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Real-Time Meteorological Observation Network
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 am CST on 02/17/2019 (DOY 048 09:06 GMT)
(Updated at about 08,23,38,53 minutes past the hour)
Wind Speed:   15.9 kts   (8.2 m/s)
Max Wind Speed:   18.1 kts   (9.3 m/s)
Wind Direction:   119° (ESE)
Air Temperature:   26.1 °F   (-3.3 °C)
Wind Chill:   12.7 °F   (-10.7 °C)
Dew Point:   21.2 °F   (-6.0 °C)
Relative Humidity:   81.8 %
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 7 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
%
20190480300 15.6 17.1 18.1 109 26.1 12.9 21.3 82.1
20190480200 15.2 18.1 19.6 124 26.2 13.3 20.8 79.7
20190480100 16.7 18.1 20.2 116 27.0 13.6 21.2 78.7
20190480000 19.6 21.8 22.7 090 26.1 11.4 20.5 79.1
20190472300 16.5 19.1 22.7 088 26.1 12.5 20.2 78.2
20190472200 17.1 20.8 23.1 100 27.1 13.7 20.8 76.8
20190472100 17.5 19.4 21.4 077 27.5 14.0 20.5 74.6
20190472000 10.3 11.9 21.8 071 26.8 16.3 20.2 76.0
20190471900 5.8 7.6 19.1 062 26.6 19.2 20.3 76.9
20190471800 10.3 13.8 15.7 094 26.1 15.4 19.8 76.8
20190471700 13.2 15.6 18.7 064 26.6 14.6 21.4 80.6
20190471600 14.0 15.4 17.7 045 27.5 15.4 21.1 76.7
20190471500 11.9 14.2 18.3 048 28.2 17.3 22.3 78.3
20190471400 15.0 16.9 18.9 045 29.1 17.1 22.5 75.9
20190471300 10.7 11.9 16.3 037 29.5 19.5 21.8 72.9
20190471200 8.7 9.7 14.0 035 29.7 20.8 22.1 73.2
20190471100 9.7 10.5 12.8 339 26.8 16.6 25.0 92.9
20190471000 14.0 15.7 16.3 337 26.4 14.0 24.9 93.8
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: 20190217.04t.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