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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


Current Time: 2259 GMT
Station Types
(Click on name to view all stations for that type)
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Red MarkerCMAN & USCG Stations
Yellow MarkerShip Reports
Green MarkerSurface Airways Stations

  Change Units to: English | Metric
 Enter New DOY (001-366):  Or Today (042)
 (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 202504200156ONZ 49 26.6 15.8 200 2.9 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504200366ONZ 49 26.6 15.8 210 2.9 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504200556ONZ 49 28.4 15.8 210 4.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504201156ONZ 49 26.6 15.8 220 4.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504201356ONZ 49 26.6 15.8 210 4.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504201556ONZ 49 26.6 15.8 220 6.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504202156ONZ 49 26.6 15.8 230 4.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504202356ONZ 49 26.6 15.8 240 4.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504202556ONZ 49 26.6 15.8 250 4.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504203166ONZ 49 26.6 15.8 250 2.9 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504203356ONZ 49 24.8 15.8 260 4.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504203556ONZ 49 24.8 15.8 250 2.9 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504204156ONZ 49 24.8 17.6 240 1.9 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504204356ONZ 49 23.0 15.8 0 0.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504204556ONZ 49 23.0 15.8 260 4.1 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202504205156ONZ 49 24.8 17.6 260 4.1 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202504205356ONZ 49 24.8 17.6 250 2.9 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202504205566ONZ 49 23.0 17.6 260 2.9 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202504206156ONZ 49 23.0 17.6 270 2.9 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202504206356ONZ 49 23.0 17.6 260 2.9 99.9 25 9999.9 9999.9 99.9 99.9 99.9 202504206556ONZ 49 23.0 15.8 270 4.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504207156ONZ 49 23.0 17.6 280 2.9 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504207356ONZ 49 23.0 17.6 270 2.9 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504207556ONZ 49 17.6 14.0 300 2.9 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504208156ONZ 49 19.4 15.8 300 1.9 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202504208356ONZ 49 19.4 15.8 360 2.9 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504208566ONZ 49 21.2 15.8 20 1.9 99.9 25 9999.9 9999.9 99.9 99.9 99.9 202504209156ONZ 49 19.4 15.8 20 1.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504209356ONZ 49 19.4 15.8 20 1.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504209556ONZ 49 19.4 14.0 170 1.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504210156ONZ 49 17.6 14.0 360 2.9 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504210356ONZ 49 17.6 14.0 10 1.9 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504210556ONZ 49 21.2 14.0 10 1.9 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504211156ONZ 49 19.4 15.8 350 4.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504211366ONZ 49 21.2 15.8 10 1.9 99.9 25 9999.9 9999.9 99.9 99.9 99.9 202504211566ONZ 49 21.2 15.8 20 1.0 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202504212156ONZ 49 21.2 14.0 60 1.9 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504212356ONZ 49 21.2 15.8 90 1.9 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504212556ONZ 49 23.0 15.8 60 1.9 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504213156ONZ 49 23.0 15.8 90 4.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504213356ONZ 49 23.0 15.8 80 5.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504213556ONZ 49 23.0 15.8 60 4.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504214156ONZ 49 23.0 15.8 80 2.9 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504214356ONZ 49 24.8 15.8 50 4.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504214556ONZ 49 24.8 15.8 40 4.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504215166ONZ 49 26.6 17.6 10 4.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504215366ONZ 49 26.6 15.8 360 5.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504215556ONZ 49 26.6 17.6 340 7.0 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202504216156ONZ 49 26.6 14.0 350 8.9 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202504216356ONZ 49 26.6 14.0 340 8.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504216556ONZ 49 28.4 14.0 340 7.0 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202504217156ONZ 49 28.4 12.2 50 6.0 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202504217356ONZ 49 28.4 12.2 30 6.0 99.9 25 9999.9 9999.9 99.9 99.9 99.9 202504217556ONZ 49 28.4 12.2 40 7.0 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202504218166ONZ 49 30.2 12.2 70 7.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504218356ONZ 49 30.2 12.2 70 8.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504218556ONZ 49 28.4 10.4 60 6.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202504219156ONZ 49 30.2 14.0 60 8.9 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202504219356ONZ 49 30.2 14.0 50 8.9 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504219556ONZ 49 30.2 12.2 50 8.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504220156ONZ 49 30.2 12.2 50 6.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504220356ONZ 49 30.2 10.4 60 6.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504220556ONZ 49 30.2 12.2 50 7.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504221156ONZ 49 30.2 12.2 40 7.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504221366ONZ 49 30.2 14.0 60 6.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504221566ONZ 49 28.4 14.0 80 6.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202504222156ONZ 49 28.4 14.0 70 5.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9
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