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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: 1453 GMT
Station Types
(Click on name to view all stations for that type)
White MarkerAll Stations
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 (109)
 (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
202510900001SWPM4   09   3.6 999.9 290  4.1  4.1 999 9999.9 1005.7 99.9 99.9 99.9             
202510900061SWPM4   09   3.9 999.9 280  3.6  4.1 999 9999.9 1005.8 99.9 99.9 99.9             
202510900121SWPM4   09   3.3 999.9 290  3.1  3.6 999 9999.9 1005.8 99.9 99.9 99.9             
202510900181SWPM4   09   3.8 999.9 300  2.1  3.1 999 9999.9 1005.8 99.9 99.9 99.9             
202510900241SWPM4   09   4.0 999.9 310  4.1  4.6 999 9999.9 1005.7 99.9 99.9 99.9             
202510900301SWPM4   09   4.3 999.9 310  4.1  5.1 999 9999.9 1005.6 99.9 99.9 99.9             
202510900361SWPM4   09   4.2 999.9 310  3.6  5.1 999 9999.9 1005.5 99.9 99.9 99.9             
202510900421SWPM4   09   4.0 999.9 330  3.1  4.6 999 9999.9 1005.3 99.9 99.9 99.9             
202510900481SWPM4   09   4.1 999.9 310  3.1  4.1 999 9999.9 1005.4 99.9 99.9 99.9             
202510900541SWPM4   09   3.7 999.9 310  3.6  5.1 999 9999.9 1005.3 99.9 99.9 99.9             
202510901001SWPM4   09   3.6 999.9 310  4.6  6.2 999 9999.9 1005.8 99.9 99.9 99.9             
202510901061SWPM4   09   3.4 999.9 310  5.1  5.7 999 9999.9 1005.8 99.9 99.9 99.9             
202510901121SWPM4   09   3.3 999.9 310  4.1  5.1 999 9999.9 1005.9 99.9 99.9 99.9             
202510901181SWPM4   09   2.8 999.9 310  3.6  4.6 999 9999.9 1006.0 99.9 99.9 99.9             
202510901241SWPM4   09   2.8 999.9 300  5.1  6.2 999 9999.9 1006.1 99.9 99.9 99.9             
202510901301SWPM4   09   2.9 999.9 310  3.1  5.7 999 9999.9 1006.0 99.9 99.9 99.9             
202510901361SWPM4   09   3.1 999.9 320  3.1  4.1 999 9999.9 1006.0 99.9 99.9 99.9             
202510901421SWPM4   09   3.1 999.9 320  2.6  3.1 999 9999.9 1005.9 99.9 99.9 99.9             
202510901481SWPM4   09   2.8 999.9 310  2.6  2.6 999 9999.9 1005.9 99.9 99.9 99.9             
202510901541SWPM4   09   2.9 999.9 310  2.1  3.1 999 9999.9 1005.8 99.9 99.9 99.9             
202510902001SWPM4   09   2.9 999.9 350  2.6  3.1 999 9999.9 1005.6 99.9 99.9 99.9             
202510902061SWPM4   09   2.8 999.9 350  2.1  2.6 999 9999.9 1005.5 99.9 99.9 99.9             
202510902121SWPM4   09   2.9 999.9 320  1.5  2.6 999 9999.9 1005.6 99.9 99.9 99.9             
202510902181SWPM4   09   2.9 999.9 320  2.1  2.6 999 9999.9 1005.5 99.9 99.9 99.9             
202510902241SWPM4   09   2.9 999.9 330  1.0  2.1 999 9999.9 1005.5 99.9 99.9 99.9             
202510902301SWPM4   09   2.9 999.9 290  1.5  2.1 999 9999.9 1005.8 99.9 99.9 99.9             
