Skip to main content

Realtime Great Lakes Weather Data and Marine Observations


MDW: Midway AP Chi IL                                  
Surface Airways Station
Lat: 41.78°, Lon: -87.76°
Elevation: 188 m
Anemometer Height: 10 m
Related Site: Weather Underground
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 (050)
 (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 202501400536MDW 19 -9.0 -16.0 260 4.6 99.9 0 9999.9 1024.6 99.9 99.9 99.9 202501401536MDW 19 -9.0 -16.0 250 5.1 99.9 0 9999.9 1025.0 99.9 99.9 99.9 202501402536MDW 19 -9.0 -16.0 250 4.1 99.9 0 9999.9 1025.1 99.9 99.9 99.9 202501403536MDW 19 -10.0 -16.0 240 4.1 99.9 0 9999.9 1024.9 99.9 99.9 99.9 202501404536MDW 19 -10.0 -16.0 230 3.1 99.9 25 9999.9 1025.2 99.9 99.9 99.9 202501405536MDW 19 -9.0 -14.0 230 4.1 99.9 100 9999.9 1024.8 99.9 99.9 99.9 202501406536MDW 19 -10.0 -15.0 220 4.1 99.9 75 9999.9 1024.5 99.9 99.9 99.9 202501407536MDW 19 -10.0 -14.0 230 4.1 99.9 75 9999.9 1024.2 99.9 99.9 99.9 202501408536MDW 19 -9.0 -14.0 240 3.1 99.9 100 9999.9 1023.6 99.9 99.9 99.9 202501409536MDW 19 -9.0 -14.0 240 3.6 99.9 100 9999.9 1022.9 99.9 99.9 99.9 202501410536MDW 19 -9.0 -13.0 220 3.6 99.9 100 9999.9 1023.1 99.9 99.9 99.9 202501411536MDW 19 -9.0 -12.0 230 2.6 99.9 100 9999.9 1022.9 99.9 99.9 99.9 202501412536MDW 19 -9.0 -12.0 260 3.1 99.9 100 9999.9 1023.1 99.9 99.9 99.9 202501413536MDW 19 -8.0 -11.0 300 4.6 99.9 100 9999.9 1023.5 99.9 99.9 99.9 202501414536MDW 19 999.9 999.9 330 7.2 99.9 999 9999.9 1024.8 99.9 99.9 99.9 202501415536MDW 19 -11.0 -16.0 330 6.2 99.9 75 9999.9 1026.6 99.9 99.9 99.9 202501416536MDW 19 -11.0 -18.0 320 7.2 99.9 25 9999.9 1027.5 99.9 99.9 99.9

Wrong number of values: 14
202501417476SAW 09 - 3.0 4V.0 340 7.7 99.9 75 9999.9 9999.9 99.9 99.9 99.9

Array ( [0] => 202501417476SAW [1] => 09 [2] => - [3] => 3.0 [4] => 4V.0 [5] => 340 [6] => 7.7 [7] => 99.9 [8] => 75 [9] => 9999.9 [10] => 9999.9 [11] => 99.9 [12] => 99.9 [13] => 99.9 )