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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 4:20 am CST on 12/01/2023 (DOY 335 10:20 GMT)
(Updated every 15 minutes)
Wind Speed:   18.3 kts   (9.4 m/s)
Max Wind Speed:   20.0 kts   (10.3 m/s)
Wind Direction:   68° (ENE)
Air Temperature:   45.5 °F   (7.5 °C)
Dew Point:   45.8 °F   (7.7 °C)
Relative Humidity:   101.1 %
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
Loyola University Lake Shore Campus
Loop and Lake Michigan courtesy of ABC News

---------- Previous 18 Hours (at top of hour)  [English] [Metric] ----------
YEARDOY CST Wind
Spd
m/s 		Wind
Gust
m/s 		Peak
Wind
m/s 		Wind
Dir
deg 		Air
Tmp
C 		Wind
Chill
C 		Dew
Pt
C 		Rel
Hum
%
20233350400 9.8 10.7 10.7 061 7.3 -99.0 7.5 101.1
20233350300 6.7 7.6 10.4 049 7.7 -99.0 7.2 96.7
20233350200 6.3 6.7 8.1 048 7.5 -99.0 7.5 99.8
20233350100 4.9 5.4 7.3 020 7.9 -99.0 6.9 93.3
20233350000 4.2 4.3 5.5 007 7.9 -99.0 7.1 94.5
20233342300 3.7 3.9 5.3 005 8.8 -99.0 6.4 84.8
20233342200 2.7 3.0 3.8 330 9.4 -99.0 6.3 80.6
20233342100 5.2 5.5 5.5 283 10.5 -99.0 6.5 76.0
20233342000 4.1 4.7 6.2 256 10.9 -99.0 6.1 72.2
20233341900 4.8 5.3 8.1 254 11.2 -99.0 5.8 69.1
20233341800 6.4 7.1 8.6 256 11.4 -99.0 5.7 67.8
20233341700 7.3 8.8 11.9 232 11.4 -99.0 5.4 66.3
20233341600 7.8 9.0 13.6 234 11.6 -99.0 5.1 64.3
20233341500 9.3 10.2 12.7 216 11.7 -99.0 4.9 63.0
20233341400 11.2 12.4 15.5 227 11.7 -99.0 4.8 62.5
20233341300 11.8 13.7 15.9 229 11.6 -99.0 4.4 60.9
20233341200 7.5 8.5 14.7 233 11.2 -99.0 3.8 60.0
20233341100 9.6 10.7 13.3 229 10.4 -99.0 3.1 60.4
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: 20231201.04t.txt.txt, data format (metadata)
      right arrow Click here for past data: 2023 | 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