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Realtime Great Lakes Weather Data and Marine Observations

 MCD: Mackinac Island MI                                  
Surface Airways Station
Lat: 45.87°, Lon: -84.64°
Elevation: 226 m
Anemometer Height: 10 m
Related Site: Weather Underground

Current Time: 0515 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 (194)
 (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
202519400166MCD     29  69.8  66.2 240 13.0 99.9   0 9999.9 9999.9 99.9 99.9 99.9
202519400356MCD     29  69.8  66.2 240 14.0 99.9   0 9999.9 9999.9 99.9 99.9 99.9
202519400556MCD     29  69.8  66.2 240 13.0 99.9  50 9999.9 9999.9 99.9 99.9 99.9
202519401156MCD     29  68.0  66.2 250  8.0 99.9  75 9999.9 9999.9 99.9 99.9 99.9
202519401356MCD     29  68.0  66.2 260  9.9 99.9 100 9999.9 9999.9 99.9 99.9 99.9
202519401556MCD     29  68.0  66.2 270  8.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9
202519402156MCD     29  68.0  66.2 280  7.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9
202519402366MCD     29  68.0  66.2 250  5.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9
202519402556MCD     29  68.0  66.2 280  6.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9
202519403156MCD     29  66.2  66.2 280  6.0 99.9  75 9999.9 9999.9 99.9 99.9 99.9
202519403356MCD     29  66.2  66.2 270  5.1 99.9  75 9999.9 9999.9 99.9 99.9 99.9
202519403556MCD     29  66.2  66.2 240  5.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9
202519404156MCD     29  68.0  66.2 260  6.0 99.9 100 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
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This Web page created and maintained by Greg Lang, NOAA/GLERL,
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