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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 9:50 am CDT on 05/25/2024 (DOY 146 14:50 GMT)
(Updated every 15 minutes)
Wind Speed:   9.3 kts   (4.8 m/s)
Max Wind Speed:   9.9 kts   (5.1 m/s)
Wind Direction:   6° (N)
Air Temperature:   60.8 °F   (16.0 °C)
Dew Point:   52.9 °F   (11.6 °C)
Relative Humidity:   74.9 %
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
m/s
Wind
Gust
m/s
Peak
Wind
m/s
Wind
Dir
deg
Air
Tmp
C
Dew
Pt
C
Rel
Hum
%
20241460900 3.6 3.9 5.1 338 16.3 11.1 71.1
20241460800 6.0 6.5 6.5 305 15.9 11.6 75.2
20241460700 9.5 10.0 10.3 310 16.0 11.6 74.9
20241460600 10.5 12.3 12.8 303 17.0 12.3 73.7
20241460500 11.0 12.4 12.4 308 18.1 13.6 74.9
20241460400 9.4 10.8 11.8 284 20.3 17.9 86.1
20241460300 7.3 9.1 10.2 254 20.6 19.2 91.5
20241460200 6.8 7.4 9.2 254 21.1 18.8 86.5
20241460100 7.2 8.8 13.1 250 22.1 18.3 78.5
20241460000 6.5 8.4 11.9 218 22.1 18.1 77.9
20241452300 5.3 5.7 10.4 190 22.0 18.1 78.4
20241452200 10.0 11.2 11.2 135 21.8 17.9 78.2
20241452100 9.2 10.4 14.2 278 23.0 17.6 71.0
20241452000 12.0 13.0 15.0 181 21.7 17.8 78.1
20241451900 16.1 16.9 18.7 182 23.1 18.2 73.4
20241451800 11.8 13.1 19.9 176 22.6 19.9 84.5
20241451700 3.8 4.2 12.0 141 19.3 18.5 94.9
20241451600 8.2 9.2 9.2 128 18.8 16.9 88.4
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for recent 2-minute daily data: 20240525.04t.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