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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 2:20 am CDT on 05/02/2024 (DOY 123 07:20 GMT)
(Updated every 15 minutes)
Wind Speed:   10.5 kts   (5.4 m/s)
Max Wind Speed:   10.9 kts   (5.6 m/s)
Wind Direction:   55° (NE)
Air Temperature:   55.6 °F   (13.1 °C)
Dew Point:   47.7 °F   (8.7 °C)
Relative Humidity:   74.5 %
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 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 		Dew
Pt
F 		Rel
Hum
%
20241230200 11.7 12.2 12.4 054 54.3 49.6 83.8
20241230100 4.7 4.9 12.6 027 65.5 34.6 31.3
20241230000 5.1 5.2 5.8 193 68.4 33.3 26.9
20241222300 7.2 7.2 8.0 182 67.5 33.5 28.0
20241222200 7.0 7.4 7.6 187 65.5 35.0 31.9
20241222100 10.3 10.7 12.2 185 61.9 42.0 47.6
20241222000 9.5 10.1 11.9 186 59.9 46.7 61.2
20241221900 5.6 6.2 10.1 083 70.5 37.0 28.9
20241221800 6.8 7.2 8.7 091 66.0 44.3 45.0
20241221700 7.6 9.5 11.5 310 74.7 33.3 21.6
20241221600 15.7 18.7 20.6 285 73.6 36.2 25.2
20241221500 18.1 20.4 21.6 282 75.0 32.0 20.3
20241221400 18.7 24.3 28.2 276 73.4 34.3 23.5
20241221300 20.2 22.7 26.2 282 72.5 41.8 32.6
20241221200 16.9 20.2 30.9 265 73.0 46.2 37.8
20241221100 17.1 19.1 27.2 260 71.8 42.3 34.1
20241221000 18.3 21.2 23.1 264 70.0 53.3 55.0
20241220900 14.2 15.9 23.1 248 69.1 60.8 74.7
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for recent 2-minute daily data: 20240502.04t.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