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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. See also rtmon status, webcam status
Conditions at 1:06 am CDT on 03/29/2020 (DOY 089 06:06 GMT)
(Updated at about 06,21,36,51 minutes past the hour)
Wind Speed:   17.3 kts   (8.9 m/s)
Max Wind Speed:   20.4 kts   (10.5 m/s)
Wind Direction:   212° (SSW)
Air Temperature:   63.5 °F   (17.5 °C)
Dew Point:   51.5 °F   (10.8 °C)
Relative Humidity:   64.6 %
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 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
%
20200890100 17.1 20.2 20.4 218 63.7 -99.0 51.9 65.1
20200890000 29.9 33.6 33.6 206 64.2 -99.0 55.9 74.1
20200882300 23.5 25.3 39.5 175 56.5 -99.0 56.6 100.3
20200882200 8.2 9.5 25.9 176 48.7 -99.0 48.8 100.2
20200882100 17.7 19.4 21.2 115 48.0 -99.0 48.1 100.2
20200882000 16.3 17.5 22.7 096 44.1 -99.0 44.1 100.2
20200881900 6.4 7.8 18.5 053 41.9 -99.0 42.0 100.2
20200881800 8.7 9.9 10.5 004 41.0 -99.0 41.1 100.2
20200881700 6.2 7.0 14.2 022 41.7 -99.0 41.8 100.2
20200881600 10.1 10.5 13.0 065 42.1 -99.0 42.1 100.2
20200881500 11.5 11.7 14.8 080 41.2 -99.0 41.2 100.2
20200881400 5.8 6.0 12.4 106 47.3 -99.0 47.4 100.2
20200881300 3.5 4.1 10.3 168 42.8 -99.0 42.9 100.2
20200881200 4.1 4.9 8.9 143 42.3 -99.0 42.3 100.2
20200881100 4.5 5.1 5.2 167 41.0 -99.0 41.1 100.2
20200881000 3.1 3.7 6.4 318 40.5 -99.0 40.5 100.2
20200880900 13.4 14.0 14.6 048 41.4 -99.0 41.4 100.2
20200880800 9.5 10.5 16.5 313 40.1 -99.0 40.2 100.2
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: 20200329.04t.txt, data format (metadata)
      right arrow Click here for past data: 2020 | 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