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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

NOTICE: Sep 13, 2021. Communication with the CHI met station is spotty. Data acquisition may be intermittent.

Conditions have not been updated in more than two hours

Conditions at 2:36 am CDT on 09/22/2021 (DOY 265 07:36 GMT)
(Updated at about 06,21,36,51 minutes past the hour)
Wind Speed:   22.0 kts   (11.3 m/s)
Max Wind Speed:   25.5 kts   (13.1 m/s)
Wind Direction:   40° (NE)
Air Temperature:   63.7 °F   (17.6 °C)
Dew Point:   54.0 °F   (12.2 °C)
Relative Humidity:   70.4 %
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 CDT Wind
Spd
kts 		Wind
Gust
kts 		Peak
Wind
kts 		Wind
Dir
deg 		Air
Tmp
F 		Dew
Pt
F 		Rel
Hum
%
20212650200 25.5 27.6 28.0 046 63.9 53.6 69.0
20212650100 25.9 28.0 34.8 038 64.4 54.0 68.7
20212650000 26.6 29.4 31.5 030 65.3 53.4 65.0
20212642300 23.5 26.6 31.3 036 64.6 55.6 72.3
20212642200 21.4 22.6 32.5 010 66.0 52.6 61.4
20212642100 23.5 26.6 28.0 003 65.5 53.3 64.3
20212642000 22.6 25.3 27.6 003 65.3 53.1 64.3
20212641900 19.2 23.7 26.8 001 64.8 55.7 72.2
20212641800 22.4 24.1 25.5 360 64.2 53.9 68.8
20212641700 19.1 21.8 25.1 356 64.2 55.4 72.6
20212641600 18.3 21.2 22.2 001 64.2 55.1 71.9
20212641500 20.0 21.8 22.9 357 63.7 56.2 76.3
20212641400 15.2 16.3 23.3 001 65.3 57.8 76.3
20212641300 11.3 12.2 17.9 359 65.3 58.7 78.9
20212641200 11.9 12.6 12.8 348 64.9 58.1 78.2
20212641100 14.6 15.6 15.6 342 64.4 58.2 80.0
20212641000 16.7 17.7 21.0 342 64.2 58.9 82.6
20212640900 15.9 17.3 20.8 334 63.7 59.2 85.1
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for today's 2-minute data: 20210922.04t.txt, data format (metadata)
      right arrow Click here for past data: 2021 | 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