NOAA - Great Lakes Environmental Research Laboratory

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 2:20 pm CDT on 10/14/2019 (DOY 287 19:20 GMT)
(Updated at about 06,21,36,51 minutes past the hour)

Wind Speed:	5.4 kts (2.8 m/s)
Max Wind Speed:	6.6 kts (3.4 m/s)
Wind Direction:	243° (WSW)
Air Temperature:	50.7 °F (10.4 °C)
Dew Point:	30.8 °F (-0.6 °C)
Relative Humidity:	46.1 %
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

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] ----------
YEAR	DOY	CDT	Wind Spd kts	Wind Gust kts	Peak Wind kts	Wind Dir deg	Air Tmp F	Dew Pt F	Rel Hum %
2019	287	1400	7.2	8.6	8.6	264	50.2	31.2	47.8
2019	287	1300	7.6	9.1	15.0	269	48.6	30.1	48.5
2019	287	1200	9.7	11.9	15.9	291	47.1	28.7	48.3
2019	287	1100	6.6	10.5	14.2	250	45.3	29.6	53.8
2019	287	1000	9.5	10.3	14.8	267	43.7	32.7	64.9
2019	287	0900	10.5	12.4	15.6	264	41.9	34.5	74.7
2019	287	0800	12.6	14.4	14.8	270	41.0	34.1	76.3
2019	287	0700	12.8	14.0	15.4	267	41.4	34.3	75.8
2019	287	0600	11.1	12.4	16.1	274	41.9	34.7	75.4
2019	287	0500	13.6	15.0	15.7	282	42.6	34.0	71.3
2019	287	0400	11.7	12.6	17.7	283	43.2	33.4	68.0
2019	287	0300	12.2	14.6	18.1	271	44.1	33.4	65.8
2019	287	0200	14.0	15.2	16.5	290	44.6	31.2	58.9
2019	287	0100	12.1	14.8	20.0	269	45.1	32.3	60.5
2019	287	0000	15.0	16.5	18.9	288	45.7	32.8	60.3
2019	286	2300	14.2	16.3	16.3	294	46.0	32.0	57.6
2019	286	2200	13.0	15.6	18.3	287	46.2	32.8	59.1
2019	286	2100	15.6	20.0	20.0	299	47.3	33.1	57.4

Note: Peak wind is max wind gust during entire hour

Click here for today's 2-minute data: 20191014.04t.txt, data format (metadata)
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Click here for past data: 2019 | 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

Real-Time Meteorological Observation NetworkChicago, IL (CHII2) Harrison-Dever Crib, approx. 2.75 miles offshore