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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: 0805 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 (344)
 (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   N     W    
-------GMT-              TMP   PT  DIR  SPD  GST CVR  RAD    PRES   TMP  HGT  PER  LAT   LON   
YYYYDDDHHMM#ID            C     C  Deg  m/s  m/s  %   W/m2    mb     C    m    s  d.deg d.deg   
202534400001SWPM4   09  -2.7 999.9 250  5.1  7.2 999 9999.9  998.1 99.9 99.9 99.9 99.99 99.99
202534400061SWPM4   09  -3.3 999.9 230  3.6  5.7 999 9999.9  998.1 99.9 99.9 99.9 99.99 99.99
202534400121SWPM4   09  -3.7 999.9 220  4.1  4.6 999 9999.9  998.1 99.9 99.9 99.9 99.99 99.99
202534400181SWPM4   09  -4.2 999.9 220  3.1  4.1 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534400241SWPM4   09  -4.5 999.9 220  3.1  4.1 999 9999.9  998.1 99.9 99.9 99.9 99.99 99.99
202534400301SWPM4   09  -4.7 999.9 220  3.1  4.1 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534400361SWPM4   09 999.9 999.9 220  3.6  4.6 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534400421SWPM4   09 999.9 999.9 220  2.6  4.1 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534400481SWPM4   09 999.9 999.9 220  3.1  4.1 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534400541SWPM4   09  -4.7 999.9 220  3.6  4.6 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534401001SWPM4   09  -4.7 999.9 220  3.6  4.6 999 9999.9  997.9 99.9 99.9 99.9 99.99 99.99
202534401061SWPM4   09 999.9 999.9 220  3.6  5.1 999 9999.9  997.9 99.9 99.9 99.9 99.99 99.99
202534401121SWPM4   09 999.9 999.9 220  4.1  5.7 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534401181SWPM4   09 999.9 999.9 220  4.1  5.7 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534401241SWPM4   09  -4.2 999.9 230  4.6  6.2 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534401301SWPM4   09  -4.1 999.9 230  5.7  7.2 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534401361SWPM4   09  -3.9 999.9 230  5.1  6.7 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534401421SWPM4   09  -3.9 999.9 230  4.6  6.7 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534401481SWPM4   09  -3.8 999.9 220  4.1  6.2 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534401541SWPM4   09  -4.1 999.9 220  4.1  5.1 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534402001SWPM4   09  -4.3 999.9 210  3.6  4.6 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534402061SWPM4   09  -4.2 999.9 230  3.6  5.7 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534402121SWPM4   09  -4.2 999.9 230  3.1  5.1 999 9999.9  998.0 99.9 99.9 99.9 99.99 99.99
202534402181SWPM4   09  -3.8 999.9 230  4.6  6.2 999 9999.9  997.9 99.9 99.9 99.9 99.99 99.99
202534402241SWPM4   09  -3.6 999.9 230  5.1  6.2 999 9999.9  997.9 99.9 99.9 99.9 99.99 99.99
202534402301SWPM4   09  -3.8 999.9 210  3.6  6.7 999 9999.9  997.8 99.9 99.9 99.9 99.99 99.99
202534402361SWPM4   09 999.9 999.9 210  3.6  4.6 999 9999.9  997.8 99.9 99.9 99.9 99.99 99.99
202534402421SWPM4   09 999.9 999.9 220  3.6  6.2 999 9999.9  997.9 99.9 99.9 99.9 99.99 99.99
202534402481SWPM4   09 999.9 999.9 220  4.1  5.7 999 9999.9  997.8 99.9 99.9 99.9 99.99 99.99
202534402541SWPM4   09  -3.6 999.9 230  5.1  6.2 999 9999.9  997.8 99.9 99.9 99.9 99.99 99.99
202534403001SWPM4   09  -3.2 999.9 230  5.7  6.7 999 9999.9  997.7 99.9 99.9 99.9 99.99 99.99
202534403061SWPM4   09 999.9 999.9 240  6.2  7.2 999 9999.9  997.7 99.9 99.9 99.9 99.99 99.99
202534403121SWPM4   09 999.9 999.9 230  5.7  7.2 999 9999.9  997.7 99.9 99.9 99.9 99.99 99.99
