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Realtime Great Lakes Weather Data and Marine Observations

 SVNM4: GLERL South Haven MI                                  
CMAN Station
Lat: 42.40°, Lon: -86.29°
Elevation: 176 m
Anemometer Height: 17 m
Related Site: NDBC
Related Site: GLERL

Current Time: 1251 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 (257)
 (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
202425700001SVNM4   19  26.7 999.9  40  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425700101SVNM4   19  26.3 999.9  30  2.6  3.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425700201SVNM4   19  26.0 999.9  30  2.6  3.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425700301SVNM4   19  25.6 999.9  30  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425700401SVNM4   19  25.3 999.9  40  2.6  3.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425700501SVNM4   19  25.0 999.9  40  2.6  3.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425701001SVNM4   19  24.8 999.9  40  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425701101SVNM4   19  24.4 999.9  40  2.6  3.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425701201SVNM4   19  24.2 999.9  30  3.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425701301SVNM4   19  24.0 999.9  40  3.1  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425701401SVNM4   19  23.8 999.9  40  3.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425701501SVNM4   19  23.6 999.9  40  3.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425702001SVNM4   19  23.4 999.9  40  3.6  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425702101SVNM4   19  23.2 999.9  40  3.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425702201SVNM4   19  23.0 999.9  40  3.6  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425702301SVNM4   19  22.9 999.9  40  3.6  5.7 999 9999.9 9999.9 99.9 99.9 99.9             
202425702401SVNM4   19  22.9 999.9  50  3.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425702501SVNM4   19  22.7 999.9  50  3.6  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425703001SVNM4   19  22.6 999.9  60  3.6  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425703101SVNM4   19  22.5 999.9  60  3.1  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425703201SVNM4   19  22.3 999.9  60  2.6  3.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425703301SVNM4   19  22.2 999.9  60  3.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425703401SVNM4   19  22.1 999.9  50  3.6  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425703501SVNM4   19  21.8 999.9  50  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425704001SVNM4   19  21.5 999.9  40  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425704101SVNM4   19  21.2 999.9  50  3.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425704201SVNM4   19  21.2 999.9  60  3.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425704301SVNM4   19  21.0 999.9  60  3.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425704401SVNM4   19  21.1 999.9  60  3.6  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425704501SVNM4   19  21.0 999.9  70  3.6  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425705001SVNM4   19  20.8 999.9  70  3.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425705101SVNM4   19  20.7 999.9  60  3.1  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425705201SVNM4   19  20.5 999.9  70  3.6  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425705301SVNM4   19  20.4 999.9  60  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425705401SVNM4   19  20.3 999.9  70  3.1  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425705501SVNM4   19  20.2 999.9  80  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425706001SVNM4   19  20.2 999.9  80  3.6  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425706101SVNM4   19  20.0 999.9  70  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425706201SVNM4   19  20.0 999.9  70  3.1  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425706301SVNM4   19  19.9 999.9  60  3.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425706401SVNM4   19  19.7 999.9  60  3.6  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425706501SVNM4   19  19.6 999.9  60  3.1  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425707001SVNM4   19  19.4 999.9  60  3.6  3.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425707101SVNM4   19  19.1 999.9  60  3.6  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425707201SVNM4   19  18.8 999.9  50  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425707301SVNM4   19  18.6 999.9  60  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425707401SVNM4   19  18.7 999.9  60  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425707501SVNM4   19  18.6 999.9  60  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425708001SVNM4   19  18.5 999.9  60  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425708101SVNM4   19  18.4 999.9  60  4.1  5.7 999 9999.9 9999.9 99.9 99.9 99.9             
202425708201SVNM4   19  18.3 999.9  70  3.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425708301SVNM4   19  18.1 999.9  70  3.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425708401SVNM4   19  18.0 999.9  60  3.6  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425708501SVNM4   19  17.9 999.9  60  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425709001SVNM4   19  17.6 999.9  60  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425709101SVNM4   19  17.6 999.9  60  4.1  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425709201SVNM4   19  17.5 999.9  60  4.6  5.7 999 9999.9 9999.9 99.9 99.9 99.9             
202425709301SVNM4   19  17.6 999.9  70  3.6  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425709401SVNM4   19  17.6 999.9  70  4.1  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425709501SVNM4   19  17.6 999.9  70  4.6  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425710001SVNM4   19  17.5 999.9  70  3.6  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425710101SVNM4   19  17.4 999.9  70  4.1  5.7 999 9999.9 9999.9 99.9 99.9 99.9             
202425710201SVNM4   19  17.3 999.9  70  4.1  5.7 999 9999.9 9999.9 99.9 99.9 99.9             
202425710301SVNM4   19  17.2 999.9  60  4.1  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425710401SVNM4   19  17.0 999.9  60  4.1  4.6 999 9999.9 9999.9 99.9 99.9 99.9             
202425710501SVNM4   19  16.9 999.9  60  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425711001SVNM4   19  16.9 999.9  70  4.1  5.7 999 9999.9 9999.9 99.9 99.9 99.9             
202425711101SVNM4   19  16.8 999.9  70  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425711201SVNM4   19  16.7 999.9  70  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425711301SVNM4   19  16.6 999.9  70  4.6  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202425711401SVNM4   19  16.6 999.9  70  4.6  5.7 999 9999.9 9999.9 99.9 99.9 99.9             
202425711501SVNM4   19  16.8 999.9  80  4.6  5.7 999 9999.9 9999.9 99.9 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
google chart
72 matching elements
0.015 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
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