202510902361SWPM4   09 999.9 999.9 310  2.1  2.6 999 9999.9 1005.7 99.9 99.9 99.9             
202510902421SWPM4   09 999.9 999.9 300  3.6  4.1 999 9999.9 1006.0 99.9 99.9 99.9             
202510902481SWPM4   09 999.9 999.9 310  2.6  4.1 999 9999.9 1005.7 99.9 99.9 99.9             
202510902541SWPM4   09   2.8 999.9 310  2.6  2.6 999 9999.9 1005.4 99.9 99.9 99.9             
202510903001SWPM4   09   2.8 999.9 330  2.6  4.1 999 9999.9 1005.2 99.9 99.9 99.9             
202510903061SWPM4   09   2.9 999.9 310  2.6  4.1 999 9999.9 1005.4 99.9 99.9 99.9             
202510903121SWPM4   09   2.8 999.9 300  2.1  3.6 999 9999.9 1005.5 99.9 99.9 99.9             
202510903181SWPM4   09   2.7 999.9 310  1.5  2.1 999 9999.9 1005.4 99.9 99.9 99.9             
202510903241SWPM4   09 999.9 999.9 310  2.6  3.1 999 9999.9 1005.5 99.9 99.9 99.9             
202510903301SWPM4   09 999.9 999.9 300  2.6  3.1 999 9999.9 1005.3 99.9 99.9 99.9             
202510903361SWPM4   09   2.7 999.9 300  2.6  4.1 999 9999.9 1005.2 99.9 99.9 99.9             
202510903421SWPM4   09   2.3 999.9 250  2.1  3.1 999 9999.9 1005.2 99.9 99.9 99.9             
202510903481SWPM4   09   2.1 999.9 240  2.1  2.6 999 9999.9 1005.5 99.9 99.9 99.9             
202510903541SWPM4   09   2.3 999.9 270  2.6  3.6 999 9999.9 1005.4 99.9 99.9 99.9             
202510904001SWPM4   09   2.3 999.9 270  3.1  4.1 999 9999.9 1005.7 99.9 99.9 99.9             
202510904061SWPM4   09   2.1 999.9 270  3.6  4.6 999 9999.9 1005.7 99.9 99.9 99.9             
202510904121SWPM4   09   2.0 999.9 300  3.6  4.1 999 9999.9 1005.3 99.9 99.9 99.9             
202510904181SWPM4   09   2.4 999.9 300  3.1  4.1 999 9999.9 1005.2 99.9 99.9 99.9             
202510904241SWPM4   09 999.9 999.9 310  3.1  4.6 999 9999.9 1005.0 99.9 99.9 99.9             
202510904301SWPM4   09 999.9 999.9 330  2.1  4.1 999 9999.9 1004.9 99.9 99.9 99.9             
202510904361SWPM4   09 999.9 999.9 330  2.6  3.1 999 9999.9 1005.1 99.9 99.9 99.9             
202510904421SWPM4   09 999.9 999.9 280  3.6  4.1 999 9999.9 1006.0 99.9 99.9 99.9             
202510904481SWPM4   09 999.9 999.9 270  4.1  6.7 999 9999.9 1005.7 99.9 99.9 99.9             
202510904541SWPM4   09   2.1 999.9 300  3.1  4.1 999 9999.9 1005.3 99.9 99.9 99.9             
202510905001SWPM4   09   2.3 999.9 300  4.1  5.1 999 9999.9 1005.4 99.9 99.9 99.9             
202510905061SWPM4   09   2.4 999.9 290  4.6  6.2 999 9999.9 1005.7 99.9 99.9 99.9             
202510905121SWPM4   09   2.3 999.9 310  3.6  5.7 999 9999.9 1005.2 99.9 99.9 99.9             
202510905181SWPM4   09   2.4 999.9 340  2.6  4.1 999 9999.9 1005.0 99.9 99.9 99.9             
202510905241SWPM4   09   2.3 999.9 280  2.6  4.1 999 9999.9 1005.6 99.9 99.9 99.9             
