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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: 0809 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 (186)
 (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 202518600001CLSM4 39 76.3 999.9 120 5.1 5.1 999 9999.9 30.08 99.9 99.9 99.9 202518600101CLSM4 39 76.3 999.9 110 6.0 6.0 999 9999.9 30.08 99.9 99.9 99.9 202518600201CLSM4 39 76.3 999.9 110 4.1 6.0 999 9999.9 30.08 99.9 99.9 99.9 202518600301CLSM4 39 76.6 999.9 140 7.0 8.9 999 9999.9 30.08 99.9 99.9 99.9 202518600401CLSM4 39 77.2 999.9 130 11.1 13.0 999 9999.9 30.08 99.9 99.9 99.9 202518600501CLSM4 39 77.2 999.9 130 9.9 13.0 999 9999.9 30.08 99.9 99.9 99.9 202518601001CLSM4 39 77.0 999.9 140 11.1 12.1 999 9999.9 30.08 99.9 99.9 99.9 202518601101CLSM4 39 77.0 999.9 150 9.9 13.0 999 9999.9 30.08 99.9 99.9 99.9 202518601201CLSM4 39 77.0 999.9 150 8.0 12.1 999 9999.9 30.08 99.9 99.9 99.9 202518601301CLSM4 39 76.8 999.9 150 9.9 12.1 999 9999.9 30.08 99.9 99.9 99.9 202518601401CLSM4 39 76.6 999.9 150 8.0 11.1 999 9999.9 30.09 99.9 99.9 99.9 202518601501CLSM4 39 76.6 999.9 150 7.0 8.9 999 9999.9 30.09 99.9 99.9 99.9 202518602001CLSM4 39 76.5 999.9 150 6.0 8.9 999 9999.9 30.10 99.9 99.9 99.9 202518602101CLSM4 39 76.3 999.9 140 7.0 8.0 999 9999.9 30.10 99.9 99.9 99.9 202518602201CLSM4 39 76.3 999.9 150 7.0 8.9 999 9999.9 30.10 99.9 99.9 99.9 202518602301CLSM4 39 76.1 999.9 140 8.9 9.9 999 9999.9 30.10 99.9 99.9 99.9 202518602401CLSM4 39 75.9 999.9 150 8.9 9.9 999 9999.9 30.10 99.9 99.9 99.9 202518602501CLSM4 39 75.9 999.9 150 8.9 9.9 999 9999.9 30.10 99.9 99.9 99.9 202518603001CLSM4 39 75.7 999.9 160 7.0 9.9 999 9999.9 30.10 99.9 99.9 99.9 202518603101CLSM4 39 75.6 999.9 160 5.1 8.0 999 9999.9 30.11 99.9 99.9 99.9 202518603301CLSM4 39 75.2 999.9 170 4.1 6.0 999 9999.9 30.10 99.9 99.9 99.9 202518603401CLSM4 39 75.0 999.9 170 4.1 7.0 999 9999.9 30.10 99.9 99.9 99.9 202518603501CLSM4 39 75.0 999.9 180 4.1 6.0 999 9999.9 30.10 99.9 99.9 99.9 202518604001CLSM4 39 75.0 999.9 180 4.1 6.0 999 9999.9 30.09 99.9 99.9 99.9 202518604101CLSM4 39 74.8 999.9 200 2.9 5.1 999 9999.9 30.10 99.9 99.9 99.9 202518604201CLSM4 39 74.5 999.9 200 2.9 5.1 999 9999.9 30.10 99.9 99.9 99.9 202518604301CLSM4 39 74.3 999.9 0 0.0 2.9 999 9999.9 30.10 99.9 99.9 99.9 202518604401CLSM4 39 74.1 999.9 210 2.9 4.1 999 9999.9 30.10 99.9 99.9 99.9 202518604501CLSM4 39 74.1 999.9 180 1.9 2.9 999 9999.9 30.10 99.9 99.9 99.9 202518605001CLSM4 39 73.9 999.9 190 2.9 4.1 999 9999.9 30.11 99.9 99.9 99.9 202518605101CLSM4 39 73.9 999.9 180 1.9 6.0 999 9999.9 30.10 99.9 99.9 99.9 202518605201CLSM4 39 73.9 999.9 190 1.9 5.1 999 9999.9 30.11 99.9 99.9 99.9 202518605301CLSM4 39 73.8 999.9 0 0.0 2.9 999 9999.9 30.11 99.9 99.9 99.9 202518605401CLSM4 39 73.8 999.9 0 0.0 1.9 999 9999.9 30.11 99.9 99.9 99.9 202518605501CLSM4 39 73.8 999.9 0 0.0 0.0 999 9999.9 30.10 99.9 99.9 99.9 202518606001CLSM4 39 73.8 999.9 200 1.9 2.9 999 9999.9 30.10 99.9 99.9 99.9 202518606101CLSM4 39 73.6 999.9 210 1.9 4.1 999 9999.9 30.10 99.9 99.9 99.9 202518606201CLSM4 39 73.4 999.9 220 1.9 2.9 999 9999.9 30.11 99.9 99.9 99.9 202518606301CLSM4 39 73.2 999.9 220 1.9 2.9 999 9999.9 30.10 99.9 99.9 99.9 202518606401CLSM4 39 73.2 999.9 220 1.0 2.9 999 9999.9 30.10 99.9 99.9 99.9 202518606501CLSM4 39 73.0 999.9 0 0.0 1.9 999 9999.9 30.10 99.9 99.9 99.9 202518607001CLSM4 39 72.9 999.9 180 1.9 4.1 999 9999.9 30.10 99.9 99.9 99.9
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