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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: 1016 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 (286)
 (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
202428600001SWPM4   09  13.7 999.9 310  9.8 13.4 999 9999.9 1013.3 15.0 99.9 99.9             
202428600061SWPM4   09  13.6 999.9 310  8.2 12.3 999 9999.9 1013.5 15.0 99.9 99.9             
202428600121SWPM4   09  13.5 999.9 300  6.2 11.8 999 9999.9 1013.5 15.1 99.9 99.9             
202428600181SWPM4   09  13.4 999.9 310 10.8 14.4 999 9999.9 1013.6 15.0 99.9 99.9             
202428600241SWPM4   09  13.3 999.9 310  8.7 11.8 999 9999.9 1013.9 15.0 99.9 99.9             
202428600301SWPM4   09  13.2 999.9 310  9.3 12.9 999 9999.9 1014.1 15.1 99.9 99.9             
202428600361SWPM4   09  13.1 999.9 310  8.2 12.3 999 9999.9 1014.4 15.1 99.9 99.9             
202428600421SWPM4   09  13.0 999.9 310  8.2 10.8 999 9999.9 1014.6 15.0 99.9 99.9             
202428600481SWPM4   09  12.9 999.9 310  6.2 10.3 999 9999.9 1014.8 15.1 99.9 99.9             
202428600541SWPM4   09  12.9 999.9 320  5.7 10.3 999 9999.9 1014.8 99.9 99.9 99.9             
202428601001SWPM4   09  12.9 999.9 320  4.1  9.8 999 9999.9 1015.1 99.9 99.9 99.9             
202428601061SWPM4   09  12.9 999.9 340  4.6  6.7 999 9999.9 1015.3 15.0 99.9 99.9             
202428601121SWPM4   09  12.8 999.9 320  4.6  7.7 999 9999.9 1015.4 15.1 99.9 99.9             
202428601181SWPM4   09  12.8 999.9 320  5.7  8.7 999 9999.9 1015.6 15.1 99.9 99.9             
202428601241SWPM4   09  12.8 999.9 340  5.7  7.7 999 9999.9 1015.7 15.1 99.9 99.9             
202428601301SWPM4   09  12.9 999.9 350  5.7  8.7 999 9999.9 1015.9 15.1 99.9 99.9             
202428601361SWPM4   09  12.7 999.9 350  4.1  8.7 999 9999.9 1016.1 99.9 99.9 99.9             
202428601421SWPM4   09  12.6 999.9 350  4.6  9.3 999 9999.9 1016.2 99.9 99.9 99.9             
202428601481SWPM4   09  12.5 999.9 350  5.1  7.2 999 9999.9 1016.2 99.9 99.9 99.9             
202428601541SWPM4   09  12.4 999.9 340  4.6  7.7 999 9999.9 1016.3 15.0 99.9 99.9             
202428602001SWPM4   09  12.3 999.9 340  5.1  8.2 999 9999.9 1016.4 15.0 99.9 99.9             
202428602061SWPM4   09  12.2 999.9 340  3.6  5.7 999 9999.9 1016.4 15.0 99.9 99.9             
202428602121SWPM4   09  12.1 999.9 340  2.6  5.1 999 9999.9 1016.6 15.0 99.9 99.9             
202428602181SWPM4   09  12.1 999.9 330  3.1  4.6 999 9999.9 1016.7 15.0 99.9 99.9             
202428602241SWPM4   09  12.1 999.9 330  3.6  5.1 999 9999.9 1016.8 15.1 99.9 99.9             
202428602301SWPM4   09  12.0 999.9 330  3.1  4.6 999 9999.9 1016.8 15.1 99.9 99.9             
202428602361SWPM4   09 999.9 999.9 999 99.9 99.9 999 9999.9 9999.9 15.1 99.9 99.9             
202428602421SWPM4   09 999.9 999.9 999 99.9 99.9 999 9999.9 9999.9 15.1 99.9 99.9             
202428602481SWPM4   09 999.9 999.9 999 99.9 99.9 999 9999.9 9999.9 15.1 99.9 99.9             
