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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 10:06 pm CST on 01/30/2023 (DOY 031 04:06 GMT)
(Updated every 15 minutes)
Wind Speed:   12.4 kts   (6.4 m/s)
Max Wind Speed:   14.8 kts   (7.6 m/s)
Wind Direction:   303° (WNW)
Air Temperature:   9.3 °F   (-12.6 °C)
Wind Chill:   -7.1 °F   (-21.7 °C)
Dew Point:   -4.9 °F   (-20.5 °C)
Relative Humidity:   52.3 %
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)
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
m/s
Wind
Gust
m/s
Peak
Wind
m/s
Wind
Dir
deg
Air
Tmp
C
Wind
Chill
C
Dew
Pt
C
Rel
Hum
%
20230302200 5.6 6.9 8.2 306 -12.5 -21.0 -20.4 52.2
20230302100 7.7 8.9 9.8 314 -12.6 -22.5 -21.9 46.3
20230302000 8.8 10.0 10.2 317 -12.6 -23.1 -22.2 45.2
20230301900 7.2 8.5 10.6 317 -12.3 -21.8 -22.4 43.2
20230301800 7.4 8.0 10.2 306 -11.5 -20.9 -20.6 47.3
20230301700 6.6 8.8 10.0 298 -11.1 -19.9 -20.9 44.6
20230301600 4.8 7.6 8.4 310 -10.5 -17.9 -19.0 50.3
20230301500 6.6 7.9 8.3 311 -10.7 -19.4 -19.1 50.4
20230301400 8.0 8.7 9.2 298 -10.7 -20.2 -18.8 51.7
20230301300 5.2 6.0 9.0 325 -10.6 -18.3 -17.8 55.7
20230301200 7.5 8.5 9.7 315 -10.8 -20.1 -17.9 56.3
20230301100 6.3 7.5 8.7 312 -11.2 -19.9 -17.8 58.8
20230301000 6.0 7.2 9.6 319 -11.2 -19.7 -17.4 60.5
20230300900 7.0 8.6 9.9 321 -11.0 -20.1 -17.5 58.9
20230300800 7.1 8.0 9.6 312 -10.9 -20.0 -17.5 58.5
20230300700 7.0 8.8 9.9 325 -10.2 -19.0 -17.6 55.2
20230300600 6.9 7.8 10.3 314 -9.9 -18.6 -16.4 59.5
20230300500 6.1 7.2 8.2 318 -9.3 -17.3 -12.8 75.7
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: 20230131.04t.txt.txt, data format (metadata)
      right arrow Click here for past data: 2023 | 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