202534403181SWPM4   09 999.9 999.9 230  6.2  7.2 999 9999.9  997.6 99.9 99.9 99.9 99.99 99.99
202534403241SWPM4   09  -3.0 999.9 230  5.7  7.2 999 9999.9  997.6 99.9 99.9 99.9 99.99 99.99
202534403301SWPM4   09  -3.0 999.9 230  5.1  6.2 999 9999.9  997.6 99.9 99.9 99.9 99.99 99.99
202534403361SWPM4   09 999.9 999.9 230  5.7  6.7 999 9999.9  997.5 99.9 99.9 99.9 99.99 99.99
202534403421SWPM4   09 999.9 999.9 230  5.1  6.7 999 9999.9  997.5 99.9 99.9 99.9 99.99 99.99
202534403481SWPM4   09 999.9 999.9 220  4.6  5.7 999 9999.9  997.5 99.9 99.9 99.9 99.99 99.99
202534403541SWPM4   09  -2.8 999.9 230  4.1  5.1 999 9999.9  997.4 99.9 99.9 99.9 99.99 99.99
202534404001SWPM4   09  -2.8 999.9 230  4.6  5.7 999 9999.9  997.4 99.9 99.9 99.9 99.99 99.99
202534404061SWPM4   09 999.9 999.9 230  4.1  5.7 999 9999.9  997.5 99.9 99.9 99.9 99.99 99.99
202534404121SWPM4   09 999.9 999.9 220  3.6  4.6 999 9999.9  997.6 99.9 99.9 99.9 99.99 99.99
202534404181SWPM4   09 999.9 999.9 230  3.6  4.6 999 9999.9  997.6 99.9 99.9 99.9 99.99 99.99
202534404241SWPM4   09  -2.6 999.9 240  4.1  5.1 999 9999.9  997.6 99.9 99.9 99.9 99.99 99.99
202534404301SWPM4   09  -2.6 999.9 240  3.6  4.6 999 9999.9  997.5 99.9 99.9 99.9 99.99 99.99
202534404361SWPM4   09 999.9 999.9 190  2.1  4.1 999 9999.9  997.5 99.9 99.9 99.9 99.99 99.99
202534404421SWPM4   09 999.9 999.9 220  2.6  3.6 999 9999.9  997.5 99.9 99.9 99.9 99.99 99.99
202534404481SWPM4   09 999.9 999.9 230  2.6  3.6 999 9999.9  997.5 99.9 99.9 99.9 99.99 99.99
202534404541SWPM4   09  -2.8 999.9 230  3.1  3.6 999 9999.9  997.5 99.9 99.9 99.9 99.99 99.99
202534405001SWPM4   09  -2.6 999.9 230  2.6  3.6 999 9999.9  997.5 99.9 99.9 99.9 99.99 99.99
202534405061SWPM4   09  -3.0 999.9 150  1.5  3.6 999 9999.9  997.6 99.9 99.9 99.9 99.99 99.99
202534405121SWPM4   09  -3.3 999.9 160  1.0  2.1 999 9999.9  997.6 99.9 99.9 99.9 99.99 99.99
202534405181SWPM4   09  -3.4 999.9 160  1.5  2.1 999 9999.9  997.6 99.9 99.9 99.9 99.99 99.99
202534405241SWPM4   09  -3.5 999.9 150  1.0  2.1 999 9999.9  997.6 99.9 99.9 99.9 99.99 99.99
202534405301SWPM4   09  -3.5 999.9 170  1.0  2.1 999 9999.9  997.6 99.9 99.9 99.9 99.99 99.99
202534405361SWPM4   09 999.9 999.9 160  1.0  2.1 999 9999.9  997.5 99.9 99.9 99.9 99.99 99.99
202534405421SWPM4   09 999.9 999.9 160  1.0  1.5 999 9999.9  997.5 99.9 99.9 99.9 99.99 99.99
202534405481SWPM4   09 999.9 999.9 140  1.0  2.1 999 9999.9  997.5 99.9 99.9 99.9 99.99 99.99
202534405541SWPM4   09  -3.5 999.9 160  1.0  1.5 999 9999.9  997.4 99.9 99.9 99.9 99.99 99.99
202534406001SWPM4   09  -3.5 999.9 170  1.0  1.5 999 9999.9  997.4 99.9 99.9 99.9 99.99 99.99
202534406061SWPM4   09 999.9 999.9 190  1.0  2.1 999 9999.9  997.3 99.9 99.9 99.9 99.99 99.99
202534406121SWPM4   09 999.9 999.9 210  1.5  2.1 999 9999.9  997.3 99.9 99.9 99.9 99.99 99.99
202534406181SWPM4   09 999.9 999.9 220  1.5  2.1 999 9999.9  997.3 99.9 99.9 99.9 99.99 99.99
202534406241SWPM4   09  -3.5 999.9 220  1.5  2.6 999 9999.9  997.3 99.9 99.9 99.9 99.99 99.99
202534406301SWPM4   09  -3.5 999.9 200  1.0  2.6 999 9999.9  997.3 99.9 99.9 99.9 99.99 99.99
202534406361SWPM4   09 999.9 999.9 200  1.0  2.1 999 9999.9  997.3 99.9 99.9 99.9 99.99 99.99
202534406421SWPM4   09 999.9 999.9 200  1.5  2.6 999 9999.9  997.4 99.9 99.9 99.9 99.99 99.99
202534406481SWPM4   09 999.9 999.9 200  1.0  2.1 999 9999.9  997.4 99.9 99.9 99.9 99.99 99.99
  New Graph (click on parameter):                                      
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This Web page created and maintained by Greg Lang, NOAA/GLERL,
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