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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 8:50 pm CDT on 10/17/2017 (DOY 291 01:50 GMT)
(Updated at about 08,23,38,53 minutes past the hour)
Wind Speed:   14.8 kts   (7.6 m/s)
Max Wind Speed:   16.7 kts   (8.6 m/s)
Wind Direction:   193° (SSW)
Air Temperature:   64.2 °F   (17.9 °C)
Dew Point:   43.4 °F   (6.3 °C)
Relative Humidity:   46.3 %
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):
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
%
20172902000 16.5 18.3 19.4 206 65.7 42.8 42.9
20172901900 15.6 17.5 20.4 200 67.1 43.0 41.2
20172901800 12.8 14.4 19.4 209 68.2 44.6 42.2
20172901700 17.7 20.8 25.1 225 69.6 39.8 33.3
20172901600 14.4 18.1 26.6 228 69.4 40.6 34.5
20172901500 23.5 28.0 28.0 219 68.7 40.2 34.9
20172901400 19.8 24.5 28.4 220 67.6 41.8 38.5
20172901300 19.2 26.8 27.8 230 66.2 41.7 40.4
20172901200 18.7 23.1 25.7 235 63.7 42.3 45.3
20172901100 16.7 20.2 28.6 227 61.5 41.9 48.1
20172901000 21.4 24.5 28.4 221 58.3 42.3 54.9
20172900900 25.7 30.1 30.1 220 56.1 42.4 59.6
20172900800 22.2 26.6 28.6 213 53.8 41.2 62.0
20172900700 22.6 25.5 27.6 215 55.2 40.6 57.6
20172900600 21.6 24.3 27.4 221 57.0 39.7 52.0
20172900500 19.6 22.2 27.2 226 57.7 38.2 47.7
20172900400 21.0 22.6 25.1 208 56.3 39.5 53.0
20172900300 17.7 19.6 22.2 201 55.9 41.1 57.2
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for today's 2-minute data: 20171018.04t.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