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Realtime Great Lakes Weather Data and Marine Observations


YHM: Hamilton ONT                                  
Surface Airways Station
Lat: 43.17°, Lon: -79.93°
Elevation: 237 m

Current Time: 1604 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 (198)
 (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):  
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 202519800006YHM 59 80.6 71.6 180 11.1 99.9 100 9999.9 29.86 99.9 99.9 99.9 202519801006YHM 59 73.4 73.4 170 8.0 99.9 100 9999.9 29.85 99.9 99.9 99.9 202519802006YHM 59 71.6 71.6 180 5.1 99.9 100 9999.9 29.85 99.9 99.9 99.9 202519803006YHM 59 71.6 71.6 180 4.1 99.9 75 9999.9 29.82 99.9 99.9 99.9 202519804006YHM 59 71.6 71.6 160 8.0 99.9 25 9999.9 29.79 99.9 99.9 99.9 202519805006YHM 59 71.6 71.6 180 6.0 99.9 100 9999.9 29.79 99.9 99.9 99.9 202519806006YHM 59 73.4 73.4 180 7.0 99.9 25 9999.9 29.77 99.9 99.9 99.9 202519807006YHM 59 73.4 73.4 190 8.0 99.9 75 9999.9 29.75 99.9 99.9 99.9 202519808006YHM 59 73.4 73.4 170 7.0 99.9 100 9999.9 29.73 99.9 99.9 99.9 202519809006YHM 59 73.4 73.4 200 8.9 99.9 100 9999.9 29.72 99.9 99.9 99.9 202519810006YHM 59 75.2 75.2 200 9.9 99.9 100 9999.9 29.71 99.9 99.9 99.9 202519811006YHM 59 75.2 75.2 220 12.1 99.9 75 9999.9 29.71 99.9 99.9 99.9 202519812006YHM 59 75.2 75.2 220 14.0 99.9 75 9999.9 29.70 99.9 99.9 99.9 202519812006YHM 59 999.9 999.9 220 14.0 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202519813006YHM 59 75.2 73.4 220 15.0 99.9 100 9999.9 29.70 99.9 99.9 99.9 202519814006YHM 59 75.2 73.4 230 15.0 99.9 75 9999.9 29.72 99.9 99.9 99.9 202519815006YHM 59 75.2 73.4 240 15.0 99.9 75 9999.9 29.73 99.9 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
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