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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Conditions at OKSI2 as of
(1:00 pm CDT)
1800 GMT on 05/17/2026:
     

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): NE ( 40 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 2 kts
5-day plot - Wind Gust Wind Gust (GST): 3 kts
5-day plot - Air Temperature Air Temperature (ATMP): 58.5 °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
2026-05-17 12:00 pmNNE 3 5------ 57.0-----
2026-05-17 11:00 am NE 4 5------ 56.1-----
2026-05-17 10:00 amNNE 5 6------ 55.6-----
2026-05-17 09:00 am N 5 8------ 55.9-----
2026-05-17 08:00 am N 6 9------ 58.3-----
2026-05-17 07:00 am- 0 5------ 71.2-----
2026-05-17 06:00 amWNW 4 8------ 71.2-----
2026-05-17 05:00 amWNW 2 6------ 70.7-----
2026-05-17 04:00 am N 2 4------ 70.5-----
2026-05-17 03:00 amNNW 2 4------ 71.6-----
2026-05-17 02:00 am W 2 6------ 72.7-----
2026-05-17 01:00 am W 3 10------ 73.2-----
2026-05-17 12:00 am W 5 9------ 73.9-----
2026-05-16 11:00 pm W 4 10------ 75.0-----
2026-05-16 10:00 pm W 5 8------ 77.2-----
2026-05-16 09:00 pm W 3 9------ 78.3-----
2026-05-16 08:00 pmESE 1 2------ 79.9-----
2026-05-16 07:00 pmENE 3 4------ 80.4-----
2026-05-16 06:00 pmWSW 1 3------ 80.8-----
2026-05-16 05:00 pm E 3 4------ 81.9-----
2026-05-16 04:00 pmESE 2 4------ 82.0-----
2026-05-16 03:00 pm SW 2 4------ 83.3-----
2026-05-16 02:00 pm W 2 6------ 82.0-----
Solar Radiation Conditions at OKSI2 as of
(1:00 pm CDT)
1800 GMT on 05/17/2026:
     

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): 363.0watts/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
2026-05-17 12:00 pm 353.0--
2026-05-17 11:00 am 400.0--
2026-05-17 10:00 am 218.9--
2026-05-17 09:00 am 395.1--
2026-05-17 08:00 am 432.3--
2026-05-17 07:00 am 184.5--
2026-05-17 06:00 am 32.0--
2026-05-17 05:00 am -3.9--
2026-05-17 04:00 am -3.6--
2026-05-17 03:00 am -3.7--
2026-05-17 02:00 am -3.9--
2026-05-17 01:00 am -4.1--
2026-05-17 12:00 am -4.1--
2026-05-16 11:00 pm -4.1--
2026-05-16 10:00 pm -4.4--
2026-05-16 09:00 pm -4.6--
2026-05-16 08:00 pm -1.0--
2026-05-16 07:00 pm 60.3--
2026-05-16 06:00 pm 114.4--
2026-05-16 05:00 pm 210.4--
2026-05-16 04:00 pm 244.4--
2026-05-16 03:00 pm 481.2--
2026-05-16 02:00 pm 810.8--