202510905301SWPM4   09   2.1 999.9 290  2.6  4.1 999 9999.9 1005.5 99.9 99.9 99.9             
202510905361SWPM4   09   2.2 999.9 300  5.1  5.7 999 9999.9 1005.7 99.9 99.9 99.9             
202510905421SWPM4   09   2.2 999.9 300  4.1  5.7 999 9999.9 1005.3 99.9 99.9 99.9             
202510905481SWPM4   09   2.0 999.9 290  3.1  4.6 999 9999.9 1005.1 99.9 99.9 99.9             
202510905541SWPM4   09   2.2 999.9 290  3.6  4.6 999 9999.9 1005.4 99.9 99.9 99.9             
202510906001SWPM4   09   2.3 999.9 300  4.6  5.7 999 9999.9 1005.3 99.9 99.9 99.9             
202510906061SWPM4   09   2.5 999.9 300  4.1  6.2 999 9999.9 1005.0 99.9 99.9 99.9             
202510906121SWPM4   09   2.5 999.9 300  3.6  4.6 999 9999.9 1005.2 99.9 99.9 99.9             
202510906181SWPM4   09   2.3 999.9 310  3.6  4.6 999 9999.9 1005.2 99.9 99.9 99.9             
202510906241SWPM4   09   2.3 999.9 300  5.7  6.2 999 9999.9 1005.7 99.9 99.9 99.9             
202510906301SWPM4   09   2.4 999.9 310  6.2  7.7 999 9999.9 1005.6 99.9 99.9 99.9             
202510906361SWPM4   09   2.5 999.9 310  6.7  7.7 999 9999.9 1005.4 99.9 99.9 99.9             
202510906421SWPM4   09   2.3 999.9 300  5.1  8.2 999 9999.9 1005.7 99.9 99.9 99.9             
202510906481SWPM4   09   2.5 999.9 300  4.6  6.2 999 9999.9 1005.3 99.9 99.9 99.9             
202510906541SWPM4   09   2.6 999.9 310  5.1  6.7 999 9999.9 1005.2 99.9 99.9 99.9             
202510907001SWPM4   09   2.6 999.9 320  4.6  6.2 999 9999.9 1005.1 99.9 99.9 99.9             
202510907061SWPM4   09   2.5 999.9 310  4.6  5.7 999 9999.9 1005.0 99.9 99.9 99.9             
202510907121SWPM4   09   2.6 999.9 310  4.1  5.7 999 9999.9 1004.7 99.9 99.9 99.9             
202510907181SWPM4   09   2.3 999.9 290  4.6  5.7 999 9999.9 1005.1 99.9 99.9 99.9             
202510907241SWPM4   09   2.4 999.9 300  5.7  6.7 999 9999.9 1004.7 99.9 99.9 99.9             
202510907301SWPM4   09   2.4 999.9 300  6.2  7.7 999 9999.9 1004.8 99.9 99.9 99.9             
202510907361SWPM4   09 999.9 999.9 300  6.2  7.7 999 9999.9 1004.8 99.9 99.9 99.9             
202510907421SWPM4   09 999.9 999.9 310  4.1  5.7 999 9999.9 1004.7 99.9 99.9 99.9             
202510907481SWPM4   09 999.9 999.9 290  4.6  5.7 999 9999.9 1005.0 99.9 99.9 99.9             
202510907541SWPM4   09   2.2 999.9 290  4.1  5.7 999 9999.9 1005.2 99.9 99.9 99.9             
202510908001SWPM4   09   2.1 999.9 290  3.6  5.7 999 9999.9 1005.2 99.9 99.9 99.9             
202510908061SWPM4   09   2.2 999.9 300  3.6  4.6 999 9999.9 1005.1 99.9 99.9 99.9             
202510908121SWPM4   09   2.3 999.9 310  4.1  5.7 999 9999.9 1004.9 99.9 99.9 99.9             
202510908181SWPM4   09   2.4 999.9 300  4.6  5.7 999 9999.9 1004.8 99.9 99.9 99.9             
