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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 12:20 pm CDT on 06/30/2016 (DOY 182 17:20 GMT)
(Updated at about 07,22,37,52 minutes past the hour)
Wind Speed:   10.3 kts   (5.3 m/s)
Max Wind Speed:   11.9 kts   (6.1 m/s)
Wind Direction:   203° (SSW)
Air Temperature:   75.0 °F   (23.9 °C)
Dew Point:   52.4 °F   (11.3 °C)
Relative Humidity:   44.6 %
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
%
20161821200 6.8 8.0 14.2 138 73.9 58.8 58.6
20161821100 7.8 8.7 10.1 189 73.8 51.0 44.3
20161821000 9.3 11.1 13.4 197 73.0 52.8 48.5
20161820900 8.7 9.3 11.5 197 72.1 53.3 50.9
20161820800 10.3 10.9 10.9 201 70.5 52.1 51.5
20161820700 7.4 8.4 11.3 210 69.6 53.2 55.4
20161820600 10.1 10.7 11.5 204 69.6 49.3 47.9
20161820500 4.9 6.6 10.7 215 70.3 46.6 42.2
20161820400 10.7 11.5 11.7 207 69.4 49.8 49.1
20161820300 10.7 11.7 13.8 207 70.0 49.0 46.8
20161820200 9.7 9.9 13.2 196 70.5 48.2 44.5
20161820100 7.4 8.2 12.1 202 71.1 50.0 46.8
20161820000 5.2 5.4 8.7 180 69.4 61.1 74.5
20161812300 4.5 5.1 6.4 164 69.4 58.8 68.5
20161812200 6.0 6.4 8.6 171 69.6 57.0 63.8
20161812100 9.1 10.5 12.1 153 69.3 57.7 66.2
20161812000 5.6 7.0 9.7 154 70.7 56.4 60.1
20161811900 8.0 8.6 8.6 121 69.6 57.4 64.6
Note: Peak wind is max wind gust during entire hour

      Click here for today's 2-minute data: 20160630.04t.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