Back to Met Station Array Page
Milwaukee | Chicago | Michigan City | South Haven | Muskegon | Alpena | Thunder Bay Island | Toledo Light #2

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 9:06 am CST on 11/15/2019 (DOY 319 15:06 GMT)
(Updated at about 06,21,36,51 minutes past the hour)
Wind Speed:   12.2 kts   (6.3 m/s)
Max Wind Speed:   13.0 kts   (6.7 m/s)
Wind Direction:   267° (W)
Air Temperature:   28.6 °F   (-1.9 °C)
Wind Chill:   17.6 °F   (-8.0 °C)
Dew Point:   22.6 °F   (-5.2 °C)
Relative Humidity:   78.2 %
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 6X per hour)
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 CST Wind
Spd
kts 		Wind
Gust
kts 		Peak
Wind
kts 		Wind
Dir
deg 		Air
Tmp
F 		Wind
Chill
F 		Dew
Pt
F 		Rel
Hum
%
20193190900 12.1 12.8 13.2 268 28.4 17.4 22.6 78.6
20193190800 10.9 11.7 13.4 258 26.8 16.0 22.0 81.8
20193190700 14.6 15.9 16.3 268 26.6 14.0 21.4 80.4
20193190600 11.3 12.8 16.5 263 26.4 15.3 21.3 80.8
20193190500 10.7 13.4 15.7 267 26.8 16.1 21.0 78.6
20193190400 11.9 13.8 14.8 266 27.3 16.2 21.3 77.9
20193190300 14.6 15.9 17.7 267 26.8 14.2 20.9 78.1
20193190200 16.7 18.7 21.6 268 27.1 13.9 21.7 79.7
20193190100 15.7 19.1 22.4 269 26.8 13.8 20.8 78.0
20193190000 15.9 20.2 20.2 245 27.1 14.1 20.9 77.2
20193182300 14.6 16.1 20.8 248 28.2 16.1 21.8 76.5
20193182200 9.9 11.9 20.4 256 27.3 17.2 20.4 75.0
20193182100 16.9 18.7 20.2 266 27.5 14.3 21.5 77.9
20193182000 13.0 15.0 20.8 258 28.0 16.5 21.0 74.6
20193181900 15.4 17.9 20.6 274 28.9 16.7 23.6 80.3
20193181800 13.6 16.5 19.8 270 29.1 17.7 22.8 76.9
20193181700 12.4 15.4 19.1 283 29.7 18.9 23.0 76.1
20193181600 10.5 12.2 18.1 265 30.2 20.5 22.7 73.4
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 today's 2-minute data: 20191115.04t.txt, data format (metadata)
      right arrow Click here for past data: 2019 | Archive

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