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.

Conditions at 9:50 am CDT on 05/23/2017 (DOY 143 14:50 GMT)
(Updated at about 07,22,37,52 minutes past the hour)
Wind Speed:   12.6 kts   (6.5 m/s)
Max Wind Speed:   13.8 kts   (7.1 m/s)
Wind Direction:   255° (WSW)
Air Temperature:   59.2 °F   (15.1 °C)
Dew Point:   55.8 °F   (13.2 °C)
Relative Humidity:   88.3 %
Data & Plots of Previous 3 Hours (2 minute increments)
Data & Plots of Previous 5 Days (hourly increments)
         1 Day Windrose Plot5 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 14 days)

Nearby Webcams (external sites):
Chicago, facing east courtesy of LakeVision.com
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
Speed
m/s
Wind
Gust
m/s
Peak
Wind
m/s
Wind
Dir
deg
Air
Temp
deg C
Dew
Point
deg C
Rel
Hum
%
20171430900 8.5 10.6 12.4 240 16.0 12.7 80.4
20171430800 7.1 8.1 12.9 216 16.2 12.0 76.0
20171430700 7.7 9.4 10.6 229 16.2 11.7 74.4
20171430600 8.2 9.2 11.9 212 15.9 12.0 77.2
20171430500 9.5 10.3 11.6 210 16.0 12.0 76.9
20171430400 9.7 10.4 11.6 204 16.3 12.3 76.8
20171430300 8.8 9.6 11.0 213 16.5 12.1 74.7
20171430200 9.4 11.4 13.1 215 16.7 12.1 74.0
20171430100 11.8 13.0 14.4 217 16.9 11.9 72.0
20171430000 9.8 10.6 15.5 216 16.9 11.9 72.2
20171422300 10.3 11.7 12.6 210 16.7 12.0 73.4
20171422200 10.0 11.9 14.2 223 16.8 12.2 74.2
20171422100 12.6 14.4 16.7 214 18.2 11.2 63.4
20171422000 8.5 10.2 15.9 224 19.0 11.7 62.1
20171421900 8.8 10.5 19.8 245 20.7 9.1 46.8
20171421800 12.2 14.9 18.6 217 22.4 5.5 32.8
20171421700 10.7 12.3 18.4 229 22.8 4.6 30.1
20171421600 9.0 11.2 15.1 220 21.9 6.0 35.1
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for today's 2-minute data: 20170523.04t.txt, data format (metadata)
      right arrow Click here for past data: 2017 | 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
» Additional Great Lakes WebCams from GLIN
» GLIN: Great Lakes Information Network