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
(7:00 am CDT)
1200 GMT on 04/22/2025:
     

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): 7 kts
5-day plot - Wind Gust Wind Gust (GST): 10 kts
5-day plot - Air Temperature Air Temperature (ATMP): 51.3 °F
5-day plot - Wind Chill Wind Chill (CHILL): 48.2 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 8 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 8 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
2025-04-22 06:00 amESE 6 8------ 51.4-----
2025-04-22 05:00 amESE 4 6------ 50.5-----
2025-04-22 04:00 amESE 2 2------ 51.1-----
2025-04-22 03:00 am- 0 2------ 51.1-----
2025-04-22 02:00 am W 1 2------ 51.6-----
2025-04-22 01:00 am W 2 5------ 52.5-----
2025-04-22 12:00 amNNW 2 4------ 53.1-----
2025-04-21 11:00 pm NW 1 4------ 53.1-----
2025-04-21 10:00 pmWSW 3 6------ 53.8-----
2025-04-21 09:00 pm- 0 3------ 54.1-----
2025-04-21 08:00 pmWNW 2 4------ 55.4-----
2025-04-21 07:00 pm N 4 7------ 55.9-----
2025-04-21 06:00 pmNNW 3 8------ 56.5-----
2025-04-21 05:00 pm N 3 14------ 56.5-----
2025-04-21 04:00 pmWSW 4 14------ 56.1-----
2025-04-21 03:00 pm W 4 11------ 55.6-----
2025-04-21 02:00 pm W 7 14------ 55.0-----
2025-04-21 01:00 pm W 6 18------ 53.6-----
2025-04-21 12:00 pm NW 5 12------ 52.9-----
2025-04-21 11:00 am W 6 14------ 51.3-----
2025-04-21 10:00 am W 6 22------ 51.1-----
2025-04-21 09:00 am W 5 17------ 50.9-----
2025-04-21 08:00 amWNW 8 19------ 52.2-----

Solar Radiation Conditions at OKSI2 as of
(7:00 am CDT)
1200 GMT on 04/22/2025:
     

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): 328.0watts/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
2025-04-22 06:00 am 41.0--
2025-04-22 05:00 am 6.0--
2025-04-22 04:00 am 0.0--
2025-04-22 03:00 am 0.0--
2025-04-22 02:00 am -1.0--
2025-04-22 01:00 am -1.0--
2025-04-22 12:00 am -1.0--
2025-04-21 11:00 pm -1.0--
2025-04-21 10:00 pm -1.0--
2025-04-21 09:00 pm -1.0--
2025-04-21 08:00 pm -1.0--
2025-04-21 07:00 pm -1.0--
2025-04-21 06:00 pm 22.0--
2025-04-21 05:00 pm 97.0--
2025-04-21 04:00 pm 89.0--
2025-04-21 03:00 pm 215.0--
2025-04-21 02:00 pm 233.0--
2025-04-21 01:00 pm 243.0--
2025-04-21 12:00 pm 233.0--
2025-04-21 11:00 am 234.0--
2025-04-21 10:00 am 183.0--
2025-04-21 09:00 am 141.0--
2025-04-21 08:00 am 92.0--