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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 2:20 am CDT on 08/20/2018 (DOY 232 07:20 GMT)
(Updated at about 08,23,38,53 minutes past the hour)
Wind Speed:   20.4 kts   (10.5 m/s)
Max Wind Speed:   22.6 kts   (11.6 m/s)
Wind Direction:   136° (SE)
Air Temperature:   76.3 °F   (24.6 °C)
Dew Point:   67.7 °F   (19.9 °C)
Relative Humidity:   74.5 %
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
%
20182320200 18.3 20.0 22.6 134 76.3 68.3 75.9
20182320100 17.1 19.1 23.1 137 77.2 68.7 74.7
20182320000 12.8 13.8 19.8 139 77.5 70.2 77.9
20182312300 14.4 15.4 16.1 105 77.7 72.3 83.1
20182312200 14.6 16.7 16.7 090 77.4 72.2 83.9
20182312100 15.0 16.7 18.1 088 77.0 72.4 85.4
20182312000 15.0 16.1 18.3 083 77.0 71.1 81.6
20182311900 16.5 17.3 17.5 085 76.6 70.2 80.1
20182311800 18.3 19.6 19.6 080 76.6 69.8 79.1
20182311700 15.7 16.5 19.4 063 76.8 69.6 78.0
20182311600 13.2 14.0 16.7 066 76.6 70.7 81.6
20182311500 9.7 10.3 13.6 066 76.8 69.7 78.3
20182311400 9.7 10.3 10.5 066 76.5 69.4 78.5
20182311300 6.2 6.8 11.7 075 76.5 69.7 79.2
20182311200 4.1 5.1 7.4 080 76.5 69.7 79.4
20182311100 5.6 6.6 6.6 053 76.1 69.1 78.6
20182311000 4.7 5.2 6.4 062 76.3 69.1 78.0
20182310900 6.6 7.8 8.6 069 76.1 66.8 72.5
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for today's 2-minute data: 20180820.04t.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