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Realtime Great Lakes Weather Data and Marine Observations

 HLNM4: NOS Holland MI                                  
CMAN Station
Lat: 42.77°, Lon: -86.20°
Elevation: 178 m
Anemometer Height: 10 m
Related Site: NDBC
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
202425700001HLNM4   19  26.1 999.9  60  1.0  2.1 999 9999.9 1016.9 20.9 99.9 99.9             
202425700061HLNM4   19  25.8 999.9  80  0.5  1.5 999 9999.9 1016.9 21.0 99.9 99.9             
202425700121HLNM4   19  25.4 999.9   0  0.0  1.0 999 9999.9 1017.0 21.1 99.9 99.9             
202425700181HLNM4   19  25.2 999.9   0  0.0  1.0 999 9999.9 1017.1 21.1 99.9 99.9             
202425700241HLNM4   19  25.0 999.9  60  1.0  1.0 999 9999.9 1017.1 21.1 99.9 99.9             
202425700301HLNM4   19  24.7 999.9  60  1.0  1.5 999 9999.9 1017.2 21.0 99.9 99.9             
202425700361HLNM4   19  24.3 999.9  70  0.5  1.0 999 9999.9 1017.2 20.9 99.9 99.9             
202425700421HLNM4   19  24.0 999.9  70  0.5  1.0 999 9999.9 1017.2 20.9 99.9 99.9             
202425700481HLNM4   19  23.8   3.1  70  0.5  1.0 999 9999.9 1017.3 20.8 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
google chart
9 matching elements
0.005 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
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