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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 12:06 pm CDT on 06/04/2025 (DOY 155 17:06 GMT)
(Updated every 15 minutes)
Wind Speed:   13.2 kts   (6.8 m/s)
Max Wind Speed:   14.0 kts   (7.2 m/s)
Wind Direction:   348° (NNW)
Air Temperature:   58.3 °F   (14.6 °C)
Dew Point:   58.7 °F   (14.9 °C)
Relative Humidity:   101.7 %
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
%
20251551200 12.4 13.6 14.2 340 58.3 58.7 101.7
20251551100 10.5 12.2 14.2 354 57.7 58.2 101.8
20251551000 10.9 13.8 15.6 014 57.7 58.2 101.8
20251550900 15.7 17.7 17.7 014 57.7 58.2 101.7
20251550800 20.0 21.8 25.3 021 57.7 58.2 101.8
20251550700 18.3 21.0 29.2 350 60.3 60.8 101.8
20251550600 13.6 15.6 22.2 222 70.0 70.5 101.9
20251550500 17.3 20.4 23.9 219 71.8 71.3 98.2
20251550400 10.7 13.2 24.3 230 74.7 69.8 84.7
20251550300 14.4 16.1 26.4 221 75.2 68.5 79.3
20251550200 21.8 23.5 30.1 243 76.8 68.8 75.9
20251550100 23.5 25.7 37.1 218 77.9 68.5 72.3
20251550000 25.9 29.0 33.4 214 80.1 67.6 65.3
20251542300 26.0 33.8 37.1 212 81.9 65.1 56.2
20251542200 33.4 36.0 50.0 194 81.1 63.1 53.7
20251542100 34.2 37.1 50.2 191 84.6 63.4 48.4
20251542000 36.4 38.3 42.0 199 85.8 63.7 47.0
20251541900 22.4 25.3 46.3 193 86.7 66.4 50.2
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for recent 2-minute daily data: 20250604.04t.txt.txt, data format (metadata)
      right arrow Click here for past data: 2025 | 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