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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 2:36 am CST on 03/03/2026 (DOY 062 08:36 GMT)
(Updated every 15 minutes)
Wind Speed:   11.1 kts   (5.7 m/s)
Max Wind Speed:   11.7 kts   (6.0 m/s)
Wind Direction:   124° (SE)
Air Temperature:   34.0 °F   (1.1 °C)
Wind Chill:   25.0 °F   (-3.9 °C)
Dew Point:   26.8 °F   (-2.9 °C)
Relative Humidity:   74.8 %
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 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
%
20260620200 5.3 5.6 6.1 107 1.3 -3.5 -3.2 72.0
20260620100 5.2 5.6 6.3 087 1.6 -3.0 -3.3 69.8
20260620000 4.5 4.8 6.0 097 2.0 -2.1 -3.4 67.4
20260612300 7.4 7.8 7.9 106 2.4 -3.0 -4.1 62.0
20260612200 6.3 6.5 8.1 102 2.6 -2.3 -3.5 63.9
20260612100 6.2 6.5 7.5 100 2.6 -2.2 -2.2 70.6
20260612000 7.3 7.5 8.2 087 2.3 -3.1 -1.5 76.1
20260611900 7.4 8.0 8.2 074 2.0 -3.5 -1.7 76.2
20260611800 2.9 3.3 8.2 027 1.7 -1.4 -1.8 77.3
20260611700 3.9 4.2 4.3 020 1.5 -2.4 -2.3 75.8
20260611600 2.9 3.1 4.3 022 1.4 -1.7 -3.2 71.6
20260611500 3.4 3.9 4.2 049 1.1 -2.5 -4.3 67.3
20260611400 5.1 5.4 5.4 068 0.7 -4.1 -6.3 59.7
20260611300 5.4 5.8 6.1 079 0.0 -5.1 -6.3 62.8
20260611200 5.6 6.1 6.4 096 -0.6 -6.0 -7.4 60.1
20260611100 5.4 5.8 6.3 112 -0.8 -6.1 -8.2 57.3
20260611000 6.4 7.1 7.8 112 -1.5 -7.6 -8.2 60.3
20260610900 7.6 8.2 8.5 123 -1.9 -8.6 -8.2 62.4
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: 20260303.04t.txt.txt, data format (metadata)
      right arrow Click here for past data: 2026 | 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