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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: 0017 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 (258)
 (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            F     F  Deg  kts  kts  %   W/m2   inHg    F    ft   s
202425700001SVNM4   19  80.1 999.9  40  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425700101SVNM4   19  79.3 999.9  30  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425700201SVNM4   19  78.8 999.9  30  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425700301SVNM4   19  78.1 999.9  30  5.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202425700401SVNM4   19  77.5 999.9  40  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425700501SVNM4   19  77.0 999.9  40  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425701001SVNM4   19  76.6 999.9  40  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425701101SVNM4   19  75.9 999.9  40  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425701201SVNM4   19  75.6 999.9  30  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425701301SVNM4   19  75.2 999.9  40  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425701401SVNM4   19  74.8 999.9  40  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425701501SVNM4   19  74.5 999.9  40  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425702001SVNM4   19  74.1 999.9  40  7.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425702101SVNM4   19  73.8 999.9  40  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425702201SVNM4   19  73.4 999.9  40  7.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425702301SVNM4   19  73.2 999.9  40  7.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425702401SVNM4   19  73.2 999.9  50  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425702501SVNM4   19  72.9 999.9  50  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425703001SVNM4   19  72.7 999.9  60  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425703101SVNM4   19  72.5 999.9  60  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425703201SVNM4   19  72.1 999.9  60  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425703301SVNM4   19  72.0 999.9  60  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425703401SVNM4   19  71.8 999.9  50  7.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425703501SVNM4   19  71.2 999.9  50  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425704001SVNM4   19  70.7 999.9  40  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425704101SVNM4   19  70.2 999.9  50  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425704201SVNM4   19  70.2 999.9  60  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425704301SVNM4   19  69.8 999.9  60  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425704401SVNM4   19  70.0 999.9  60  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425704501SVNM4   19  69.8 999.9  70  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425705001SVNM4   19  69.4 999.9  70  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425705101SVNM4   19  69.3 999.9  60  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425705201SVNM4   19  68.9 999.9  70  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425705301SVNM4   19  68.7 999.9  60  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425705401SVNM4   19  68.5 999.9  70  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425705501SVNM4   19  68.4 999.9  80  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425706001SVNM4   19  68.4 999.9  80  7.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425706101SVNM4   19  68.0 999.9  70  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425706201SVNM4   19  68.0 999.9  70  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425706301SVNM4   19  67.8 999.9  60  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425706401SVNM4   19  67.5 999.9  60  7.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425706501SVNM4   19  67.3 999.9  60  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425707001SVNM4   19  66.9 999.9  60  7.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425707101SVNM4   19  66.4 999.9  60  7.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425707201SVNM4   19  65.8 999.9  50  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425707301SVNM4   19  65.5 999.9  60  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425707401SVNM4   19  65.7 999.9  60  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425707501SVNM4   19  65.5 999.9  60  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425708001SVNM4   19  65.3 999.9  60  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425708101SVNM4   19  65.1 999.9  60  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425708201SVNM4   19  64.9 999.9  70  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425708301SVNM4   19  64.6 999.9  70  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425708401SVNM4   19  64.4 999.9  60  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425708501SVNM4   19  64.2 999.9  60  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425709001SVNM4   19  63.7 999.9  60  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425709101SVNM4   19  63.7 999.9  60  8.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425709201SVNM4   19  63.5 999.9  60  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425709301SVNM4   19  63.7 999.9  70  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425709401SVNM4   19  63.7 999.9  70  8.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425709501SVNM4   19  63.7 999.9  70  8.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425710001SVNM4   19  63.5 999.9  70  7.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425710101SVNM4   19  63.3 999.9  70  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425710201SVNM4   19  63.1 999.9  70  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425710301SVNM4   19  63.0 999.9  60  8.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425710401SVNM4   19  62.6 999.9  60  8.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425710501SVNM4   19  62.4 999.9  60  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425711001SVNM4   19  62.4 999.9  70  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425711101SVNM4   19  62.2 999.9  70  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425711201SVNM4   19  62.1 999.9  70  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425711301SVNM4   19  61.9 999.9  70  8.