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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. See also rtmon status, webcam status
Conditions at 5:06 am CDT on 05/08/2021 (DOY 128 10:06 GMT)
(Updated at about 06,21,36,51 minutes past the hour)
Wind Speed:   6.8 kts   (3.5 m/s)
Max Wind Speed:   7.2 kts   (3.7 m/s)
Wind Direction:   6° (N)
Air Temperature:   43.2 °F   (6.2 °C)
Dew Point:   36.9 °F   (2.7 °C)
Relative Humidity:   78.4 %
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
%
20211280500 7.6 9.3 9.3 357 43.3 37.7 80.4
20211280400 7.4 8.0 10.5 020 42.8 37.6 81.5
20211280300 11.1 12.2 12.2 009 43.0 37.9 82.0
20211280200 11.7 13.2 13.6 011 43.3 37.3 79.0
20211280100 11.7 12.4 14.2 012 43.2 36.3 76.5
20211280000 12.8 14.4 15.0 013 43.2 36.2 76.3
20211272300 11.3 12.4 15.0 017 43.5 35.3 72.6
20211272200 11.3 13.0 15.9 010 43.7 38.5 81.7
20211272100 12.8 14.6 15.4 011 43.3 38.9 84.0
20211272000 16.5 17.3 18.3 010 43.3 39.5 86.1
20211271900 17.7 19.4 19.6 014 43.7 39.1 83.5
20211271800 22.0 23.9 24.1 019 43.9 41.0 89.5
20211271700 15.9 17.3 26.6 018 46.4 39.3 76.1
20211271600 17.3 19.2 19.6 023 45.9 38.8 76.2
20211271500 22.0 25.5 25.5 021 45.7 39.2 77.8
20211271400 19.8 22.0 25.1 024 46.0 40.8 81.7
20211271300 17.5 18.7 22.0 034 45.9 42.0 86.1
20211271200 16.5 18.5 20.2 035 48.0 43.4 83.7
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for today's 2-minute data: 20210508.04t.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