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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 5:50 pm CST on 01/28/2026 (DOY 028 23:50 GMT)
(Updated every 15 minutes)
Wind Speed:   17.3 kts   (8.9 m/s)
Max Wind Speed:   19.1 kts   (9.8 m/s)
Wind Direction:   294° (WNW)
Air Temperature:   16.7 °F   (-8.5 °C)
Wind Chill:   -0.1 °F   (-17.8 °C)
Dew Point:   1.9 °F   (-16.7 °C)
Relative Humidity:   51.8 %
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
%
20260281700 16.9 19.2 21.2 281 17.6 1.3 1.0 47.8
20260281600 15.0 17.1 22.4 278 18.1 2.9 0.7 46.2
20260281500 17.3 20.2 25.3 266 17.1 0.4 -1.0 44.7
20260281400 19.4 22.4 24.9 280 15.3 -2.8 -2.0 46.0
20260281300 16.9 19.8 24.7 281 13.6 -3.9 -1.8 49.9
20260281200 19.4 21.4 24.7 284 11.7 -7.6 -2.5 52.8
20260281100 16.5 19.1 22.4 273 9.0 -9.8 -1.0 63.5
20260281000 14.6 17.1 23.3 279 7.0 -11.4 -0.5 71.0
20260280900 14.4 15.9 19.1 286 5.7 -12.9 -0.4 75.6
20260280800 15.0 17.5 19.8 280 5.4 -13.7 0.5 80.0
20260280700 14.2 18.1 19.6 278 5.0 -13.7 -0.1 79.4
20260280600 16.9 18.5 20.2 276 5.2 -15.0 -0.6 76.7
20260280500 15.4 19.4 19.6 271 6.1 -13.0 -0.4 74.4
20260280400 14.4 16.5 18.5 269 5.9 -12.7 -2.0 69.6
20260280300 11.7 15.0 18.9 279 7.2 -9.3 -1.1 68.7
20260280200 12.6 14.8 16.7 276 7.9 -9.1 -2.1 63.4
20260280100 14.2 17.7 17.7 290 8.4 -9.3 -2.7 60.3
20260280000 15.6 18.1 19.4 291 8.6 -9.8 -3.6 57.4
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: 20260128.04t.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