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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 2:15 am CDT on 08/04/2015 (DOY 216 07:15 GMT)
(Updated at about 03,18,33,48 minutes past the hour)
Wind Speed:   8.2 kts   (4.2 m/s)
Max Wind Speed:   8.9 kts   (4.6 m/s)
Wind Direction:   282° (WNW)
Air Temperature:   71.2 °F   (21.8 °C)
Plot & Data of Previous 3 Hours (5 minute increments)
Plot of Previous 5 Days (hourly increments)
1-Day Windrose Plot, 5-Day Windrose Plot, (explanation)

Click on image to enlarge (image updated 6X per hour)
Webcam Location & Info
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[Live Webcam Image from Chicago, IL Met Station]

6-hr animations

Previous 24 Webcam Images (top of hour only)

Nearby Webcams (external sites):
Chicago, facing east courtesy of LakeVision.com
Loyola University Lake Shore Campus
Looking Downtown Chicago courtesy of MW hazecam

-------- Previous 18 Hours (at top of hour)  [English] [Metric] --------
YEARDOY CDT WIND
SPD
kts
WIND
GUST
kts
PEAK
WIND
kts
WIND
DIR
deg
AIR
TEMP
deg F
20152160200 9.5 10.7 10.7 292 71.2
20152160100 12.1 14.0 14.0 292 72.7
20152160000 10.7 12.6 14.6 267 73.8
20152152300 12.2 13.4 14.6 261 75.2
20152152200 9.3 10.1 15.7 274 76.3
20152152100 10.7 11.9 11.9 295 76.6
20152152000 14.6 17.7 17.7 301 77.5
20152151900 12.6 15.2 20.2 286 78.4
20152151800 12.1 16.7 24.5 291 78.6
20152151700 15.7 18.7 19.1 290 78.6
20152151600 14.6 17.5 22.0 292 78.1
20152151500 7.2 10.5 19.8 336 77.4
20152151400 14.6 16.1 18.3 320 76.6
20152151300 7.8 9.7 18.3 006 72.7
20152151200 10.7 13.2 14.0 001 71.6
20152151100 10.7 11.9 12.8 001 70.7
20152151000 10.7 11.9 12.8 343 70.0
20152150900 12.8 15.0 17.5 329 70.5
Note: Peak wind is max wind gust during entire hour

      Click here for today's 5-minute data: 20150804.04t.txt, data format (metadata)
      Click here for past data: 2015 | Archive

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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