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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: 0746 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 (046)
 (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 202504600001CLSM4 39 19.0 999.9 170 4.1 8.9 999 9999.9 30.53 99.9 99.9 99.9 202504600101CLSM4 39 19.0 999.9 180 4.1 8.0 999 9999.9 30.53 99.9 99.9 99.9 202504600201CLSM4 39 19.0 999.9 180 6.0 8.0 999 9999.9 30.53 99.9 99.9 99.9 202504600301CLSM4 39 18.9 999.9 170 5.1 8.0 999 9999.9 30.52 99.9 99.9 99.9 202504600401CLSM4 39 18.9 999.9 170 5.1 8.0 999 9999.9 30.51 99.9 99.9 99.9 202504600501CLSM4 39 19.0 999.9 170 7.0 11.1 999 9999.9 30.51 99.9 99.9 99.9 202504601001CLSM4 39 19.0 999.9 170 5.1 9.9 999 9999.9 30.50 99.9 99.9 99.9 202504601101CLSM4 39 19.0 999.9 160 4.1 7.0 999 9999.9 30.50 99.9 99.9 99.9 202504601201CLSM4 39 19.2 999.9 160 2.9 7.0 999 9999.9 30.50 99.9 99.9 99.9 202504601301CLSM4 39 19.0 999.9 160 5.1 8.0 999 9999.9 30.49 99.9 99.9 99.9 202504601401CLSM4 39 19.2 999.9 150 6.0 8.0 999 9999.9 30.49 99.9 99.9 99.9 202504601501CLSM4 39 19.4 999.9 150 7.0 9.9 999 9999.9 30.48 99.9 99.9 99.9 202504602001CLSM4 39 19.4 999.9 170 5.1 8.9 999 9999.9 30.48 99.9 99.9 99.9 202504602101CLSM4 39 19.6 999.9 140 8.9 9.9 999 9999.9 30.45 99.9 99.9 99.9 202504602201CLSM4 39 19.6 999.9 130 8.9 11.1 999 9999.9 30.45 99.9 99.9 99.9 202504602301CLSM4 39 19.6 999.9 130 8.0 8.9 999 9999.9 30.45 99.9 99.9 99.9 202504602401CLSM4 39 19.6 999.9 130 8.9 9.9 999 9999.9 30.44 99.9 99.9 99.9 202504602501CLSM4 39 19.4 999.9 130 7.0 8.9 999 9999.9 30.45 99.9 99.9 99.9 202504603001CLSM4 39 19.2 999.9 140 7.0 8.0 999 9999.9 30.45 99.9 99.9 99.9 202504603101CLSM4 39 19.2 999.9 140 6.0 7.0 999 9999.9 30.45 99.9 99.9 99.9 202504603201CLSM4 39 19.2 999.9 130 6.0 7.0 999 9999.9 30.45 99.9 99.9 99.9 202504603301CLSM4 39 19.6 999.9 110 5.1 7.0 999 9999.9 30.43 99.9 99.9 99.9 202504603401CLSM4 39 19.8 999.9 100 6.0 7.0 999 9999.9 30.43 99.9 99.9 99.9 202504603501CLSM4 39 19.6 999.9 90 6.0 7.0 999 9999.9 30.42 99.9 99.9 99.9 202504604001CLSM4 39 19.4 999.9 80 5.1 6.0 999 9999.9 30.42 99.9 99.9 99.9 202504604101CLSM4 39 19.6 999.9 90 6.0 6.0 999 9999.9 30.41 99.9 99.9 99.9 202504604201CLSM4 39 19.8 999.9 90 6.0 7.0 999 9999.9 30.41 99.9 99.9 99.9 202504604301CLSM4 39 20.1 999.9 100 6.0 6.0 999 9999.9 30.41 99.9 99.9 99.9 202504604401CLSM4 39 20.3 999.9 100 6.0 6.0 999 9999.9 30.40 99.9 99.9 99.9 202504604501CLSM4 39 20.5 999.9 90 6.0 7.0 999 9999.9 30.39 99.9 99.9 99.9 202504605001CLSM4 39 20.7 999.9 90 6.0 7.0 999 9999.9 30.39 99.9 99.9 99.9 202504605101CLSM4 39 21.0 999.9 100 7.0 8.0 999 9999.9 30.38 99.9 99.9 99.9 202504605201CLSM4 39 21.4 999.9 100 7.0 8.0 999 9999.9 30.37 99.9 99.9 99.9 202504605301CLSM4 39 21.4 999.9 90 7.0 8.9 999 9999.9 30.37 99.9 99.9 99.9 202504605401CLSM4 39 21.6 999.9 100 7.0 8.0 999 9999.9 30.37 99.9 99.9 99.9 202504605501CLSM4 39 21.6 999.9 90 7.0 9.9 999 9999.9 30.36 99.9 99.9 99.9 202504606001CLSM4 39 21.6 999.9 90 6.0 8.9 999 9999.9 30.36 99.9 99.9 99.9 202504606101CLSM4 39 21.6 999.9 90 6.0 7.0 999 9999.9 30.35 99.9 99.9 99.9 202504606201CLSM4 39 21.7 999.9 110 7.0 7.0 999 9999.9 30.35 99.9 99.9 99.9 202504606301CLSM4 39 21.9 999.9 100 7.0 8.0 999 9999.9 30.34 99.9 99.9 99.9 202504606401CLSM4 39 22.1 999.9 110 7.0 8.0 999 9999.9 30.34 99.9 99.9 99.9 202504606501CLSM4 39 22.3 999.9 100 8.0 8.9 999 9999.9 30.32 99.9 99.9 99.9 202504607001CLSM4 39 22.3 999.9 90 8.9 9.9 999 9999.9 30.31 99.9 99.9 99.9
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