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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: 0508 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 (203)
 (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 202420300001CLSM4 39 76.6 999.9 130 4.1 6.0 999 9999.9 30.08 99.9 99.9 99.9 202420300101CLSM4 39 76.8 999.9 130 2.9 4.1 999 9999.9 30.08 99.9 99.9 99.9 202420300201CLSM4 39 76.5 999.9 130 4.1 4.1 999 9999.9 30.08 99.9 99.9 99.9 202420300301CLSM4 39 76.3 999.9 120 4.1 4.1 999 9999.9 30.08 99.9 99.9 99.9 202420300401CLSM4 39 76.1 999.9 130 4.1 4.1 999 9999.9 30.08 99.9 99.9 99.9 202420300501CLSM4 39 75.9 999.9 140 4.1 5.1 999 9999.9 30.08 99.9 99.9 99.9 202420301001CLSM4 39 75.9 999.9 130 4.1 5.1 999 9999.9 30.08 99.9 99.9 99.9 202420301101CLSM4 39 75.9 999.9 130 2.9 4.1 999 9999.9 30.09 99.9 99.9 99.9 202420301201CLSM4 39 75.7 999.9 160 2.9 4.1 999 9999.9 30.09 99.9 99.9 99.9 202420301301CLSM4 39 75.0 999.9 160 2.9 4.1 999 9999.9 30.09 99.9 99.9 99.9 202420301401CLSM4 39 74.7 999.9 150 1.9 2.9 999 9999.9 30.09 99.9 99.9 99.9 202420301501CLSM4 39 74.3 999.9 170 2.9 4.1 999 9999.9 30.09 99.9 99.9 99.9 202420302001CLSM4 39 74.3 999.9 170 1.9 4.1 999 9999.9 30.10 99.9 99.9 99.9 202420302101CLSM4 39 74.3 999.9 190 1.9 2.9 999 9999.9 30.10 99.9 99.9 99.9 202420302201CLSM4 39 74.1 999.9 190 1.0 2.9 999 9999.9 30.10 99.9 99.9 99.9 202420302301CLSM4 39 73.9 999.9 0 0.0 1.0 999 9999.9 30.10 99.9 99.9 99.9 202420302401CLSM4 39 73.8 999.9 230 1.0 1.0 999 9999.9 30.10 99.9 99.9 99.9 202420302501CLSM4 39 73.6 999.9 250 1.0 1.9 999 9999.9 30.10 99.9 99.9 99.9 202420303001CLSM4 39 73.2 999.9 0 0.0 1.9 999 9999.9 30.10 99.9 99.9 99.9 202420303101CLSM4 39 72.9 999.9 230 1.0 1.9 999 9999.9 30.10 99.9 99.9 99.9 202420303201CLSM4 39 72.7 999.9 220 1.9 1.9 999 9999.9 30.10 99.9 99.9 99.9 202420303301CLSM4 39 72.3 999.9 240 2.9 4.1 999 9999.9 30.10 99.9 99.9 99.9 202420303401CLSM4 39 72.3 999.9 250 2.9 4.1 999 9999.9 30.10 99.9 99.9 99.9 202420303501CLSM4 39 72.1 999.9 250 2.9 4.1 999 9999.9 30.10 99.9 99.9 99.9 202420304001CLSM4 39 72.1 999.9 250 2.9 4.1 999 9999.9 30.10 99.9 99.9 99.9
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