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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. See also rtmon status, webcam status
Conditions at 3:36 pm CDT on 07/10/2026 (DOY 191 20:36 GMT)
(Updated every 15 minutes)
Wind Speed:   11.5 kts   (5.9 m/s)
Max Wind Speed:   12.6 kts   (6.5 m/s)
Wind Direction:   2° (N)
Air Temperature:   71.8 °F   (22.1 °C)
Dew Point:   69.2 °F   (20.7 °C)
Relative Humidity:   91.5 %
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 every 30 minutes)

[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]

18-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
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
%
20261911500 10.9 11.9 13.8 004 71.4 68.7 91.0
20261911400 8.4 8.9 13.6 359 71.4 69.1 92.3
20261911300 9.7 10.5 11.3 003 70.9 68.6 92.3
20261911200 13.0 14.0 14.0 007 70.7 67.5 89.4
20261911100 13.2 13.8 15.4 360 70.7 67.8 90.4
20261911000 10.7 11.7 14.0 002 71.1 67.5 88.2
20261910900 8.4 9.3 12.2 002 71.1 67.7 89.0
20261910800 10.9 12.4 13.0 358 70.9 67.0 87.4
20261910700 9.3 10.3 12.4 001 71.2 66.7 85.3
20261910600 10.1 10.9 11.7 000 71.6 68.7 90.5
20261910500 11.7 12.1 12.2 007 71.6 69.5 93.1
20261910400 10.3 11.1 14.0 356 71.4 70.4 96.6
20261910300 8.6 9.7 11.5 350 71.2 70.7 98.2
20261910200 9.3 9.7 12.2 016 72.0 71.4 98.1
20261910100 12.8 13.8 13.8 003 72.7 72.5 99.5
20261910000 8.6 8.9 14.2 335 73.4 73.5 100.4
20261902300 6.4 7.4 11.9 356 73.6 72.1 95.1
20261902200 7.8 8.4 12.8 012 74.3 71.0 89.4
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for recent 2-minute daily data: 20260710.04t.txt.txt, data format (metadata)
      right arrow Click here for past data: 2026 | Archive

The NDBC station ID for this station is: CHII2
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

Contact:
General Information & Media Inquiries:
oar.glerl.www@noaa.gov
(734) 741-2235 		Data Inquiries:
oar.glerl.data@noaa.gov