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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 7:20 pm CST on 02/08/2016 (DOY 040 01:20 GMT)
(Updated at about 07,22,37,52 minutes past the hour)
Wind Speed:   15.2 kts   (7.8 m/s)
Max Wind Speed:   17.1 kts   (8.8 m/s)
Wind Direction:   281° (W)
Air Temperature:   27.9 °F   (-2.3 °C)
Wind Chill:   15.4 °F   (-9.2 °C)
Dew Point:   21.1 °F   (-6.1 °C)
Relative Humidity:   75.5 %
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
(image updated 6X per hour)
Webcam Location & Info
[Live Webcam Image from Chicago, IL Met Station]

6-hr animations

Previous 24 Webcam Images (top of hour only)

All Images (past 7 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
%
20160391900 11.9 14.0 18.5 281 28.0 22.9 80.7
20160391800 18.3 19.4 20.6 296 28.4 21.0 73.5
20160391700 13.4 14.8 18.3 283 28.9 21.6 73.7
20160391600 14.4 15.9 17.7 286 29.1 22.5 75.9
20160391500 17.3 19.1 19.1 282 28.6 24.6 84.7
20160391400 13.8 15.4 20.2 294 28.9 24.1 82.0
20160391300 16.7 17.9 21.2 274 29.7 23.7 78.3
20160391200 17.3 19.1 19.6 287 30.2 23.6 76.3
20160391100 13.6 15.0 19.1 281 31.1 24.2 75.2
20160391000 16.3 18.1 20.4 272 31.1 23.6 73.4
20160390900 17.5 19.4 20.4 269 31.6 24.4 74.4
20160390800 12.2 13.4 20.8 294 31.3 28.3 88.7
20160390700 11.9 14.4 21.6 256 33.1 30.1 88.6
20160390600 12.4 13.6 15.7 261 33.3 29.8 87.1
20160390500 12.6 14.2 17.9 251 33.6 28.9 82.7
20160390400 11.9 12.8 15.9 261 33.8 28.8 81.8
20160390300 14.8 16.5 16.5 263 34.3 28.4 78.7
20160390200 14.8 16.5 18.9 254 35.6 28.2 74.1
Note: Peak wind is max wind gust during entire hour

      Click here for today's 2-minute data: 20160209.04t.txt, data format (metadata)
      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 / WES.

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
» Detailed Winds and WebCams courtesy of iWindsurf.com
» NWS Great Lakes Marine Text Forecasts by Zone
» Links to Great Lakes Water Temperature, Wind/Wave Data, & Water Levels
» Additional GLERL WebCams
» Additional Great Lakes WebCams from GLIN
» GLIN: Great Lakes Information Network