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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 1:50 am CST on 01/18/2017 (DOY 018 07:50 GMT)
(Updated at about 07,22,37,52 minutes past the hour)
Wind Speed:   12.2 kts   (6.3 m/s)
Max Wind Speed:   15.0 kts   (7.7 m/s)
Wind Direction:   269° (W)
Air Temperature:   36.3 °F   (2.4 °C)
Wind Chill:   27.4 °F   (-2.5 °C)
Dew Point:   34.6 °F   (1.5 °C)
Relative Humidity:   93.5 %
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
%
20170180100 12.4 14.8 16.1 274 36.5 35.0 94.2
20170180000 15.2 16.5 17.7 282 36.3 34.5 93.2
20170172300 15.6 17.1 20.0 275 37.0 35.1 92.5
20170172200 13.8 14.8 18.9 267 36.9 35.1 93.3
20170172100 11.7 13.2 19.6 259 36.9 35.8 95.7
20170172000 14.2 16.9 17.7 262 37.0 36.1 96.4
20170171900 15.0 16.7 19.1 259 37.2 36.1 95.6
20170171800 15.4 17.9 19.1 258 37.6 36.7 96.4
20170171700 16.9 19.1 21.6 258 38.7 36.7 92.4
20170171600 15.0 17.1 18.9 255 39.0 37.2 93.2
20170171500 12.2 13.4 20.2 265 39.4 37.2 91.9
20170171400 11.1 13.0 18.5 246 39.9 37.9 92.3
20170171300 8.6 9.1 14.6 254 39.7 38.0 93.4
20170171200 10.3 12.1 15.7 265 40.3 38.4 93.0
20170171100 12.1 13.0 15.4 279 39.9 39.5 98.3
20170171000 10.9 12.1 15.6 259 38.8 38.8 99.9
20170170900 10.9 12.1 14.6 265 38.1 38.1 99.9
20170170800 15.0 16.3 18.5 261 38.5 38.5 99.9
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for today's 2-minute data: 20170118.04t.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