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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 7:36 pm CDT on 05/12/2021 (DOY 133 00:36 GMT)
(Updated at about 06,21,36,51 minutes past the hour)
Wind Speed:   2.1 kts   (1.1 m/s)
Max Wind Speed:   2.3 kts   (1.2 m/s)
Wind Direction:   110° (ESE)
Air Temperature:   53.2 °F   (11.8 °C)
Dew Point:   36.0 °F   (2.2 °C)
Relative Humidity:   51.6 %
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 6X 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 CDT Wind
Spd
kts 		Wind
Gust
kts 		Peak
Wind
kts 		Wind
Dir
deg 		Air
Tmp
F 		Dew
Pt
F 		Rel
Hum
%
20211321900 2.3 2.9 2.9 117 54.9 37.8 52.2
20211321800 2.3 2.7 3.5 085 52.3 36.8 55.1
20211321700 3.3 4.3 4.5 069 51.6 34.7 52.0
20211321600 5.2 5.6 5.8 072 50.4 36.1 57.7
20211321500 4.9 5.4 7.6 089 49.6 36.7 60.8
20211321400 4.5 4.9 5.6 073 48.6 35.1 59.3
20211321300 5.8 6.4 7.2 103 47.8 36.1 63.5
20211321200 4.9 5.2 6.6 066 47.7 36.8 65.6
20211321100 5.1 6.4 7.4 073 48.2 37.4 65.9
20211321000 5.6 6.0 7.2 046 48.0 35.6 61.8
20211320900 8.0 8.7 9.5 024 48.0 37.5 66.5
20211320800 8.7 9.5 9.9 033 48.4 36.4 63.0
20211320700 7.8 8.6 10.3 016 48.6 39.4 70.2
20211320600 9.1 9.9 10.5 000 48.7 37.7 65.4
20211320500 9.3 10.3 10.3 346 48.6 37.3 64.8
20211320400 8.4 8.9 10.3 334 48.2 37.4 65.8
20211320300 6.4 7.0 8.7 346 48.0 37.2 65.9
20211320200 5.2 6.4 7.8 360 48.2 34.8 59.4
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for today's 2-minute data: 20210513.04t.txt, data format (metadata)
      right arrow Click here for past data: 2021 | 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