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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 4:36 am CDT on 05/24/2016 (DOY 145 09:36 GMT)
(Updated at about 07,22,37,52 minutes past the hour)
Wind Speed:   17.1 kts   (8.8 m/s)
Max Wind Speed:   19.8 kts   (10.2 m/s)
Wind Direction:   214° (SW)
Air Temperature:   69.1 °F   (20.6 °C)
Dew Point:   44.4 °F   (6.9 °C)
Relative Humidity:   40.5 %
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 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 CDT Wind
Speed
kts
Wind
Gust
kts
Peak
Wind
kts
Wind
Dir
deg
Air
Temp
deg F
Dew
Point
deg F
Rel
Hum
%
20161450400 19.4 21.4 22.0 211 69.3 44.3 40.2
20161450300 16.5 17.3 24.1 204 68.7 44.7 41.5
20161450200 14.4 14.8 18.7 186 67.8 44.5 42.5
20161450100 14.6 15.7 17.3 190 69.4 42.1 36.7
20161450000 9.9 10.3 16.3 182 63.5 48.4 57.5
20161442300 10.3 11.9 12.6 161 64.0 47.7 55.0
20161442200 10.5 13.0 13.0 157 62.1 46.8 57.0
20161442100 9.7 11.5 13.2 134 59.7 46.8 61.9
20161442000 18.1 18.9 18.9 101 66.0 39.8 37.8
20161441900 15.9 16.1 19.1 096 72.5 34.7 24.6
20161441800 15.2 15.6 17.7 094 72.9 34.0 23.7
20161441700 13.8 14.2 18.7 095 71.6 34.7 25.4
20161441600 14.0 14.2 15.9 095 71.2 34.8 25.8
20161441500 15.9 16.3 17.9 095 69.3 37.8 31.1
20161441400 15.0 15.2 17.7 104 70.5 35.8 27.6
20161441300 15.7 15.9 17.1 109 67.8 41.0 37.2
20161441200 16.9 17.5 17.5 120 65.1 44.6 47.0
20161441100 17.9 18.3 19.8 124 64.9 44.9 47.7
Note: Peak wind is max wind gust during entire hour

      Click here for today's 2-minute data: 20160524.04t.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