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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: 1225 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 (198)
 (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 202419800001CLSM4 39 29.9 999.9 220 3.6 5.1 999 9999.9 1008.5 99.9 99.9 99.9 202419800101CLSM4 39 30.0 999.9 220 3.6 5.1 999 9999.9 1008.5 99.9 99.9 99.9 202419800201CLSM4 39 29.9 999.9 200 3.1 4.6 999 9999.9 1008.1 99.9 99.9 99.9 202419800301CLSM4 39 29.7 999.9 180 3.6 5.7 999 9999.9 1008.1 99.9 99.9 99.9 202419800401CLSM4 39 29.3 999.9 190 2.6 5.1 999 9999.9 1007.8 99.9 99.9 99.9 202419800501CLSM4 39 29.1 999.9 200 2.6 4.1 999 9999.9 1008.1 99.9 99.9 99.9 202419801001CLSM4 39 28.7 999.9 180 2.6 5.1 999 9999.9 1007.8 99.9 99.9 99.9 202419801101CLSM4 39 28.3 999.9 180 3.1 4.1 999 9999.9 1007.8 99.9 99.9 99.9 202419801201CLSM4 39 28.0 999.9 190 3.6 5.1 999 9999.9 1008.1 99.9 99.9 99.9 202419801301CLSM4 39 27.8 999.9 200 2.6 3.6 999 9999.9 1008.5 99.9 99.9 99.9 202419801401CLSM4 39 27.8 999.9 200 2.6 3.6 999 9999.9 1008.8 99.9 99.9 99.9 202419801401CLSM4 39 27.8 999.9 200 2.6 8.2 999 9999.9 1008.8 99.9 99.9 99.9 202419801501CLSM4 39 27.7 999.9 200 2.6 3.6 999 9999.9 1008.8 99.9 99.9 99.9 202419802001CLSM4 39 27.7 999.9 190 2.1 3.1 999 9999.9 1008.8 99.9 99.9 99.9 202419802101CLSM4 39 27.4 999.9 200 2.1 3.1 999 9999.9 1008.8 99.9 99.9 99.9 202419802201CLSM4 39 27.2 999.9 160 2.1 2.6 999 9999.9 1008.5 99.9 99.9 99.9 202419802301CLSM4 39 26.8 999.9 170 2.1 3.1 999 9999.9 1008.8 99.9 99.9 99.9 202419802401CLSM4 39 26.7 999.9 170 2.6 3.6 999 9999.9 1008.5 99.9 99.9 99.9 202419802501CLSM4 39 26.5 999.9 170 2.6 4.1 999 9999.9 1008.5 99.9 99.9 99.9 202419803001CLSM4 39 26.3 999.9 180 2.6 4.1 999 9999.9 1008.1 99.9 99.9 99.9 202419803101CLSM4 39 26.2 999.9 170 2.6 3.6 999 9999.9 1008.1 99.9 99.9 99.9 202419803201CLSM4 39 25.9 999.9 170 2.6 3.6 999 9999.9 1007.8 99.9 99.9 99.9 202419803301CLSM4 39 25.7 999.9 180 2.6 4.1 999 9999.9 1007.8 99.9 99.9 99.9 202419803401CLSM4 39 25.5 999.9 180 3.1 4.6 999 9999.9 1007.8 99.9 99.9 99.9 202419803501CLSM4 39 25.4 999.9 180 3.1 4.1 999 9999.9 1007.8 99.9 99.9 99.9 202419804001CLSM4 39 25.4 999.9 180 3.1 4.1 999 9999.9 1007.8 99.9 99.9 99.9 202419804101CLSM4 39 25.3 999.9 200 3.1 3.6 999 9999.9 1008.1 99.9 99.9 99.9 202419804201CLSM4 39 25.4 999.9 190 3.1 4.1 999 9999.9 1008.1 99.9 99.9 99.9 202419804301CLSM4 39 25.5 999.9 200 2.6 4.6 999 9999.9 1008.5 99.9 99.9 99.9 202419804401CLSM4 39 25.6 999.9 190 2.1 4.1 999 9999.9 1008.1 99.9 99.9 99.9 202419804501CLSM4 39 25.5 999.9 180 2.1 3.6 999 9999.9 1007.8 99.9 99.9 99.9 202419805001CLSM4 39 25.5 999.9 200 1.5 3.1 999 9999.9 1008.1 99.9 99.9 99.9 202419805101CLSM4 39 25.6 999.9 180 2.6 3.6 999 9999.9 1007.8 99.9 99.9 99.9 202419805201CLSM4 39 25.5 999.9 200 2.1 4.1 999 9999.9 1007.8 99.9 99.9 99.9 202419805301CLSM4 39 25.5 999.9 200 1.5 3.1 999 9999.9 1007.5 99.9 99.9 99.9 202419805401CLSM4 39 25.6 999.9 210 1.5 2.6 999 9999.9 1007.5 99.9 99.9 99.9 202419805501CLSM4 39 25.6 999.9 200 2.1 2.6 999 9999.9 1007.5 99.9 99.9 99.9 202419806001CLSM4 39 25.6 999.9 160 1.5 2.6 999 9999.9 1007.1 99.9 99.9 99.9 202419806101CLSM4 39 25.5 999.9 180 2.1 2.6 999 9999.9 1007.1 99.9 99.9 99.9 202419806201CLSM4 39 25.6 999.9 170 2.1 