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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 3:20 am CDT on 10/18/2018 (DOY 291 08:20 GMT)
(Updated at about 08,23,38,53 minutes past the hour)
Wind Speed:   9.9 kts   (5.1 m/s)
Max Wind Speed:   11.1 kts   (5.7 m/s)
Wind Direction:   337° (NNW)
Air Temperature:   46.8 °F   (8.2 °C)
Dew Point:   34.4 °F   (1.3 °C)
Relative Humidity:   61.8 %
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):
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
%
20182910300 8.4 9.3 11.5 310 45.5 34.0 63.7
20182910200 11.3 12.8 15.0 309 45.9 31.5 57.0
20182910100 12.2 13.4 14.8 321 46.6 30.6 53.3
20182910000 11.5 12.6 15.6 298 47.5 28.6 47.5
20182902300 12.4 13.6 14.2 296 48.0 27.0 43.7
20182902200 10.3 11.5 15.2 286 48.7 28.5 45.2
20182902100 9.5 10.7 14.2 292 49.6 27.6 42.0
20182902000 11.9 13.0 13.6 308 49.8 24.0 36.0
20182901900 10.7 12.4 13.6 312 49.8 22.6 33.9
20182901800 13.8 15.2 15.9 325 50.0 21.4 32.0
20182901700 15.9 18.1 19.2 329 50.0 23.3 34.7
20182901600 15.7 17.9 21.4 325 49.8 25.2 37.9
20182901500 14.2 17.7 20.4 309 49.8 27.9 42.3
20182901400 9.9 10.7 20.4 310 48.4 28.5 45.7
20182901300 11.5 14.0 17.9 322 46.8 28.9 49.4
20182901200 10.9 13.4 21.4 316 45.0 27.5 50.0
20182901100 14.8 16.9 21.2 322 43.7 28.6 55.0
20182901000 20.0 23.1 26.4 313 43.0 26.6 52.1
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for today's 2-minute data: 20181018.04t.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