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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 2:50 am CDT on 03/29/2024 (DOY 089 07:50 GMT)
(Updated every 15 minutes)
Wind Speed:   10.1 kts   (5.2 m/s)
Max Wind Speed:   10.5 kts   (5.4 m/s)
Wind Direction:   342° (NNW)
Air Temperature:   41.9 °F   (5.5 °C)
Dew Point:   26.4 °F   (-3.1 °C)
Relative Humidity:   53.9 %
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 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
m/s
Wind
Gust
m/s
Peak
Wind
m/s
Wind
Dir
deg
Air
Tmp
C
Wind
Chill
C
Dew
Pt
C
Rel
Hum
%
20240890200 4.4 4.8 5.7 334 6.4 -99.0 -5.8 41.2
20240890100 1.8 2.1 4.6 330 6.2 -99.0 -2.0 55.5
20240890000 0.5 0.9 2.3 297 5.7 -99.0 0.8 70.7
20240882300 3.1 3.2 3.2 354 6.9 -99.0 -0.1 61.0
20240882200 3.8 4.0 5.8 329 7.8 -99.0 -0.4 56.2
20240882100 4.5 4.8 5.6 316 8.7 -99.0 -0.8 51.0
20240882000 4.2 4.6 6.2 292 9.0 -99.0 -0.6 50.9
20240881900 5.0 5.8 6.7 301 9.2 -99.0 -1.4 47.4
20240881800 6.4 7.3 7.9 296 9.3 -99.0 -2.0 45.1
20240881700 8.8 10.2 10.2 266 8.8 -99.0 -1.2 49.4
20240881600 6.1 8.2 11.4 251 8.9 -99.0 -3.4 41.7
20240881500 8.8 10.4 11.5 262 8.1 -99.0 -3.9 42.5
20240881400 8.2 10.3 12.5 254 7.2 -99.0 -3.1 47.8
20240881300 5.6 6.8 12.0 253 6.6 -99.0 -4.9 43.5
20240881200 7.1 10.0 10.3 256 5.5 -99.0 -5.3 45.7
20240881100 5.5 6.5 10.1 250 4.2 0.1 -6.3 46.2
20240881000 8.8 10.6 10.6 257 3.4 -2.2 -7.8 43.9
20240880900 4.6 5.7 9.2 248 2.7 -1.3 -6.8 49.5
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 recent 2-minute daily data: 20240329.04t.txt.txt, data format (metadata)
      right arrow Click here for past data: 2024 | 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