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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 11:10 pm CST on 01/14/2026 (DOY 015 05:10 GMT)
(Updated every 15 minutes)
Wind Speed:   23.7 kts   (12.2 m/s)
Max Wind Speed:   27.0 kts   (13.9 m/s)
Wind Direction:   330° (NNW)
Air Temperature:   20.5 °F   (-6.4 °C)
Wind Chill:   2.6 °F   (-16.3 °C)
Dew Point:   10.4 °F   (-12.0 °C)
Relative Humidity:   64.7 %
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 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
%
20260142300 15.0 16.4 16.4 336 -6.2 -16.9 -11.7 65.1
20260142200 13.5 16.9 17.6 321 -5.9 -16.0 -12.2 61.3
20260142100 15.0 16.3 19.8 332 -5.6 -16.1 -12.7 57.7
20260142000 12.4 13.7 20.0 322 -5.5 -15.2 -11.9 61.1
20260141900 13.1 14.8 17.3 323 -5.4 -15.2 -12.8 56.4
20260141800 14.3 16.4 17.8 325 -5.4 -15.6 -12.5 57.7
20260141700 11.4 13.8 18.1 315 -6.5 -16.2 -10.7 72.3
20260141600 13.4 15.5 17.2 320 -7.0 -17.5 -10.5 76.2
20260141500 14.1 15.8 20.9 325 -6.1 -16.5 -11.2 67.2
20260141400 16.4 18.4 19.9 330 -6.0 -17.0 -12.3 61.5
20260141300 17.2 19.8 21.1 333 -5.9 -17.0 -11.7 63.9
20260141200 16.0 17.9 20.9 336 -5.3 -15.9 -10.8 65.3
20260141100 17.0 18.7 19.8 336 -4.9 -15.6 -10.0 67.4
20260141000 16.7 19.9 21.5 336 -4.5 -15.0 -7.3 80.8
20260140900 19.7 22.6 22.6 350 -3.2 -13.8 -4.5 91.0
20260140800 18.2 20.9 23.0 359 -1.6 -11.3 -2.4 94.6
20260140700 17.1 19.7 21.5 351 2.1 -5.9 -0.4 83.6
20260140600 7.9 8.4 14.9 300 4.5 -99.0 -0.8 68.6
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: 20260115.04t.txt.txt, data format (metadata)
      right arrow Click here for past data: 2026 | 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