3.1 999 9999.9 1006.4 99.9 99.9 99.9 202419806301CLSM4 39 25.6 999.9 160 2.1 2.6 999 9999.9 1006.1 99.9 99.9 99.9 202419806401CLSM4 39 25.1 999.9 140 3.1 3.6 999 9999.9 1005.8 99.9 99.9 99.9 202419806501CLSM4 39 25.0 999.9 160 2.6 3.6 999 9999.9 1005.8 99.9 99.9 99.9 202419807001CLSM4 39 25.0 999.9 160 3.1 4.6 999 9999.9 1005.4 99.9 99.9 99.9 202419807101CLSM4 39 25.1 999.9 200 2.6 5.1 999 9999.9 1005.8 99.9 99.9 99.9 202419807201CLSM4 39 24.4 999.9 200 8.7 15.4 999 9999.9 1006.8 99.9 99.9 99.9 202419807201CLSM4 39 24.4 999.9 200 8.7 99.9 999 9999.9 1006.1 99.9 99.9 99.9 202419807301CLSM4 39 22.0 999.9 290 2.6 11.3 999 9999.9 1006.1 99.9 99.9 99.9 202419807401CLSM4 39 22.3 999.9 260 3.1 5.7 999 9999.9 1005.8 99.9 99.9 99.9 202419807501CLSM4 39 22.4 999.9 310 2.1 3.6 999 9999.9 1005.1 99.9 99.9 99.9 202419808001CLSM4 39 22.4 999.9 20 1.5 3.1 999 9999.9 1004.7 99.9 99.9 99.9 202419808101CLSM4 39 21.9 999.9 130 2.6 3.1 999 9999.9 1004.7 99.9 99.9 99.9 202419808201CLSM4 39 22.4 999.9 170 1.5 2.6 999 9999.9 1005.1 99.9 99.9 99.9 202419808201CLSM4 39 22.4 999.9 170 1.5 3.6 999 9999.9 1005.1 99.9 99.9 99.9 202419808301CLSM4 39 22.4 999.9 130 4.6 6.2 999 9999.9 1004.4 99.9 99.9 99.9 202419808401CLSM4 39 22.4 999.9 110 5.1 6.2 999 9999.9 1004.1 99.9 99.9 99.9 202419808501CLSM4 39 22.3 999.9 100 5.7 6.2 999 9999.9 1003.7 99.9 99.9 99.9 202419809001CLSM4 39 22.7 999.9 130 4.1 5.7 999 9999.9 1004.1 99.9 99.9 99.9 202419809101CLSM4 39 23.0 999.9 140 3.6 5.1 999 9999.9 1004.4 99.9 99.9 99.9 202419809201CLSM4 39 23.6 999.9 140 4.1 4.1 999 9999.9 1004.1 99.9 99.9 99.9 202419809301CLSM4 39 24.0 999.9 130 5.1 5.7 999 9999.9 1003.7 99.9 99.9 99.9 202419809401CLSM4 39 24.2 999.9 130 6.7 7.7 999 9999.9 1003.4 99.9 99.9 99.9 202419809501CLSM4 39 23.8 999.9 140 7.7 9.3 999 9999.9 1003.0 99.9 99.9 99.9 202419810001CLSM4 39 23.7 999.9 210 6.2 9.3 999 9999.9 1003.0 99.9 99.9 99.9 202419810101CLSM4 39 23.5 999.9 220 8.2 11.8 999 9999.9 1003.4 99.9 99.9 99.9 202419810201CLSM4 39 23.2 999.9 220 6.7 10.8 999 9999.9 1003.7 99.9 99.9 99.9 202419810301CLSM4 39 22.8 999.9 250 5.1 9.8 999 9999.9 1003.7 99.9 99.9 99.9 202419810401CLSM4 39 22.6 999.9 280 7.2 9.3 999 9999.9 1004.1 99.9 99.9 99.9 202419810401CLSM4 39 22.6 999.9 280 7.2 11.8 999 9999.9 1004.1 99.9 99.9 99.9 202419810501CLSM4 39 21.5 999.9 280 6.2 9.3 999 9999.9 1004.1 99.9 99.9 99.9 202419811001CLSM4 39 21.3 999.9 290 4.6 9.3 999 9999.9 1004.1 99.9 99.9 99.9 202419811101CLSM4 39 21.1 999.9 280 6.2 8.2 999 9999.9 1004.1 99.9 99.9 99.9 202419811201CLSM4 39 20.9 999.9 300 5.1 8.2 999 9999.9 1004.7 99.9 99.9 99.9 202419811301CLSM4 39 20.8 999.9 290 5.7 8.7 999 9999.9 1005.4 99.9 99.9 99.9 202419811401CLSM4 39 20.4 999.9 300 4.6 9.8 999 9999.9 1005.8 99.9 99.9 99.9 202419811501CLSM4 39 20.4 999.9 300 4.6 7.2 999 9999.9 1005.8 99.9 99.9 99.9 202419812001CLSM4 39 20.6 999.9 280 4.6 6.7 999 9999.9 1006.4 99.9 99.9 99.9
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  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
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  [every 2nd value plotted]
77 matching elements
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This Web page created and maintained by Greg Lang, NOAA/GLERL,
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