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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 8:06 pm CST on 11/16/2019 (DOY 321 02:06 GMT)
(Updated at about 06,21,36,51 minutes past the hour)
Wind Speed:   20.8 kts   (10.7 m/s)
Max Wind Speed:   21.8 kts   (11.2 m/s)
Wind Direction:   126° (SE)
Air Temperature:   37.6 °F   (3.1 °C)
Wind Chill:   26.4 °F   (-3.1 °C)
Dew Point:   29.0 °F   (-1.7 °C)
Relative Humidity:   70.9 %
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
%
20193202000 20.6 21.8 21.8 129 37.8 26.7 29.1 70.6
20193201900 13.6 15.6 22.0 132 38.3 29.5 32.0 77.9
20193201800 11.1 11.9 17.1 120 38.8 31.1 31.7 75.4
20193201700 11.3 12.2 13.6 114 38.5 30.6 31.3 75.2
20193201600 10.5 10.9 14.6 114 38.3 30.7 31.0 74.6
20193201500 10.9 11.3 13.0 110 38.5 30.7 30.6 73.0
20193201400 9.1 9.7 10.9 102 37.9 30.9 31.2 76.5
20193201300 8.9 9.7 11.5 117 37.6 30.5 30.5 75.4
20193201200 9.7 11.1 11.1 128 36.3 28.6 30.3 78.5
20193201100 11.7 12.8 12.8 136 35.6 26.8 30.7 82.3
20193201000 12.6 13.8 14.6 139 35.2 25.9 31.2 85.2
20193200900 15.0 15.6 16.7 127 34.7 24.3 31.5 88.0
20193200800 16.5 17.5 18.3 118 35.2 24.5 32.6 89.8
20193200700 14.8 15.9 17.7 110 36.1 26.3 32.8 87.5
20193200600 15.0 16.1 16.1 114 36.9 27.1 32.1 82.8
20193200500 12.2 13.6 15.9 109 37.4 28.8 32.5 82.1
20193200400 12.2 13.2 15.6 114 37.9 29.5 33.0 82.3
20193200300 14.8 15.7 15.9 107 38.5 29.3 29.3 69.2
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: 20191117.04t.txt, data format (metadata)
      right arrow Click here for past data: 2019 | 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