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
(4:00 pm CST)
2200 GMT on 12/28/2025:
     

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): 4 kts
5-day plot - Wind Gust Wind Gust (GST): 11 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): 4 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 4 kts
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Previous observations
TIME
(CST)		 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
2025-12-28 03:00 pmNNW 2 3------ 51.3-----
2025-12-28 02:00 pm E 5 8------ 55.0-----
2025-12-28 01:00 pm SE 3 9------ 54.7-----
2025-12-28 12:00 pmESE 5 10------ 55.6-----
2025-12-28 11:00 amESE 5 10------ 54.5-----
2025-12-28 10:00 am SE 6 10------ 51.3-----
2025-12-28 09:00 amESE 4 6------ 54.9-----
2025-12-28 08:00 am E 1 2------ 48.6-----
2025-12-28 07:00 amESE 3 5------ 57.4-----
2025-12-28 06:00 amNNW 2 5------ 53.1-----
2025-12-28 05:00 am E 4 9------ 53.2-----
2025-12-27 06:00 pmESE 6 11------ 41.7-----
2025-12-27 05:00 pm E 5 10------ 41.7-----
Solar Radiation Conditions at OKSI2 as of
(4:00 pm CST)
2200 GMT on 12/28/2025:
     

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): -2.0watts/meter2
Previous observations
TIME
(CST)		 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
2025-12-28 03:00 pm 10.0--
2025-12-28 02:00 pm 10.0--
2025-12-28 01:00 pm 25.0--
2025-12-28 12:00 pm 46.0--
2025-12-28 11:00 am 76.0--
2025-12-28 10:00 am 3.0--
2025-12-28 09:00 am 24.0--
2025-12-28 08:00 am 7.0--
2025-12-28 07:00 am 0.0--
2025-12-28 06:00 am -2.0--
2025-12-28 05:00 am -1.0--
2025-12-27 06:00 pm 2.0--
2025-12-27 05:00 pm 2.0--