202428602541SWPM4   09  11.9 999.9 330  3.1  5.1 999 9999.9 1017.1 15.1 99.9 99.9             
202428603001SWPM4   09  11.8 999.9 320  2.6  4.1 999 9999.9 1017.1 15.1 99.9 99.9             
202428603061SWPM4   09  11.9 999.9 330  3.1  4.6 999 9999.9 1017.3 15.1 99.9 99.9             
202428603121SWPM4   09  11.8 999.9 330  3.1  5.1 999 9999.9 1017.4 15.1 99.9 99.9             
202428603181SWPM4   09  11.7 999.9 330  3.6  5.1 999 9999.9 1017.5 15.1 99.9 99.9             
202428603241SWPM4   09  11.6 999.9 330  3.1  4.6 999 9999.9 1017.6 15.1 99.9 99.9             
202428603301SWPM4   09  11.6 999.9 330  3.6  4.6 999 9999.9 1017.6 15.1 99.9 99.9             
202428603361SWPM4   09  11.5 999.9 340  5.1  6.7 999 9999.9 1017.8 15.1 99.9 99.9             
202428603421SWPM4   09  11.4 999.9 340  4.6  7.7 999 9999.9 1017.8 15.1 99.9 99.9             
202428603481SWPM4   09  11.2 999.9 340  5.1  7.2 999 9999.9 1017.9 15.1 99.9 99.9             
202428603541SWPM4   09  11.3 999.9 330  4.1  5.7 999 9999.9 1018.0 15.1 99.9 99.9             
202428604001SWPM4   09  11.3 999.9 340  6.2  7.7 999 9999.9 1018.0 15.1 99.9 99.9             
202428604061SWPM4   09  11.2 999.9 350  6.2  8.7 999 9999.9 1018.1 15.1 99.9 99.9             
202428604121SWPM4   09  11.1 999.9 350  6.2  8.7 999 9999.9 1018.1 15.1 99.9 99.9             
202428604181SWPM4   09  11.0 999.9 350  5.7  8.7 999 9999.9 1018.1 15.1 99.9 99.9             
202428604241SWPM4   09  10.9 999.9 340  5.1  8.2 999 9999.9 1018.2 15.1 99.9 99.9             
202428604301SWPM4   09  10.8 999.9 340  6.2  7.7 999 9999.9 1018.3 15.1 99.9 99.9             
202428604361SWPM4   09  10.7 999.9 330  5.1  7.7 999 9999.9 1018.3 15.1 99.9 99.9             
202428604421SWPM4   09  10.6 999.9 340  4.6  6.7 999 9999.9 1018.4 15.1 99.9 99.9             
202428604481SWPM4   09  10.6 999.9 340  4.6  6.2 999 9999.9 1018.4 15.1 99.9 99.9             
202428604541SWPM4   09  10.5 999.9 340  4.1  6.2 999 9999.9 1018.5 15.2 99.9 99.9             
202428605001SWPM4   09  10.3 999.9 340  4.1  5.7 999 9999.9 1018.6 15.2 99.9 99.9             
202428605061SWPM4   09  10.2 999.9 340  3.6  5.1 999 9999.9 1018.5 15.2 99.9 99.9             
202428605121SWPM4   09  10.1 999.9 340  4.6  5.7 999 9999.9 1018.4 15.2 99.9 99.9             
202428605181SWPM4   09  10.2 999.9 340  4.1  6.2 999 9999.9 1018.4 15.2 99.9 99.9             
202428605241SWPM4   09  10.2 999.9 340  3.6  5.7 999 9999.9 1018.3 15.2 99.9 99.9             
202428605301SWPM4   09  10.0 999.9 340  3.1  5.1 999 9999.9 1018.3 15.2 99.9 99.9             
202428605361SWPM4   09   9.9 999.9 340  2.6  4.1 999 9999.9 1018.4 15.2 99.9 99.9             
202428605421SWPM4   09   9.7 999.9 340  2.1  3.1 999 9999.9 1018.4 15.2 99.9 99.9             
202428605481SWPM4   09   9.6 999.9 340  2.6  3.1 999 9999.9 1018.4 15.2 99.9 99.9             
202428605541SWPM4   09   9.6 999.9 340  2.6  3.6 999 9999.9 1018.3 15.2 99.9 99.9             
