NDBC has recently revised the NDBC Handbook of Automated Data Quality Control Checks and Procedures. The new document can be found on our Publications page.

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


Conditions at OKSI2 as of
(3:00 am CDT)
0800 GMT on 03/28/2025:
     

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):ESE ( 110 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 6 kts
5-day plot - Wind Gust Wind Gust (GST): 9 kts
5-day plot - Air Temperature Air Temperature (ATMP): 53.2 °F
5-day plot - Wind Chill Wind Chill (CHILL): 51.1 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 6 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 6 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
2025-03-28 02:00 amESE 3 6------ 51.4-----
2025-03-28 01:00 amESE 8 11------ 48.2-----
2025-03-28 12:00 amESE 10 12------ 49.3-----
2025-03-27 11:00 pmESE 8 12------ 48.7-----
2025-03-27 10:00 pmESE 8 13------ 50.2-----
2025-03-27 09:00 pmESE 6 9------ 50.0-----
2025-03-27 08:00 pmESE 6 10------ 51.4-----
2025-03-27 07:00 pmESE 7 9------ 50.0-----
2025-03-27 06:00 pmESE 7 13------ 53.6-----
2025-03-27 05:00 pm W 2 3------ 54.7-----
2025-03-27 04:00 pm W 3 8------ 55.0-----
2025-03-27 03:00 pm NW 3 7------ 55.8-----
2025-03-27 02:00 pm W 5 9------ 55.4-----
2025-03-27 01:00 pm N 2 3------ 55.0-----
2025-03-27 12:00 pmWNW 3 5------ 54.5-----
2025-03-27 11:00 amWSW 2 7------ 54.1-----
2025-03-27 10:00 amSSE 1 3------ 53.2-----
2025-03-27 09:00 am NW 2 5------ 52.0-----
2025-03-27 08:00 amNNW 2 9------ 50.4-----
2025-03-27 07:00 am W 4 8------ 51.1-----
2025-03-27 06:00 am W 5 11------ 49.8-----
2025-03-27 05:00 amWNW 3 7------ 49.6-----
2025-03-27 04:00 am W 4 9------ 49.6-----

Solar Radiation Conditions at OKSI2 as of
(3:00 am CDT)
0800 GMT on 03/28/2025:
     

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): -1.0watts/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
2025-03-28 02:00 am -1.0--
2025-03-28 01:00 am -1.0--
2025-03-28 12:00 am -1.0--
2025-03-27 11:00 pm -1.0--
2025-03-27 10:00 pm -1.0--
2025-03-27 09:00 pm 0.0--
2025-03-27 08:00 pm -1.0--
2025-03-27 07:00 pm -1.0--
2025-03-27 06:00 pm 2.0--
2025-03-27 05:00 pm 27.0--
2025-03-27 04:00 pm 20.0--
2025-03-27 03:00 pm 68.0--
2025-03-27 02:00 pm 61.0--
2025-03-27 01:00 pm 134.0--
2025-03-27 12:00 pm 101.0--
2025-03-27 11:00 am 48.0--
2025-03-27 10:00 am 136.0--
2025-03-27 09:00 am 182.0--
2025-03-27 08:00 am 97.0--
2025-03-27 07:00 am 42.0--
2025-03-27 06:00 am 4.0--
2025-03-27 05:00 am -1.0--
2025-03-27 04:00 am 0.0--