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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 3:50 am CST on 01/25/2022 (DOY 025 09:50 GMT)
(Updated at about 06,21,36,51 minutes past the hour)
Wind Speed:   15.2 kts   (7.8 m/s)
Max Wind Speed:   16.3 kts   (8.4 m/s)
Wind Direction:   315° (NW)
Air Temperature:   10.2 °F   (-12.1 °C)
Wind Chill:   -7.5 °F   (-21.9 °C)
Dew Point:   2.9 °F   (-16.2 °C)
Relative Humidity:   72.1 %
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 2X 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
%
20220250300 16.5 17.9 20.4 312 11.1 -7.0 3.7 71.8
20220250200 16.9 20.0 20.4 309 12.6 -5.3 5.7 73.6
20220250100 17.3 18.7 22.7 313 13.8 -3.8 7.2 74.8
20220250000 18.9 21.2 23.5 309 14.5 -3.5 7.1 72.2
20220242300 20.4 23.3 23.3 313 15.4 -3.0 6.9 68.7
20220242200 19.6 22.0 24.9 316 16.3 -1.5 7.4 67.7
20220242100 18.3 20.2 24.1 324 16.7 -0.5 8.2 68.8
20220242000 19.8 21.8 23.9 319 16.3 -1.5 8.5 71.1
20220241900 20.6 22.7 28.6 318 16.9 -1.1 9.2 71.5
20220241800 21.2 23.1 26.4 319 18.0 0.1 10.0 70.7
20220241700 19.1 21.4 26.6 311 20.5 4.2 12.7 71.5
20220241600 15.9 17.3 23.7 314 22.8 8.5 15.5 73.4
20220241500 13.2 14.6 19.1 310 24.4 11.8 18.7 78.6
20220241400 12.4 14.2 18.7 323 24.8 12.7 18.2 75.8
20220241300 12.4 15.0 17.9 320 25.0 12.9 18.2 75.1
20220241200 15.2 16.5 16.9 298 25.5 12.4 20.1 79.8
20220241100 14.6 15.7 20.2 271 25.2 12.1 22.2 88.3
20220241000 13.0 14.8 18.1 212 24.4 11.9 21.5 88.6
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: 20220125.04t.txt, data format (metadata)
      right arrow Click here for past data: 2022 | 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