202510908241SWPM4   09   2.2 999.9 290  4.6  5.7 999 9999.9 1005.3 99.9 99.9 99.9             
202510908301SWPM4   09   2.1 999.9 290  4.6  5.7 999 9999.9 1005.5 99.9 99.9 99.9             
202510908361SWPM4   09   2.1 999.9 290  4.6  6.2 999 9999.9 1005.6 99.9 99.9 99.9             
202510908421SWPM4   09   2.0 999.9 290  4.1  5.7 999 9999.9 1005.5 99.9 99.9 99.9             
202510908481SWPM4   09   2.2 999.9 280  3.6  5.1 999 9999.9 1005.9 99.9 99.9 99.9             
202510908541SWPM4   09   2.1 999.9 280  4.6  6.2 999 9999.9 1005.7 99.9 99.9 99.9             
202510909001SWPM4   09   2.2 999.9 300  5.7  6.7 999 9999.9 1005.6 99.9 99.9 99.9             
202510909061SWPM4   09   2.0 999.9 300  4.1  6.2 999 9999.9 1005.4 99.9 99.9 99.9             
202510909121SWPM4   09   2.0 999.9 290  5.7  7.2 999 9999.9 1005.9 99.9 99.9 99.9             
202510909181SWPM4   09   2.0 999.9 280  6.2  7.7 999 9999.9 1006.5 99.9 99.9 99.9             
202510909241SWPM4   09   1.9 999.9 280  5.1  8.2 999 9999.9 1006.4 99.9 99.9 99.9             
202510909301SWPM4   09   1.8 999.9 280  5.1  6.2 999 9999.9 1006.3 99.9 99.9 99.9             
202510909361SWPM4   09   1.8 999.9 280  4.6  5.7 999 9999.9 1006.5 99.9 99.9 99.9             
202510909421SWPM4   09   1.7 999.9 290  4.6  6.2 999 9999.9 1006.7 99.9 99.9 99.9             
202510909481SWPM4   09   1.7 999.9 290  5.1  6.2 999 9999.9 1006.9 99.9 99.9 99.9             
202510909541SWPM4   09   1.7 999.9 290  5.7  7.2 999 9999.9 1006.8 99.9 99.9 99.9             
202510910001SWPM4   09   1.7 999.9 280  4.6  6.2 999 9999.9 1006.8 99.9 99.9 99.9             
202510910061SWPM4   09   1.7 999.9 300  5.1  6.2 999 9999.9 1006.9 99.9 99.9 99.9             
202510910121SWPM4   09   1.8 999.9 300  5.1  6.2 999 9999.9 1006.7 99.9 99.9 99.9             
202510910181SWPM4   09   1.7 999.9 300  5.1  6.7 999 9999.9 1007.2 99.9 99.9 99.9             
202510910241SWPM4   09   1.6 999.9 290  5.7  7.2 999 9999.9 1007.2 99.9 99.9 99.9             
202510910301SWPM4   09   1.6 999.9 290  4.6  6.2 999 9999.9 1007.3 99.9 99.9 99.9             
202510910361SWPM4   09 999.9 999.9 280  4.6  6.7 999 9999.9 1007.3 99.9 99.9 99.9             
202510910421SWPM4   09 999.9 999.9 290  3.6  5.1 999 9999.9 1007.3 99.9 99.9 99.9             
202510910481SWPM4   09 999.9 999.9 280  4.1  5.7 999 9999.9 1007.5 99.9 99.9 99.9             
202510910541SWPM4   09   1.6 999.9 280  4.6  5.1 999 9999.9 1007.5 99.9 99.9 99.9             
202510911001SWPM4   09   1.7 999.9 290  4.1  5.1 999 9999.9 1007.7 99.9 99.9 99.9             
202510911061SWPM4   09   1.6 999.9 280  4.1  6.2 999 9999.9 1007.9 99.9 99.9 99.9             
202510911121SWPM4   09   1.5 999.9 270  3.6  6.2 999 9999.9 1008.0 99.9 99.9 99.9             
