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Chicago, IL  (CHII2)  Harrison-Dever Crib, approx. 2.75 miles offshore

See Metadata File for full description of instruments and parameters, as well as site maps.
Conditions at 9:36 pm CST on 12/08/2016 (DOY 344 03:36 GMT)
(Updated at about 07,22,37,52 minutes past the hour)
Wind Speed:   18.5 kts   (9.5 m/s)
Max Wind Speed:   21.2 kts   (10.9 m/s)
Wind Direction:   277° (W)
Air Temperature:   26.1 °F   (-3.3 °C)
Wind Chill:   11.8 °F   (-11.2 °C)
Dew Point:   18.1 °F   (-7.7 °C)
Relative Humidity:   71.5 %
Data & Plots of Previous 3 Hours (2 minute increments)
Data & Plots of Previous 5 Days (hourly increments)
         1 Day Windrose Plot5 Day Windrose Plot(explanation)         
Click on image to enlarge
(images updated 6X per hour)
Webcam Location & Info
[Live Webcam Image from Chicago, IL Met Station] [Live Webcam Image from Chicago, IL Met Station] [Live Webcam Image from Chicago, IL Met Station]
6-hr animations: 1  2  3

Previous 24 images
(top of hour only): 1  2  3

All Images (past 14 days)

Nearby Webcams (external sites):
Chicago, facing east courtesy of LakeVision.com
Loyola University Lake Shore Campus
Loop and Lake Michigan courtesy of ABC News

------------- Previous 18 Hours (at top of hour)  [English] [Metric] -------------
YEARDOY CST Wind
Speed
kts
Wind
Gust
kts
Peak
Wind
kts
Wind
Dir
deg
Air
Temp
deg F
Dew
Point
deg F
Rel
Hum
%
20163432100 20.0 23.3 24.9 279 25.9 16.9 68.5
20163432000 18.3 21.0 27.0 287 25.3 16.0 67.5
20163431900 18.3 21.0 27.6 288 25.2 16.9 70.7
20163431800 22.0 28.2 28.2 281 24.6 16.4 70.6
20163431700 20.4 23.7 30.7 285 24.1 16.2 71.6
20163431600 23.1 25.7 28.6 281 23.4 15.7 72.3
20163431500 23.7 26.6 29.4 277 22.3 15.4 74.5
20163431400 25.1 29.4 31.3 273 21.6 14.6 74.4
20163431300 23.9 26.6 33.4 268 21.0 13.6 72.8
20163431200 26.0 29.4 33.8 270 20.1 12.2 71.0
20163431100 26.8 31.1 32.7 260 19.8 12.5 73.3
20163431000 25.9 30.1 32.7 278 18.9 11.0 71.1
20163430900 25.3 27.8 33.6 284 18.5 11.1 72.5
20163430800 26.8 30.3 33.8 273 18.9 11.0 71.0
20163430700 24.7 28.0 33.0 272 22.1 14.2 71.5
20163430600 24.5 27.6 30.3 265 22.3 13.3 68.2
20163430500 21.8 26.4 32.1 265 23.4 14.5 68.6
20163430400 22.6 25.3 34.6 276 23.5 12.9 63.4
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for today's 2-minute data: 20161209.04t.txt, data format (metadata)
      right arrow Click here for past data: 2016 | Archive

Access current marine observations on your mobile device. See NDBC's mobile access page.
These data are also available from NDBC website and NDBC's Dial-a-Buoy Program.
See also NWS Marine Forecast for this area, and NWS Recreational Beach Forecast

Realtime Data Disclaimer
Special thanks to City of Chicago, IL / Water Department, USACE

Additional Great Lakes Meteorological Observations

» NWS, Grand Rapids Office: Near-Realtime Marine Weather, includes current conditions and forecasts
» NWS, White Lake Office: Near-Realtime Marine Weather, includes current conditions and forecasts
» NDBC Great Lakes ImageMap showing U.S. and Canadian Buoys and C-MAN Stations
» NOAA CoastWatch Great Lakes NOAAPORT Data, includes all station types
» NOAA's NowCoast: Web mapping portal to real-time coastal observations
» Winds courtesy of iWindsurf.com
» NWS Great Lakes Marine Text Forecasts by Zone
» Links to Great Lakes Water Temperature, Wind/Wave Data, & Water Levels
» Additional Great Lakes WebCams from GLIN
» GLIN: Great Lakes Information Network