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Realtime Great Lakes Weather Data and Marine Observations

 OKSI2: CPD Oak St Chi IL                                  
CMAN Station
Lat: 41.91°, Lon: -87.62°
Elevation: 179 m
Related Site: NDBC
Related Site: Chicago Park District

Current Time: 1554 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 (087)
 (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):  
Additional Data Archive: NDBC Historical Data

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
202508700001OKSI2   19  50.0 999.9 110  7.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202508701001OKSI2   19  51.4 999.9 120  6.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202508702001OKSI2   19  50.0 999.9 110  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202508703001OKSI2   19  50.2 999.9 110  8.0 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202508704001OKSI2   19  48.7 999.9 110  8.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202508705001OKSI2   19  49.3 999.9 120  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202508706001OKSI2   19  48.2 999.9 120  8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202508707001OKSI2   19  51.4 999.9 120  2.9  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202508708001OKSI2   19  53.2 999.9 110  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202508709001OKSI2   19  52.3 999.9 120  6.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202508710001OKSI2   19  48.9 999.9 350  2.9  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202508711001OKSI2   19  48.2 999.9  10  1.9  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202508712001OKSI2   19  47.5 999.9 110  2.9  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202508713001OKSI2   19  51.6 999.9 110  8.9 15.0 999 9999.9 9999.9 99.9 99.9 99.9
202508714001OKSI2   19  48.2 999.9 120  1.9  6.0 999 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
15 matching elements
0.016 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
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