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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 1:20 pm CDT on 03/29/2023 (DOY 088 18:20 GMT)
(Updated every 15 minutes)
Wind Speed:   18.5 kts   (9.5 m/s)
Max Wind Speed:   21.0 kts   (10.8 m/s)
Wind Direction:   6° (N)
Air Temperature:   33.8 °F   (1.0 °C)
Wind Chill:   22.0 °F   (-5.5 °C)
Dew Point:   17.4 °F   (-8.1 °C)
Relative Humidity:   50.6 %
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)
Webcam Location & Info
[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]

6-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 CDT Wind
Spd
kts 		Wind
Gust
kts 		Peak
Wind
kts 		Wind
Dir
deg 		Air
Tmp
F 		Wind
Chill
F 		Dew
Pt
F 		Rel
Hum
%
20230881300 17.5 19.6 21.4 358 34.3 23.0 16.5 47.7
20230881200 14.2 15.6 24.3 353 35.2 25.3 24.8 65.5
20230881100 16.3 17.3 25.3 333 33.8 22.7 33.0 96.8
20230881000 18.7 22.4 22.4 319 37.2 26.5 29.1 72.1
20230880900 17.5 20.0 23.1 296 40.1 -99.0 26.9 58.8
20230880800 21.8 24.3 28.0 267 41.4 -99.0 25.7 53.3
20230880700 18.5 22.9 29.9 234 42.6 -99.0 23.3 46.0
20230880600 20.0 24.3 27.4 230 42.3 -99.0 22.1 44.4
20230880500 17.7 19.1 26.6 217 42.4 -99.0 21.5 42.9
20230880400 12.4 16.7 25.9 238 43.7 -99.0 21.1 40.2
20230880300 17.7 21.0 21.2 251 43.5 -99.0 20.7 39.9
20230880200 14.0 16.1 20.0 262 42.6 -99.0 22.1 43.8
20230880100 14.6 16.1 21.2 256 43.5 -99.0 22.4 42.7
20230880000 16.5 18.9 20.8 262 44.4 -99.0 23.5 43.3
20230872300 12.2 13.6 19.8 256 45.0 -99.0 25.4 45.8
20230872200 12.1 15.2 16.5 263 45.7 -99.0 25.9 45.5
20230872100 10.9 14.0 16.9 256 46.9 -99.0 26.2 44.0
20230872000 7.4 9.9 16.1 241 44.4 -99.0 30.1 56.9
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: 20230329.04t.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