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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. See also rtmon status, webcam status
Conditions at 11:36 am CST on 02/17/2020 (DOY 048 17:36 GMT)
(Updated at about 06,21,36,51 minutes past the hour)
Wind Speed:   11.5 kts   (5.9 m/s)
Max Wind Speed:   12.4 kts   (6.4 m/s)
Wind Direction:   129° (SE)
Air Temperature:   34.7 °F   (1.5 °C)
Wind Chill:   25.7 °F   (-3.5 °C)
Dew Point:   30.2 °F   (-1.0 °C)
Relative Humidity:   83.4 %
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 10 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 CST Wind
Spd
kts
Wind
Gust
kts
Peak
Wind
kts
Wind
Dir
deg
Air
Tmp
F
Wind
Chill
F
Dew
Pt
F
Rel
Hum
%
20200481100 15.4 16.7 16.7 140 34.3 23.7 29.8 83.2
20200481000 13.2 15.6 20.4 145 34.0 24.1 29.7 84.1
20200480900 12.8 13.8 16.3 128 33.6 23.7 29.7 85.3
20200480800 15.9 17.3 18.9 126 32.9 21.6 29.3 86.3
20200480700 13.4 14.8 19.8 127 32.2 21.7 29.3 88.8
20200480600 13.6 15.2 18.5 126 32.4 21.8 29.9 90.7
20200480500 13.4 14.8 17.9 108 33.1 22.8 30.8 91.1
20200480400 12.2 13.2 15.7 091 33.3 23.5 30.8 90.7
20200480300 9.1 9.7 14.8 104 33.3 25.0 32.4 96.7
20200480200 7.6 7.8 9.3 106 33.3 26.0 33.1 99.5
20200480100 7.0 7.2 8.9 122 33.4 26.6 33.1 98.5
20200480000 9.9 10.7 11.1 097 33.4 24.9 32.6 96.7
20200472300 6.2 6.8 10.7 089 32.9 26.5 32.7 99.3
20200472200 5.2 5.6 6.8 098 32.4 26.6 32.0 98.5
20200472100 3.5 3.7 6.4 141 31.6 27.6 31.3 98.8
20200472000 4.7 4.9 4.9 181 31.8 26.5 30.7 95.6
20200471900 3.1 3.3 5.8 153 31.8 28.4 30.2 93.5
20200471800 4.5 4.7 4.7 133 31.6 26.5 29.0 90.0
Note: Peak wind is max wind gust during entire hour
Note: Wind chill is set to -99 if air temp > 40 F or wind speed < 3 mph

      right arrow Click here for today's 2-minute data: 20200217.04t.txt, data format (metadata)
      right arrow Click here for past data: 2020 | 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