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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 11:50 pm CDT on 03/18/2024 (DOY 079 04:50 GMT)
(Updated every 15 minutes)
Wind Speed:   19.6 kts   (10.1 m/s)
Max Wind Speed:   22.6 kts   (11.6 m/s)
Wind Direction:   249° (WSW)
Air Temperature:   33.4 °F   (0.8 °C)
Wind Chill:   21.2 °F   (-6.0 °C)
Dew Point:   17.5 °F   (-8.1 °C)
Relative Humidity:   51.6 %
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 every 30 minutes)

[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]

18-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
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
Wind
Chill
F
Dew
Pt
F
Rel
Hum
%
20240782300 19.1 22.2 28.6 249 33.8 21.8 17.4 50.7
20240782200 17.7 21.0 25.9 245 34.2 22.7 17.2 49.5
20240782100 14.0 16.1 26.0 241 34.9 24.9 16.6 46.9
20240782000 12.8 14.8 16.9 268 34.7 25.1 17.2 48.4
20240781900 18.7 22.2 22.7 277 34.9 23.4 17.7 49.1
20240781800 16.5 18.3 20.0 297 35.4 24.7 16.4 45.6
20240781700 10.7 13.4 20.0 282 34.3 25.6 15.3 45.3
20240781600 10.9 13.4 21.0 287 32.9 23.7 14.6 46.5
20240781500 11.7 14.6 20.2 329 32.4 22.6 14.8 48.0
20240781400 13.8 15.6 19.4 313 32.0 21.3 16.7 52.9
20240781300 11.9 14.6 19.4 340 30.9 20.7 18.6 59.8
20240781200 11.1 13.6 20.2 324 29.3 19.0 18.9 64.7
20240781100 12.2 15.2 20.0 336 28.2 17.1 18.1 65.5
20240781000 14.8 18.3 18.3 322 27.3 14.8 17.0 64.8
20240780900 16.9 18.9 20.4 315 26.6 13.1 16.7 66.0
20240780800 18.7 20.8 20.8 313 26.1 11.7 16.1 65.6
20240780700 18.1 21.0 22.9 308 26.1 11.9 13.3 58.2
20240780600 20.2 23.7 24.3 317 26.8 12.2 13.5 56.9
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 recent 2-minute daily data: 20240319.04t.txt.txt, data format (metadata)
      right arrow Click here for past data: 2024 | Archive

The NDBC station ID for this station is: CHII2
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


Contact:
General Information & Media Inquiries:
oar.glerl.www@noaa.gov
(734) 741-2235
Data Inquiries:
oar.glerl.data@noaa.gov