17.8 999.9 350  2.6  3.1 999 9999.9 1020.7 99.9 99.9 99.9             
202425405001CLSM4   39  18.0 999.9 350  2.1  3.1 999 9999.9 1020.7 99.9 99.9 99.9             
202425405101CLSM4   39  17.7 999.9 330  0.5  2.6 999 9999.9 1020.7 99.9 99.9 99.9             
202425405201CLSM4   39  17.4 999.9   0  0.0  1.5 999 9999.9 1020.7 99.9 99.9 99.9             
202425405301CLSM4   39  17.3 999.9 330  1.0  2.1 999 9999.9 1020.7 99.9 99.9 99.9             
202425405401CLSM4   39  17.2 999.9 350  1.5  2.6 999 9999.9 1020.7 99.9 99.9 99.9             
202425405501CLSM4   39  17.4 999.9 350  2.1  2.6 999 9999.9 1020.7 99.9 99.9 99.9             
202425406001CLSM4   39  17.4 999.9 340  1.0  2.1 999 9999.9 1020.7 99.9 99.9 99.9             
202425406101CLSM4   39  17.1 999.9   0  0.0  1.5 999 9999.9 1020.7 99.9 99.9 99.9             
202425406201CLSM4   39  16.9 999.9 350  1.5  2.1 999 9999.9 1020.7 99.9 99.9 99.9             
202425406301CLSM4   39  16.9 999.9 340  1.0  2.1 999 9999.9 1021.0 99.9 99.9 99.9             
202425406401CLSM4   39  16.7 999.9 310  0.5  1.0 999 9999.9 1021.0 99.9 99.9 99.9             
202425406501CLSM4   39  16.6 999.9   0  0.0  1.0 999 9999.9 1021.0 99.9 99.9 99.9             
202425407001CLSM4   39  16.3 999.9 280  1.0  1.0 999 9999.9 1020.7 99.9 99.9 99.9             
202425407101CLSM4   39  16.2 999.9 300  1.0  1.0 999 9999.9 1021.0 99.9 99.9 99.9             
202425407201CLSM4   39  16.1 999.9 290  1.0  1.5 999 9999.9 1021.0 99.9 99.9 99.9             
202425407301CLSM4   39  16.0 999.9 350  1.0  2.1 999 9999.9 1020.7 99.9 99.9 99.9             
202425407401CLSM4   39  16.2 999.9 300  0.5  2.1 999 9999.9 1020.7 99.9 99.9 99.9             
202425407501CLSM4   39  15.9 999.9 290  0.5  1.0 999 9999.9 1021.0 99.9 99.9 99.9             
202425408001CLSM4   39  15.7 999.9 260  1.0  1.0 999 9999.9 1021.0 99.9 99.9 99.9             
202425408101CLSM4   39  15.7 999.9 290  1.0  1.0 999 9999.9 1021.0 99.9 99.9 99.9             
202425408201CLSM4   39  15.7 999.9   0  0.0  1.5 999 9999.9 1021.0 99.9 99.9 99.9             
202425408301CLSM4   39  15.8 999.9   0  0.0  1.0 999 9999.9 1020.7 99.9 99.9 99.9             
202425408401CLSM4   39  15.8 999.9   0  0.0  1.0 999 9999.9 1020.7 99.9 99.9 99.9             
202425408501CLSM4   39  15.5 999.9   0  0.0  1.0 999 9999.9 1020.7 99.9 99.9 99.9             
202425409001CLSM4   39  15.5 999.9 340  1.0  1.5 999 9999.9 1020.7 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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