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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 10:36 pm CDT on 09/25/2017 (DOY 269 03:36 GMT)
(Updated at about 08,23,38,53 minutes past the hour)
Wind Speed:   6.2 kts   (3.2 m/s)
Max Wind Speed:   7.0 kts   (3.6 m/s)
Wind Direction:   173° (S)
Air Temperature:   76.6 °F   (24.8 °C)
Dew Point:   66.0 °F   (18.9 °C)
Relative Humidity:   69.2 %
Data & Plots of Previous 3 Hours (2 minute increments)
Data & Plots of Previous 5 Days (hourly increments)
         1 Day Windrose Plot, 5 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
kts 		Wind
Gust
kts 		Peak
Wind
kts 		Wind
Dir
deg 		Air
Temp
deg F 		Dew
Point
deg F 		Rel
Hum
%
20172682200 6.4 7.2 10.5 167 76.5 66.7 71.3
20172682100 6.8 7.6 8.6 171 76.5 67.5 73.4
20172682000 12.8 13.4 13.4 133 79.2 63.0 57.1
20172681900 13.8 14.2 15.4 112 78.8 64.7 61.5
20172681800 15.9 16.3 16.5 107 81.0 61.6 51.1
20172681700 15.2 15.7 16.3 110 80.4 63.4 55.5
20172681600 16.3 16.7 18.3 109 80.4 64.6 58.0
20172681500 16.3 16.9 17.7 107 79.3 66.8 64.9
20172681400 15.4 15.7 17.3 114 79.5 66.2 63.3
20172681300 13.4 13.8 16.3 117 77.9 66.3 67.0
20172681200 11.9 12.2 14.0 132 76.6 65.0 66.8
20172681100 9.1 9.9 12.4 146 75.6 63.9 66.7
20172681000 9.5 10.7 10.7 155 74.3 64.0 69.7
20172680900 9.1 10.9 12.1 159 73.0 62.5 69.2
20172680800 9.5 11.3 12.2 167 73.4 62.6 68.5
20172680700 11.5 12.8 13.8 164 74.8 59.7 58.7
20172680600 14.4 15.0 15.2 188 75.7 57.0 51.6
20172680500 15.2 16.9 19.4 200 78.8 56.3 45.4
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for today's 2-minute data: 20170926.04t.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