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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 10:20 pm CDT on 06/26/2017 (DOY 178 03:20 GMT)
(Updated at about 08,23,38,53 minutes past the hour)
Wind Speed:   13.6 kts   (7.0 m/s)
Max Wind Speed:   15.2 kts   (7.8 m/s)
Wind Direction:   312° (NW)
Air Temperature:   63.1 °F   (17.3 °C)
Dew Point:   46.2 °F   (7.9 °C)
Relative Humidity:   53.5 %
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 Camera 1]
[Live Webcam Image from Chicago, IL Met Station Camera 2]
[Live Webcam Image from Chicago, IL Met Station Camera 3]
6-hr animations: 1  2  3
Previous 48 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 CDT Wind
Speed
m/s
Wind
Gust
m/s
Peak
Wind
m/s
Wind
Dir
deg
Air
Temp
deg C
Dew
Point
deg C
Rel
Hum
%
20171772200 6.3 7.1 7.8 310 17.4 8.3 54.8
20171772100 8.3 9.1 9.1 311 17.8 7.7 51.2
20171772000 10.1 11.3 11.3 328 18.1 7.3 48.9
20171771900 10.8 13.1 13.4 324 18.2 7.8 50.2
20171771800 9.8 10.8 12.4 337 19.2 7.5 46.3
20171771700 6.6 7.8 11.6 337 20.0 7.6 44.2
20171771600 10.8 12.0 14.0 309 20.6 4.5 34.2
20171771500 11.3 12.4 13.9 303 20.6 4.6 34.5
20171771400 12.9 15.5 15.9 282 20.4 5.4 36.9
20171771300 9.3 10.6 14.4 274 20.1 5.6 38.3
20171771200 7.5 9.0 14.7 299 19.4 8.0 47.2
20171771100 10.8 12.4 13.6 275 19.3 6.7 43.5
20171771000 6.3 7.1 12.5 280 18.8 7.6 47.7
20171770900 3.7 5.0 9.3 272 18.0 8.3 52.7
20171770800 4.0 4.3 6.1 255 16.6 9.7 63.3
20171770700 5.3 5.8 5.9 269 15.4 10.0 69.8
20171770600 7.0 7.8 8.2 267 15.2 10.3 72.2
20171770500 5.9 6.2 8.3 271 15.3 10.4 72.2
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for today's 2-minute data: 20170627.04t.txt, data format (metadata)
      right arrow Click here for past data: 2017 | 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