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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 1:50 am CST on 11/13/2018 (DOY 317 07:50 GMT)
(Updated at about 08,23,38,53 minutes past the hour)
Wind Speed:   18.5 kts   (9.5 m/s)
Max Wind Speed:   22.2 kts   (11.4 m/s)
Wind Direction:   316° (NW)
Air Temperature:   25.9 °F   (-3.4 °C)
Wind Chill:   11.6 °F   (-11.4 °C)
Dew Point:   15.9 °F   (-8.9 °C)
Relative Humidity:   65.6 %
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):
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
m/s
Wind
Gust
m/s
Peak
Wind
m/s
Wind
Dir
deg
Air
Tmp
C
Wind
Chill
C
Dew
Pt
C
Rel
Hum
%
20183170100 9.2 10.8 12.8 323 -3.1 -10.8 -9.1 63.6
20183170000 8.9 10.2 12.2 316 -2.6 -10.1 -8.5 64.0
20183162300 9.0 9.9 11.5 306 -2.3 -9.7 -8.5 62.8
20183162200 8.8 9.9 10.5 308 -1.8 -9.0 -7.3 66.1
20183162100 8.3 10.7 12.2 317 -1.2 -8.0 -6.0 69.8
20183162000 8.8 9.6 11.8 312 -1.3 -8.3 -5.6 72.8
20183161900 9.3 10.6 11.3 321 -0.8 -7.9 -5.2 72.4
20183161800 7.7 8.8 10.9 324 -0.1 -6.3 -4.9 70.0
20183161700 7.9 8.9 9.7 329 0.2 -6.0 -4.7 69.9
20183161600 6.2 7.1 10.1 328 1.0 -4.3 -4.1 68.7
20183161500 5.3 6.2 8.4 319 0.8 -4.1 -4.7 66.8
20183161400 6.2 6.8 7.8 339 1.0 -4.3 -3.9 69.8
20183161300 7.3 8.6 9.3 337 1.2 -4.5 -3.5 70.7
20183161200 5.8 7.1 9.1 338 1.3 -3.7 -3.9 68.3
20183161100 7.7 8.5 9.2 352 1.4 -4.4 -3.4 70.5
20183161000 7.3 8.4 9.1 351 1.5 -4.1 -3.6 69.1
20183160900 8.0 8.9 9.8 346 1.7 -4.1 -3.2 70.0
20183160800 6.9 8.0 10.6 334 2.0 -3.3 -1.8 75.7
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 today's 2-minute data: 20181113.04t.txt, data format (metadata)
      right arrow Click here for past data: 2018 | 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