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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: 0543 GMT
Station Types
(Click on name to view all stations for that type)
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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 (170)
 (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 202516900001SVNM4 19 78.1 999.9 160 11.1 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516900101SVNM4 19 77.2 999.9 170 9.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516900201SVNM4 19 76.5 999.9 160 9.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516900301SVNM4 19 76.3 999.9 160 9.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516900401SVNM4 19 77.4 999.9 160 11.1 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516900501SVNM4 19 78.1 999.9 160 12.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202516901001SVNM4 19 78.4 999.9 160 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202516901101SVNM4 19 80.1 999.9 160 11.1 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516901201SVNM4 19 81.9 999.9 150 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516901301SVNM4 19 82.0 999.9 160 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202516901401SVNM4 19 82.2 999.9 150 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202516901501SVNM4 19 82.9 999.9 150 8.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202516902001SVNM4 19 82.9 999.9 140 7.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202516902101SVNM4 19 82.9 999.9 150 7.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202516902201SVNM4 19 82.9 999.9 140 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202516902301SVNM4 19 82.0 999.9 130 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516902401SVNM4 19 80.8 999.9 120 8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516902501SVNM4 19 80.6 999.9 110 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202516903001SVNM4 19 80.1 999.9 120 9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202516903101SVNM4 19 79.5 999.9 120 9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202516903201SVNM4 19 79.5 999.9 120 9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202516903301SVNM4 19 79.5 999.9 130 8.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202516903401SVNM4 19 75.2 999.9 220 4.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516903501SVNM4 19 75.0 999.9 250 6.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516904001SVNM4 19 72.7 999.9 10 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202516904101SVNM4 19 73.2 999.9 320 2.9 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202516904201SVNM4 19 72.7 999.9 290 11.1 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516904301SVNM4 19 73.6 999.9 310 2.9 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202516904401SVNM4 19 73.8 999.9 20 2.9 2.9 999 9999.9 9999.9 99.9 99.9 99.9 202516904501SVNM4 19 74.7 999.9 20 2.9 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202516905001SVNM4 19 75.2 999.9 50 1.9 2.9 999 9999.9 9999.9 99.9 99.9 99.9
  New Graph (click on parameter):                                      
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