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Realtime Great Lakes Weather Data and Marine Observations


ONZ: Detroit/Grosse IleMI                                  
Surface Airways Station
Lat: 42.10°, Lon: -83.16°
Elevation: 180 m
Anemometer Height: 10 m
Related Site: Weather Underground
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 (077)
 (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            C     C  Deg  m/s  m/s  %   W/m2    mb     C    m    s 202504200156ONZ 49 -3.0 -9.0 200 1.5 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504200366ONZ 49 -3.0 -9.0 210 1.5 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504200556ONZ 49 -2.0 -9.0 210 2.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504201156ONZ 49 -3.0 -9.0 220 2.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504201356ONZ 49 -3.0 -9.0 210 2.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504201556ONZ 49 -3.0 -9.0 220 3.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504202156ONZ 49 -3.0 -9.0 230 2.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504202356ONZ 49 -3.0 -9.0 240 2.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504202556ONZ 49 -3.0 -9.0 250 2.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504203166ONZ 49 -3.0 -9.0 250 1.5 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504203356ONZ 49 -4.0 -9.0 260 2.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504203556ONZ 49 -4.0 -9.0 250 1.5 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504204156ONZ 49 -4.0 -8.0 240 1.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504204356ONZ 49 -5.0 -9.0 0 0.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504204556ONZ 49 -5.0 -9.0 260 2.1 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202504205156ONZ 49 -4.0 -8.0 260 2.1 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202504205356ONZ 49 -4.0 -8.0 250 1.5 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202504205566ONZ 49 -5.0 -8.0 260 1.5 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202504206156ONZ 49 -5.0 -8.0 270 1.5 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202504206356ONZ 49 -5.0 -8.0 260 1.5 99.9 25 9999.9 9999.9 99.9 99.9 99.9 202504206556ONZ 49 -5.0 -9.0 270 2.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504207156ONZ 49 -5.0 -8.0 280 1.5 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504207356ONZ 49 -5.0 -8.0 270 1.5 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504207556ONZ 49 -8.0 -10.0 300 1.5 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504208156ONZ 49 -7.0 -9.0 300 1.0 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202504208356ONZ 49 -7.0 -9.0 360 1.5 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504208566ONZ 49 -6.0 -9.0 20 1.0 99.9 25 9999.9 9999.9 99.9 99.9 99.9 202504209156ONZ 49 -7.0 -9.0 20 0.5 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504209356ONZ 49 -7.0 -9.0 20 0.5 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504209556ONZ 49 -7.0 -10.0 170 0.5 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504210156ONZ 49 -8.0 -10.0 360 1.5 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504210356ONZ 49 -8.0 -10.0 10 1.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504210556ONZ 49 -6.0 -10.0 10 1.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504211156ONZ 49 -7.0 -9.0 350 2.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504211366ONZ 49 -6.0 -9.0 10 1.0 99.9 25 9999.9 9999.9 99.9 99.9 99.9 202504211566ONZ 49 -6.0 -9.0 20 0.5 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202504212156ONZ 49 -6.0 -10.0 60 1.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504212356ONZ 49 -6.0 -9.0 90 1.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504212556ONZ 49 -5.0 -9.0 60 1.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504213156ONZ 49 -5.0 -9.0 90 2.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504213356ONZ 49 -5.0 -9.0 80 2.6 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504213556ONZ 49 -5.0 -9.0 60 2.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504214156ONZ 49 -5.0 -9.0 80 1.5 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504214356ONZ 49 -4.0 -9.0 50 2.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504214556ONZ 49 -4.0 -9.0 40 2.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504215166ONZ 49 -3.0 -8.0 10 2.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504215366ONZ 49 -3.0 -9.0 360 2.6 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504215556ONZ 49 -3.0 -8.0 340 3.6 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202504216156ONZ 49 -3.0 -10.0 350 4.6 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202504216356ONZ 49 -3.0 -10.0 340 4.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504216556ONZ 49 -2.0 -10.0 340 3.6 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202504217156ONZ 49 -2.0 -11.0 50 3.1 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202504217356ONZ 49 -2.0 -11.0 30 3.1 99.9 25 9999.9 9999.9 99.9 99.9 99.9 202504217556ONZ 49 -2.0 -11.0 40 3.6 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202504218166ONZ 49 -1.0 -11.0 70 3.6 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504218356ONZ 49 -1.0 -11.0 70 4.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504218556ONZ 49 -2.0 -12.0 60 3.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504219156ONZ 49 -1.0 -10.0 60 4.6 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202504219356ONZ 49 -1.0 -10.0 50 4.6 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504219556ONZ 49 -1.0 -11.0 50 4.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504220156ONZ 49 -1.0 -11.0 50 3.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504220356ONZ 49 -1.0 -12.0 60 3.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504220556ONZ 49 -1.0 -11.0 50 3.6 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504221156ONZ 49 -1.0 -11.0 40 3.6 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504221366ONZ 49 -1.0 -10.0 60 3.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504221566ONZ 49 -2.0 -10.0 80 3.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504222156ONZ 49 -2.0 -10.0 70 2.6 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504222356ONZ 49 -2.0 -10.0 70 3.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504222556ONZ 49 -3.0 -10.0 60 3.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504223156ONZ 49 -3.0 -10.0 60 2.6 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504223356ONZ 49 -4.0 -10.0 40 2.6 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504223556ONZ 49 -4.0 -10.0 40 3.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9
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