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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 7:50 am CST on 02/26/2024 (DOY 057 13:50 GMT)
(Updated every 15 minutes)
Wind Speed:   6.0 kts   (3.1 m/s)
Max Wind Speed:   6.8 kts   (3.5 m/s)
Wind Direction:   18° (NNE)
Air Temperature:   40.3 °F   (4.6 °C)
Dew Point:   38.7 °F   (3.7 °C)
Relative Humidity:   93.9 %
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 CST Wind
Spd
kts
Wind
Gust
kts
Peak
Wind
kts
Wind
Dir
deg
Air
Tmp
F
Wind
Chill
F
Dew
Pt
F
Rel
Hum
%
20240570700 4.5 5.1 8.0 025 40.1 -99.0 39.0 95.7
20240570600 9.3 9.7 10.1 008 40.1 -99.0 38.4 93.4
20240570500 7.4 8.2 10.5 002 41.2 -99.0 36.9 84.7
20240570400 7.6 8.0 9.7 353 42.1 -99.0 35.0 75.7
20240570300 10.1 10.5 10.5 351 43.3 -99.0 33.3 67.5
20240570200 10.9 11.1 13.6 338 46.4 -99.0 32.4 57.9
20240570100 5.2 7.8 11.5 328 51.3 -99.0 31.6 46.6
20240570000 6.0 6.6 10.3 261 52.9 -99.0 37.2 54.8
20240562300 1.2 1.7 12.4 321 52.0 -99.0 37.9 58.4
20240562200 9.7 10.5 10.5 251 55.8 -99.0 36.9 48.7
20240562100 14.4 14.8 15.9 210 56.3 -99.0 35.7 45.5
20240562000 14.6 15.2 15.6 202 57.9 -99.0 33.7 39.6
20240561900 10.9 12.1 14.6 217 58.3 -99.0 33.1 38.2
20240561800 13.8 15.9 16.1 220 59.0 -99.0 33.0 37.1
20240561700 15.0 16.1 20.2 208 59.5 -99.0 32.2 35.2
20240561600 15.4 16.7 18.7 217 58.6 -99.0 32.0 36.1
20240561500 12.4 13.8 21.0 217 57.2 -99.0 32.1 38.2
20240561400 13.8 15.4 20.4 224 53.8 -99.0 32.2 43.5
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: 20240226.04t.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