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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 9:20 am CST on 01/14/2026 (DOY 014 15:20 GMT)
(Updated every 15 minutes)
Wind Speed:   35.2 kts   (18.1 m/s)   GALE
Max Wind Speed:   40.2 kts   (20.7 m/s)   GALE
Wind Direction:   346° (NNW)
Air Temperature:   24.8 °F   (-4.0 °C)
Wind Chill:   5.7 °F   (-14.6 °C)
Dew Point:   22.4 °F   (-5.3 °C)
Relative Humidity:   90.6 %
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
kts 		Wind
Gust
kts 		Peak
Wind
kts 		Wind
Dir
deg 		Air
Tmp
F 		Wind
Chill
F 		Dew
Pt
F 		Rel
Hum
%
20260140900 38.3 43.9 43.9 350 26.2 7.1 24.0 91.0
20260140800 35.4 40.6 44.7 359 29.1 11.7 27.8 94.6
20260140700 33.2 38.3 41.8 351 35.8 21.3 31.3 83.6
20260140600 15.4 16.3 29.0 300 40.1 -99.0 30.6 68.6
20260140500 19.4 21.0 21.0 302 40.8 -99.0 30.9 67.5
20260140400 15.4 17.1 21.0 290 41.5 -99.0 31.7 67.6
20260140300 15.0 17.3 18.9 275 41.7 -99.0 32.2 68.7
20260140200 14.8 17.3 17.5 276 42.3 -99.0 31.7 65.9
20260140100 13.8 14.6 17.9 272 42.6 -99.0 32.6 67.3
20260140000 16.1 19.1 21.0 270 43.0 -99.0 33.4 68.5
20260132300 15.9 17.3 18.1 261 43.7 -99.0 33.5 67.0
20260132200 11.1 12.2 17.1 251 44.2 -99.0 36.0 72.4
20260132100 14.6 17.9 17.9 284 45.0 -99.0 35.8 70.0
20260132000 21.8 25.3 25.7 265 45.0 -99.0 36.6 72.1
20260131900 22.2 25.7 31.5 262 45.5 -99.0 36.4 70.3
20260131800 28.4 33.6 33.6 257 46.2 -99.0 36.0 67.2
20260131700 22.9 28.2 34.6 249 46.9 -99.0 35.9 65.2
20260131600 22.9 27.8 33.6 241 48.7 -99.0 36.3 61.7
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: 20260114.04t.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