202510911181SWPM4   09   1.6 999.9 280  5.1  6.2 999 9999.9 1008.0 99.9 99.9 99.9             
202510911241SWPM4   09   1.7 999.9 280  4.1  6.2 999 9999.9 1008.0 99.9 99.9 99.9             
202510911301SWPM4   09   1.6 999.9 290  3.6  4.6 999 9999.9 1007.9 99.9 99.9 99.9             
202510911361SWPM4   09   1.6 999.9 280  3.6  5.1 999 9999.9 1008.0 99.9 99.9 99.9             
202510911421SWPM4   09   1.5 999.9 280  4.1  5.1 999 9999.9 1008.1 99.9 99.9 99.9             
202510911481SWPM4   09   1.5 999.9 280  4.6  5.7 999 9999.9 1008.5 99.9 99.9 99.9             
202510911541SWPM4   09   1.6 999.9 280  4.6  6.2 999 9999.9 1008.6 99.9 99.9 99.9             
202510912001SWPM4   09   1.6 999.9 290  5.1  6.2 999 9999.9 1008.8 99.9 99.9 99.9             
202510912061SWPM4   09   1.6 999.9 290  4.6  7.2 999 9999.9 1008.8 99.9 99.9 99.9             
202510912121SWPM4   09   1.8 999.9 290  5.1  6.7 999 9999.9 1008.9 99.9 99.9 99.9             
202510912181SWPM4   09   1.6 999.9 290  5.1  7.7 999 9999.9 1009.2 99.9 99.9 99.9             
202510912241SWPM4   09   1.7 999.9 300  6.2  9.8 999 9999.9 1009.5 99.9 99.9 99.9             
202510912301SWPM4   09   1.8 999.9 300  7.2  9.8 999 9999.9 1009.5 99.9 99.9 99.9             
202510912361SWPM4   09   1.8 999.9 300  7.7  9.8 999 9999.9 1009.4 99.9 99.9 99.9             
202510912421SWPM4   09   1.8 999.9 310  7.7 11.3 999 9999.9 1009.2 99.9 99.9 99.9             
202510912481SWPM4   09   1.7 999.9 310  5.1  8.7 999 9999.9 1009.2 99.9 99.9 99.9             
202510912541SWPM4   09   1.8 999.9 300  6.2  7.7 999 9999.9 1009.6 99.9 99.9 99.9             
202510913001SWPM4   09   1.8 999.9 300  5.1  8.2 999 9999.9 1009.4 99.9 99.9 99.9             
202510913061SWPM4   09   1.8 999.9 300  6.7  8.7 999 9999.9 1009.5 99.9 99.9 99.9             
202510913121SWPM4   09   1.9 999.9 310  7.7  9.8 999 9999.9 1009.6 99.9 99.9 99.9             
202510913181SWPM4   09   1.9 999.9 310  8.7 10.3 999 9999.9 1009.5 99.9 99.9 99.9             
202510913241SWPM4   09   1.8 999.9 310  6.2 10.8 999 9999.9 1009.4 99.9 99.9 99.9             
202510913301SWPM4   09   1.9 999.9 310  6.7  9.3 999 9999.9 1009.4 99.9 99.9 99.9             
202510913361SWPM4   09 999.9 999.9 310  6.2  8.2 999 9999.9 1009.2 99.9 99.9 99.9             
202510913421SWPM4   09 999.9 999.9 310  8.7 10.8 999 9999.9 1009.4 99.9 99.9 99.9             
202510913481SWPM4   09 999.9 999.9 310  8.2 11.3 999 9999.9 1009.4 99.9 99.9 99.9
  New Graph (click on parameter):                                      
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139 matching elements
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This Web page created and maintained by Greg Lang, NOAA/GLERL,
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