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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 3:06 pm CDT on 10/21/2018 (DOY 294 20:06 GMT)
(Updated at about 08,23,38,53 minutes past the hour)
Wind Speed:   14.0 kts   (7.2 m/s)
Max Wind Speed:   16.7 kts   (8.6 m/s)
Wind Direction:   215° (SW)
Air Temperature:   47.5 °F   (8.6 °C)
Dew Point:   23.7 °F   (-4.6 °C)
Relative Humidity:   38.8 %
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):
Webcams of Chicago courtesy of WXYZ Webcams
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
Spd
kts 		Wind
Gust
kts 		Peak
Wind
kts 		Wind
Dir
deg 		Air
Tmp
F 		Dew
Pt
F 		Rel
Hum
%
20182941500 19.8 21.4 21.4 218 47.1 21.4 35.7
20182941400 11.5 14.4 23.3 239 45.9 22.3 39.0
20182941300 14.0 17.1 19.6 230 43.5 19.5 37.9
20182941200 10.5 12.2 17.7 252 41.7 20.8 42.8
20182941100 9.1 10.5 12.2 255 39.2 20.6 46.9
20182941000 10.3 11.5 13.0 269 37.0 21.0 52.0
20182940900 7.4 8.4 12.2 271 35.8 23.0 59.3
20182940800 7.0 8.2 10.5 286 34.9 24.6 65.7
20182940700 9.9 11.9 12.2 292 34.5 22.9 62.3
20182940600 10.9 12.4 14.6 287 34.5 23.2 63.0
20182940500 13.6 15.0 15.7 295 34.7 23.7 63.7
20182940400 15.0 16.7 18.3 294 35.6 24.4 63.3
20182940300 14.0 16.5 17.7 303 36.3 25.0 63.2
20182940200 15.0 16.9 18.7 300 36.5 24.1 60.4
20182940100 15.0 16.5 18.9 318 37.8 24.5 58.4
20182940000 19.2 22.2 22.2 310 37.8 22.4 53.5
20182932300 20.6 23.3 26.6 316 38.8 23.0 52.6
20182932200 20.6 22.2 28.8 311 39.2 23.1 52.0
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for today's 2-minute data: 20181021.04t.txt, data format (metadata)
      right arrow Click here for past data: 2018 | 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
» GLIN: Great Lakes Information Network