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Realtime Great Lakes Weather Data and Marine Observations


SWPM4: NOS S.W. Pier MI                                  
CMAN Station
Lat: 46.50°, Lon: -84.37°
Elevation: 186 m
Anemometer Height: 9 m
Related Site: NDBC


Current Time: 0501 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 (281)
 (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 202428100001SWPM4 09 11.9 999.9 280 11.3 13.9 999 9999.9 1008.8 17.4 99.9 99.9 202428100061SWPM4 09 999.9 999.9 280 11.8 14.9 999 9999.9 1008.9 17.4 99.9 99.9 202428100121SWPM4 09 999.9 999.9 270 11.8 15.9 999 9999.9 1009.0 17.4 99.9 99.9 202428100181SWPM4 09 999.9 999.9 280 12.9 15.9 999 9999.9 1009.2 17.4 99.9 99.9 202428100241SWPM4 09 999.9 999.9 290 10.3 14.9 999 9999.9 1009.3 17.3 99.9 99.9 202428100301SWPM4 09 999.9 999.9 290 11.3 13.4 999 9999.9 1009.4 17.3 99.9 99.9 202428100361SWPM4 09 999.9 999.9 300 10.3 14.9 999 9999.9 1009.6 17.3 99.9 99.9 202428100421SWPM4 09 999.9 999.9 300 10.3 14.9 999 9999.9 1009.5 17.2 99.9 99.9 202428100481SWPM4 09 999.9 999.9 290 9.3 11.8 999 9999.9 1009.5 17.2 99.9 99.9 202428100541SWPM4 09 10.2 999.9 290 10.8 13.4 999 9999.9 1009.5 17.2 99.9 99.9 202428101001SWPM4 09 10.1 999.9 290 9.8 12.3 999 9999.9 1009.6 17.2 99.9 99.9 202428101061SWPM4 09 9.9 999.9 300 9.8 12.9 999 9999.9 1009.7 17.2 99.9 99.9 202428101121SWPM4 09 10.6 999.9 290 9.3 14.9 999 9999.9 1009.7 17.2 99.9 99.9 202428101181SWPM4 09 10.9 999.9 290 11.3 12.9 999 9999.9 1009.7 17.2 99.9 99.9 202428101241SWPM4 09 999.9 999.9 290 10.3 12.3 999 9999.9 1009.8 17.2 99.9 99.9 202428101301SWPM4 09 999.9 999.9 290 10.8 13.4 999 9999.9 1009.9 17.2 99.9 99.9 202428101361SWPM4 09 999.9 999.9 290 9.3 12.9 999 9999.9 1009.9 17.2 99.9 99.9 202428101421SWPM4 09 999.9 999.9 290 11.3 13.4 999 9999.9 1010.1 17.2 99.9 99.9 202428101481SWPM4 09 999.9 999.9 300 9.3 12.9 999 9999.9 1010.2 17.2 99.9 99.9 202428101541SWPM4 09 999.9 999.9 310 10.8 16.5 999 9999.9 1010.2 17.2 99.9 99.9 202428102001SWPM4 09 999.9 999.9 300 11.8 14.9 999 9999.9 1010.3 17.3 99.9 99.9 202428102061SWPM4 09 10.3 999.9 300 10.3 13.4 999 9999.9 1010.3 17.3 99.9 99.9 202428102121SWPM4 09 10.4 999.9 300 9.8 12.3 999 9999.9 1010.3 17.3 99.9 99.9 202428102181SWPM4 09 9.9 999.9 290 11.3 13.4 999 9999.9 1010.4 17.2 99.9 99.9 202428102241SWPM4 09 9.7 999.9 290 9.3 12.9 999 9999.9 1010.5 17.3 99.9 99.9 202428102301SWPM4 09 9.9 999.9 300 9.3 12.3 999 9999.9 1010.5 17.2 99.9 99.9 202428102361SWPM4 09 9.8 999.9 310 9.8 12.3 999 9999.9 9999.9 17.3 99.9 99.9 202428102421SWPM4 09 10.1 999.9 300 8.2 12.3 999 9999.9 9999.9 17.3 99.9 99.9 202428102481SWPM4 09 9.9 999.9 300 8.7 11.8 999 9999.9 9999.9 17.2 99.9 99.9 202428102541SWPM4 09 999.9 999.9 310 8.7 11.8 999 9999.9 1010.8 99.9 99.9 99.9 202428103001SWPM4 09 999.9 999.9 310 7.2 10.3 999 9999.9 1010.8 99.9 99.9 99.9 202428103061SWPM4 09 999.9 999.9 310 7.7 9.8 999 9999.9 1010.8 17.2 99.9 99.9 202428103121SWPM4 09 999.9 999.9 310 7.7 9.8 999 9999.9 1010.8 17.2 99.9 99.9 202428103181SWPM4 09 999.9 999.9 310 8.7 11.8 999 9999.9 1010.8 17.2 99.9 99.9 202428103241SWPM4 09 10.2 999.9 290 6.2 9.8 999 9999.9 1010.8 17.3 99.9 99.9 202428103301SWPM4 09 10.1 999.9 300 8.2 9.8 999 9999.9 1010.8 17.3 99.9 99.9 202428103361SWPM4 09 999.9 999.9 300 8.7 10.8 999 9999.9 1010.8 99.9 99.9 99.9 202428103421SWPM4 09 999.9 999.9 310 8.2 10.8 999 9999.9 1010.8 99.9 99.9 99.9 202428103481SWPM4 09 999.9 999.9 310 7.7 10.8 999 9999.9 1010.9 99.9 99.9 99.9
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