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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 5:06 pm CDT on 08/21/2018 (DOY 233 22:06 GMT)
(Updated at about 08,23,38,53 minutes past the hour)
Wind Speed:   17.3 kts   (8.9 m/s)
Max Wind Speed:   19.4 kts   (10.0 m/s)
Wind Direction:   349° (N)
Air Temperature:   72.1 °F   (22.3 °C)
Dew Point:   66.8 °F   (19.3 °C)
Relative Humidity:   82.9 %
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):
Webcams of Chicago courtesy of WXYZ Webcams
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
Spd
kts
Wind
Gust
kts
Peak
Wind
kts
Wind
Dir
deg
Air
Tmp
F
Dew
Pt
F
Rel
Hum
%
20182331700 19.1 20.4 20.4 350 72.3 66.6 81.8
20182331600 22.4 24.7 28.2 352 72.7 66.6 80.8
20182331500 21.8 24.5 26.8 343 72.1 67.4 84.7
20182331400 22.0 24.3 28.6 343 72.0 66.9 83.7
20182331300 25.9 28.6 28.6 358 70.0 65.3 84.8
20182331200 28.0 29.9 33.4 003 71.4 65.7 82.0
20182331100 25.5 26.8 31.9 353 72.3 69.5 90.8
20182331000 10.5 11.3 30.7 313 72.5 68.3 86.4
20182330900 8.4 9.1 15.6 311 72.3 69.4 90.3
20182330800 9.3 9.9 11.1 295 71.2 69.5 94.0
20182330700 6.2 6.8 12.2 283 71.8 69.4 92.0
20182330600 5.8 6.4 8.7 213 72.1 69.0 89.8
20182330500 7.8 8.9 11.9 198 72.0 69.3 91.2
20182330400 8.0 8.9 11.3 182 71.8 70.0 94.0
20182330300 14.2 17.5 17.7 186 72.7 70.6 93.0
20182330200 11.5 12.2 18.7 175 73.6 70.3 89.2
20182330100 13.6 14.8 19.2 185 74.1 70.6 88.5
20182330000 15.2 18.5 18.5 162 73.4 68.2 83.6
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for today's 2-minute data: 20180821.04t.txt, data format (metadata)
      right arrow Click here for past data: 2018 | 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
» GLIN: Great Lakes Information Network