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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 10:38 pm CDT on 06/17/2021 (DOY 169 03:38 GMT)
(Updated at about 06,21,36,51 minutes past the hour)
Wind Speed:   19.4 kts   (10.0 m/s)
Max Wind Speed:   20.6 kts   (10.6 m/s)
Wind Direction:   175° (S)
Air Temperature:   78.8 °F   (26.0 °C)
Dew Point:   63.3 °F   (17.4 °C)
Relative Humidity:   58.5 %
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 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 CDT Wind
Spd
kts 		Wind
Gust
kts 		Peak
Wind
kts 		Wind
Dir
deg 		Air
Tmp
F 		Dew
Pt
F 		Rel
Hum
%
20211682200 20.6 21.8 23.7 164 79.5 62.5 55.5
20211682100 9.5 10.5 22.9 211 85.1 59.7 41.6
20211682000 12.2 13.6 19.2 224 85.5 58.6 39.5
20211681900 17.5 19.2 22.4 218 86.2 58.1 37.9
20211681800 13.2 14.6 20.0 165 79.3 63.8 58.4
20211681700 15.9 17.3 19.1 133 77.4 62.2 59.0
20211681600 15.9 18.1 18.1 109 75.4 57.9 54.0
20211681500 13.4 15.2 18.9 151 74.5 60.2 60.6
20211681400 10.9 11.5 16.9 099 72.0 61.1 68.3
20211681300 13.4 13.6 18.5 122 72.9 58.3 59.8
20211681200 12.8 13.4 16.7 126 70.9 58.5 64.5
20211681100 11.1 12.2 12.8 124 70.9 58.3 63.9
20211681000 8.9 10.1 17.9 157 70.0 54.7 57.8
20211680900 8.2 10.1 12.4 153 68.5 51.5 54.1
20211680800 8.7 9.3 9.3 180 67.8 48.1 48.8
20211680700 8.7 9.5 9.9 197 65.8 49.0 54.0
20211680600 6.4 6.8 9.7 203 64.8 59.2 82.0
20211680500 5.4 6.0 8.2 186 64.2 60.0 86.1
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for today's 2-minute data: 20210618.04t.txt, data format (metadata)
      right arrow Click here for past data: 2021 | 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