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425711401SVNM4   19  61.9 999.9  70  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425711501SVNM4   19  62.2 999.9  80  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425712001SVNM4   19  62.6 999.9  80  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425712101SVNM4   19  63.1 999.9  80  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425712201SVNM4   19  63.7 999.9  80  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425712301SVNM4   19  63.9 999.9  80  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425712401SVNM4   19  64.0 999.9  80  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425712501SVNM4   19  64.2 999.9  70  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425713001SVNM4   19  64.6 999.9  70  9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202425713101SVNM4   19  64.9 999.9  70 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202425713201SVNM4   19  65.8 999.9  70  9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202425713301SVNM4   19  66.6 999.9  80  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202425713401SVNM4   19  66.9 999.9  70  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202425713501SVNM4   19  67.5 999.9  80  9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202425714001SVNM4   19  68.2 999.9  80  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202425714101SVNM4   19  68.9 999.9  80  8.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425714201SVNM4   19  69.6 999.9  90  8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202425714301SVNM4   19  70.3 999.9  90  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425714401SVNM4   19  71.1 999.9  90  8.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425714501SVNM4   19  71.6 999.9  80  8.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425715001SVNM4   19  72.1 999.9  60  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425715101SVNM4   19  72.9 999.9  70  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425715201SVNM4   19  73.4 999.9  70  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425715301SVNM4   19  73.9 999.9  50  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425715401SVNM4   19  74.8 999.9  60  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425715501SVNM4   19  75.4 999.9  40  7.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425716001SVNM4   19  75.7 999.9  40  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425716101SVNM4   19  77.0 999.9  60  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425716201SVNM4   19  78.3 999.9  30  7.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425716301SVNM4   19  78.3 999.9  40  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425716401SVNM4   19  79.2 999.9  30  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425716501SVNM4   19  80.1 999.9  40  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425717001SVNM4   19  80.4 999.9  70  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425717101SVNM4   19  80.4 999.9  40 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202425717201SVNM4   19  80.8 999.9  40  8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202425717301SVNM4   19  81.5 999.9  70  9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202425717401SVNM4   19  81.7 999.9  60  8.9 15.0 999 9999.9 9999.9 99.9 99.9 99.9
202425717501SVNM4   19  81.3 999.9  60  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202425718001SVNM4   19  82.0 999.9  90  8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202425718101SVNM4   19  82.0 999.9  70  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425718201SVNM4   19  82.0 999.9  60  5.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202425718301SVNM4   19  82.2 999.9  70  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425718401SVNM4   19  82.4 999.9  80  9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202425718501SVNM4   19  82.4 999.9  70  7.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425719001SVNM4   19  82.9 999.9  80  7.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202425719101SVNM4   19  82.9 999.9  90  9.9 16.9 999 9999.9 9999.9 99.9 99.9 99.9
202425719201SVNM4   19  83.1 999.9  70  8.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202425719301SVNM4   19  83.1 999.9  80  8.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202425719401SVNM4   19  83.3 999.9  60  6.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202425719501SVNM4   19  83.3 999.9  70  9.9 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202425720001SVNM4   19  84.0 999.9  60 11.1 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202425720101SVNM4   19  84.0 999.9  60 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202425720201SVNM4   19  83.8 999.9  90  9.9 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202425720301SVNM4   19  83.8 999.9  70  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425720401SVNM4   19  83.7 999.9  60  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425720501SVNM4   19  83.7 999.9  50 13.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202425721001SVNM4   19  83.7 999.9  60 11.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202425721101SVNM4   19  83.3 999.9  90  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425721201SVNM4   19  83.5 999.9  70  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425721301SVNM4   19  83.1 999.9  80  4.1  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425721401SVNM4   19  82.9 999.9  90  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202425721501SVNM4   19  82.8 999.9  90  5.1  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425722001SVNM4   19  82.8 999.9  80  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425722101SVNM4   19  82.9 999.9  80  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425722201SVNM4   19  83.1 999.9  80  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425722301SVNM4   19  82.8 999.9  80  6.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202425722401SVNM4   19  82.9 999.9  80  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202425722501SVNM4   19  82.8 999.9  70  6.0  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202425723001SVNM4   19  82.6 999.9  70  8.0 12.1 999 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
  [every 3rd data value plotted]
139 matching elements
0.044 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
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