Station List

Station OKSI2 - Oak St., Chicago, IL Image indicating link to RSS feed of recent meteorological observations for station OKSI2

Owned and maintained by Chicago Park District
C-MAN Station
41.912 N 87.624 W (41°54'44" N 87°37'25" W)

Site elevation: 179 m above mean sea level

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station OKSI2

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yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
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Conditions at OKSI2 as of
(10:00 pm CDT on 05/18/2026)
0300 GMT on 05/19/2026:
     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

5-day plot - Wind Direction Wind Direction (WDIR): W ( 270 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 2 kts
5-day plot - Wind Gust Wind Gust (GST): 5 kts
5-day plot - Air Temperature Air Temperature (ATMP): 70.5 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 2 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 2 kts
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Previous observations
TIME
(CDT)		 5-day plot - Wind Direction
WDIR
 		 5-day plot - Wind Speed
WSPD
kts		 5-day plot - Wind Gust
GST
kts		 5-day plot - Wave Height
WVHT
ft		 5-day plot - Dominant Wave Period
DPD
sec		 5-day plot - Average Wave Period
APD
sec		 5-day plot - Mean Wave Direction
MWD
 		 5-day plot - Atmospheric Pressure
PRES
in		 5-day plot - Pressure Tendency
PTDY
in		 5-day plot - Air Temperature
ATMP
°F		 5-day plot - Water Temperature
WTMP
°F		 5-day plot - Dew Point
DEWP
°F		 5-day plot - Salinity
SAL
psu		 5-day plot - Visibility
VIS
nmi		 5-day plot - Tide (above MLLW)
TIDE
ft
2026-05-18 09:00 pm W 5 11------ 72.0-----
2026-05-18 08:00 pm W 4 10------ 73.6-----
2026-05-18 07:00 pm W 4 8------ 75.0-----
2026-05-18 06:00 pmNNE 2 11------ 77.9-----
2026-05-18 05:00 pm NE 3 7------ 77.7-----
2026-05-18 04:00 pmSSW 3 6------ 79.7-----
2026-05-18 03:00 pm W 5 12------ 81.3-----
2026-05-18 02:00 pmESE 5 7------ 73.4-----
2026-05-18 01:00 pmESE 8 11------ 68.9-----
2026-05-18 12:00 pmESE 8 12------ 67.3-----
2026-05-18 11:00 am N 2 3------ 79.0-----
2026-05-18 10:00 am E 3 5------ 79.7-----
2026-05-18 09:00 amWSW 3 9------ 79.2-----
2026-05-18 08:00 am NW 2 5------ 77.4-----
2026-05-18 07:00 amWNW 3 6------ 76.6-----
2026-05-18 06:00 am NW 2 4------ 76.3-----
2026-05-18 05:00 am W 3 7------ 76.6-----
2026-05-18 04:00 am NW 4 11------ 76.8-----
2026-05-18 03:00 am NW 2 6------ 77.2-----
2026-05-18 02:00 am N 1 2------ 77.7-----
2026-05-18 01:00 am N 1 6------ 78.4-----
2026-05-18 12:00 amNNW 2 12------ 78.6-----
2026-05-17 11:00 pm N 3 5------ 79.2-----
Solar Radiation Conditions at OKSI2 as of
(10:00 pm CDT on 05/18/2026)
0300 GMT on 05/19/2026:
     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

5-day plot - Short Wave Radiation 1 Short Wave Radiation 1 (SRAD1): -3.6watts/meter2
Previous observations
TIME
(CDT)		 5-day plot - Short Wave Radiation 1
SRAD1
w/m2		 5-day plot - Short Wave Radiation 2
SRAD2
w/m2		 5-day plot - Long Wave Radiation
LRAD
w/m2
2026-05-18 09:00 pm -3.8--
2026-05-18 08:00 pm -1.0--
2026-05-18 07:00 pm 35.1--
2026-05-18 06:00 pm 129.7--
2026-05-18 05:00 pm 155.2--
2026-05-18 04:00 pm 285.8--
2026-05-18 03:00 pm 527.3--
2026-05-18 02:00 pm 509.1--
2026-05-18 01:00 pm 334.0--
2026-05-18 12:00 pm 78.4--
2026-05-18 11:00 am 35.2--
2026-05-18 10:00 am 234.7--
2026-05-18 09:00 am 156.0--
2026-05-18 08:00 am 121.7--
2026-05-18 07:00 am 92.4--
2026-05-18 06:00 am 24.0--
2026-05-18 05:00 am -4.2--
2026-05-18 04:00 am -4.3--
2026-05-18 03:00 am -4.4--
2026-05-18 02:00 am -4.3--
2026-05-18 01:00 am -5.1--
2026-05-18 12:00 am -4.9--
2026-05-17 11:00 pm -4.8--