202428606001SWPM4   09   9.6 999.9 340  2.6  3.6 999 9999.9 1018.4 15.2 99.9 99.9             
202428606061SWPM4   09 999.9 999.9 330  2.6  3.6 999 9999.9 1018.4 15.2 99.9 99.9             
202428606121SWPM4   09 999.9 999.9 330  2.1  3.6 999 9999.9 1018.4 15.2 99.9 99.9             
202428606181SWPM4   09 999.9 999.9 310  2.6  3.1 999 9999.9 1018.3 15.2 99.9 99.9             
202428606241SWPM4   09   9.4 999.9 320  2.6  3.6 999 9999.9 1018.3 15.2 99.9 99.9             
202428606301SWPM4   09   9.4 999.9 320  3.1  5.1 999 9999.9 1018.4 15.2 99.9 99.9             
202428606361SWPM4   09 999.9 999.9 310  2.6  4.6 999 9999.9 1018.5 15.2 99.9 99.9             
202428606421SWPM4   09 999.9 999.9 310  2.6  4.6 999 9999.9 1018.5 15.2 99.9 99.9             
202428606481SWPM4   09 999.9 999.9 300  2.6  3.6 999 9999.9 1018.7 15.2 99.9 99.9             
202428606541SWPM4   09   9.6 999.9 310  2.6  4.1 999 9999.9 1018.6 15.2 99.9 99.9             
202428607001SWPM4   09   9.6 999.9 320  2.1  3.1 999 9999.9 1018.6 15.2 99.9 99.9             
202428607061SWPM4   09   9.5 999.9 320  2.6  3.6 999 9999.9 1018.6 15.2 99.9 99.9             
202428607121SWPM4   09   9.3 999.9 350  1.5  3.1 999 9999.9 1018.7 15.2 99.9 99.9             
202428607181SWPM4   09   9.0 999.9 330  1.0  2.6 999 9999.9 1018.7 15.3 99.9 99.9             
202428607241SWPM4   09   9.1 999.9 330  2.6  3.6 999 9999.9 1018.7 15.3 99.9 99.9             
202428607301SWPM4   09   9.5 999.9 350  3.6  4.6 999 9999.9 1018.7 15.2 99.9 99.9             
202428607361SWPM4   09 999.9 999.9 340  3.6  5.1 999 9999.9 1018.8 99.9 99.9 99.9             
202428607421SWPM4   09 999.9 999.9 340  3.6  5.7 999 9999.9 1018.9 99.9 99.9 99.9             
202428607481SWPM4   09 999.9 999.9 340  3.1  6.7 999 9999.9 1018.9 99.9 99.9 99.9             
202428607541SWPM4   09 999.9 999.9 330  2.6  4.6 999 9999.9 1019.1 99.9 99.9 99.9             
202428608001SWPM4   09 999.9 999.9 330  2.1  3.1 999 9999.9 1019.1 99.9 99.9 99.9             
202428608061SWPM4   09   8.7 999.9 320  2.6  4.1 999 9999.9 1019.1 15.2 99.9 99.9             
202428608121SWPM4   09   8.6 999.9 330  2.6  3.1 999 9999.9 1019.2 15.2 99.9 99.9             
202428608181SWPM4   09   8.5 999.9 340  2.1  3.1 999 9999.9 1019.3 15.2 99.9 99.9             
202428608241SWPM4   09 999.9 999.9 330  3.6  4.6 999 9999.9 1019.4 15.1 99.9 99.9             
202428608301SWPM4   09 999.9 999.9 330  3.1  4.6 999 9999.9 1019.5 15.1 99.9 99.9             
202428608361SWPM4   09   8.4 999.9 999 99.9 99.9 999 9999.9 1019.5 99.9 99.9 99.9             
202428608421SWPM4   09   8.6 999.9 999 99.9 99.9 999 9999.9 1019.6 99.9 99.9 99.9             
202428608481SWPM4   09   8.5 999.9 999 99.9 99.9 999 9999.9 1019.7 99.9 99.9 99.9
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This Web page created and maintained by Greg Lang, NOAA/GLERL,
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