Met Station Array | Info | Milwaukee | Chicago | Michigan City | South Haven | Muskegon | Alpena | Thunder Bay Island | Toledo Light #2

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.
Conditions at 4:30 pm CDT on 09/02/2015 (DOY 245 21:30 GMT)
(Updated at about 03,18,33,48 minutes past the hour)
Wind Speed:   10.9 kts   (5.6 m/s)
Max Wind Speed:   14.0 kts   (7.2 m/s)
Wind Direction:   221° (SW)
Air Temperature:   87.3 °F   (30.7 °C)
Plot & Data of Previous 3 Hours (2 minute increments)
Plot of Previous 5 Days (hourly increments)
1-Day Windrose Plot, 5-Day Windrose Plot, (explanation)

Click on image to enlarge (image updated 6X per hour)
Webcam Location & Info
Webcam Disclaimer
[Live Webcam Image from Chicago, IL Met Station]

6-hr animations

Previous 24 Webcam Images (top of hour only)

Nearby Webcams (external sites):
Chicago, facing east courtesy of LakeVision.com
Loyola University Lake Shore Campus
Looking Downtown Chicago courtesy of MW hazecam

-------- Previous 18 Hours (at top of hour)  [English] [Metric] --------
YEARDOY CDT WIND
SPD
kts
WIND
GUST
kts
PEAK
WIND
kts
WIND
DIR
deg
AIR
TEMP
deg F
20152451600 10.3 12.6 17.5 229 86.7
20152451500 9.9 14.8 17.3 228 86.7
20152451400 7.4 11.1 17.5 147 81.5
20152451300 10.9 13.8 13.8 145 81.0
20152451200 8.4 10.5 13.4 159 80.2
20152451100 8.9 9.9 11.3 172 78.6
20152451000 7.0 8.0 9.9 201 77.4
20152450900 8.2 9.5 10.7 218 75.6
20152450800 3.5 4.9 10.5 233 74.1
20152450700 8.4 10.1 11.7 197 74.1
20152450600 2.5 5.2 10.7 163 74.1
20152450500 2.3 6.0 10.3 165 72.5
20152450400 9.5 13.0 16.5 241 75.6
20152450300 7.4 9.5 14.8 236 75.2
20152450200 8.7 11.9 13.0 168 73.6
20152450100 7.6 14.2 14.2 217 75.6
20152450000 14.0 17.3 19.6 213 78.1
20152442300 19.4 25.5 25.5 205 77.9
Note: Peak wind is max wind gust during entire hour

      Click here for today's 2-minute data: 20150902.04t.txt, data format (metadata)
      Click here for past data: 2015 | 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 / WES.

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
» Detailed Winds and WebCams courtesy of iWindsurf.com
» NWS Great Lakes Marine Text Forecasts by Zone
» Links to Great Lakes Water Temperature, Wind/Wave Data, & Water Levels
» Additional GLERL WebCams
» Additional Great Lakes WebCams from GLIN
» GLIN: Great Lakes Information Network