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Station 51209 - Aunuu, American Samoa (189) Image indicating link to RSS feed of recent meteorological observations for station 51209

Owned and maintained by Pacific Islands Ocean Observing System (PacIOOS)
Data provided by Scripps Institution of Oceanography
Waverider Buoy
14.273 S 170.500 W (14°16'24" S 170°30'2" W)

Site elevation: sea level
Sea temp depth: 0.46 m below water line
Water depth: 55 m

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station 51209

Large icon indicates selected station.
yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
(24 hours for tsunami stations)

Conditions at 51209 as of
1226 GMT on 09/21/2023:
     

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 - Wave Height Wave Height (WVHT): 11.2 ft
5-day plot - Dominant Wave Period Dominant Wave Period (DPD): 9 sec
5-day plot - Average Wave Period Average Period (APD): 7.1 sec
5-day plot - Mean Wave Direction Mean Wave Direction (MWD): SE ( 132 deg true )
5-day plot - Water Temperature Water Temperature (WTMP): 82.9 °F
Previous observations
TIME
(GMT)		 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
2023-09-21 1156--- 11.5 107.0 SE--- 82.9----
2023-09-21 1126--- 11.2 97.1 SE--- 82.9----
2023-09-21 1056--- 11.2 106.9 SE--- 82.9----
2023-09-21 1026--- 11.2 96.9 SE--- 83.1----
2023-09-21 0956--- 11.2 97.1 SE--- 83.1----
2023-09-21 0926--- 10.8 96.9 SE--- 83.1----
2023-09-21 0856--- 11.2 97.1 SE--- 83.1----
2023-09-21 0826--- 10.5 117.0 SE--- 83.1----
2023-09-21 0756--- 9.5 96.9 SE--- 83.1----
2023-09-21 0726--- 10.2 107.0 SE--- 83.1----
2023-09-21 0656--- 10.2 107.0 SE--- 83.1----
2023-09-21 0626--- 10.2 97.1 SE--- 82.9----
2023-09-21 0556--- 10.2 97.0 SE--- 82.9----
2023-09-21 0526--- 10.5 97.2 SE--- 83.1----
2023-09-21 0456--- 9.8 97.0 SE--- 82.9----
2023-09-21 0426--- 10.5 107.2 SE--- 82.9----
2023-09-21 0356--- 10.5 107.2ESE--- 83.1----
2023-09-21 0326--- 9.8 96.9 SE--- 83.1----
2023-09-21 0256--- 10.5 96.9ESE--- 83.1----
2023-09-21 0226--- 10.5 96.9 SE--- 83.1----
2023-09-21 0156--- 11.2 97.2 SE--- 83.1----
2023-09-21 0126--- 10.5 107.1 SE--- 83.1----
2023-09-21 0056--- 10.8 106.8 SE--- 83.1----
2023-09-21 0026--- 10.8 106.9 SE--- 83.1----
2023-09-20 2356--- 10.8 96.9 SE--- 83.1----
2023-09-20 2256--- 10.2 106.9 SE--- 83.1----
2023-09-20 2226--- 10.8 107.1 SE--- 83.1----
2023-09-20 2156--- 10.5 107.0 SE--- 83.1----
2023-09-20 2126--- 10.5 107.2 SE--- 83.1----
2023-09-20 2056--- 10.5 97.0 SE--- 83.1----
2023-09-20 2026--- 9.8 96.8 SE--- 82.9----
2023-09-20 1956--- 10.8 97.1 SE--- 82.9----
2023-09-20 1926--- 10.8 96.9 SE--- 82.9----
2023-09-20 1826--- 10.5 107.2 SE--- 82.9----
2023-09-20 1756--- 11.2 107.1ESE--- 82.9----
2023-09-20 1726--- 9.8 96.6 SE--- 82.9----
2023-09-20 1656--- 10.5 96.8ESE--- 82.9----
2023-09-20 1626--- 10.5 107.2ESE--- 82.9----
2023-09-20 1556--- 9.8 97.0ESE--- 83.1----
2023-09-20 1526--- 10.2 107.2ESE--- 82.9----
2023-09-20 1456--- 11.2 107.1 SE--- 82.9----
2023-09-20 1426--- 10.5 107.0 SE--- 82.8----
2023-09-20 1356--- 10.5 86.8 SE--- 83.1----
2023-09-20 1326--- 10.8 96.9 SE--- 83.1----
2023-09-20 1256--- 11.8 117.0 SE--- 83.1----
Detailed Wave Summary
for 51209 as of
1226 GMT on 09/21/2023:

These wave data are displayed in rounded times.

     

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 - Significant Wave Height Significant Wave Height (WVHT): 11.2 ft
5-day plot - Swell Height Swell Height (SwH): 4.9 ft
5-day plot - Swell Period Swell Period (SwP): 10.5 sec
5-day plot - Swell Direction Swell Direction (SwD): SE
5-day plot - Wind Wave Height Wind Wave Height (WWH): 10.2 ft
5-day plot - Wind Wave Period Wind Wave Period (WWP): 9.1 sec
5-day plot - Wind Wave Direction Wind Wave Direction (WWD): SE
5-day plot - Wave Steepness Wave Steepness (STEEPNESS): STEEP
5-day plot - Average Wave Period Average Wave Period (APD): 7.1 sec
Previous observations
TIME
(GMT)		 5-day plot - Wave Height
WVHT
ft		 5-day plot - Swell Height
SwH
ft		 5-day plot - Swell Period
SwP
sec		 5-day plot - Swell Direction
SwD
 		 5-day plot - Wind Wave Height
WWH
ft		 5-day plot - Wind Wave Period
WWP
sec		 5-day plot - Wind Wave Direction
WWD
 		 5-day plot - Wave Steepness
STEEPNESS
 		 5-day plot - Average Wave Period
APD
sec
2023-09-21 1156 11.5 4.3 10.5SSE 10.8 9.9 SE AVERAGE 7.0
2023-09-21 1126 11.2 4.6 10.5 SE 10.5 9.1 SE STEEP 7.1
2023-09-21 1056 11.2 3.9 10.5 SE 10.5 9.9 SE AVERAGE 6.9
2023-09-21 1026 11.2 3.9 11.1 SE 10.5 9.1 SE STEEP 6.9
2023-09-21 0956 11.2 4.6 10.5 SE 10.5 9.1 SE STEEP 7.1
2023-09-21 0926 10.8 3.9 10.5 SE 10.2 9.1 SE STEEP 6.9
2023-09-21 0856 11.2 4.3 10.5 SE 10.2 9.1 SE STEEP 7.1
2023-09-21 0826 10.5 4.6 10.5 SE 9.5 9.1 SSE AVERAGE 7.0
2023-09-21 0756 9.5 3.9 10.5 SE 8.9 9.1 SE STEEP 6.9
2023-09-21 0726 10.2 3.9 10.5 SE 9.5 9.9 SE AVERAGE 7.0
2023-09-21 0656 9.8 3.9 11.1 SE 9.5 9.9 SE AVERAGE 7.0
2023-09-21 0626 10.2 4.6 10.5 SE 9.2 9.1 SE STEEP 7.1
2023-09-21 0556 10.2 3.9 11.1 SE 9.5 9.1 SE STEEP 7.0
2023-09-21 0526 10.5 4.6 10.5ESE 9.5 9.1 SE STEEP 7.2
2023-09-21 0456 9.8 3.9 10.5ESE 9.5 9.1 SE STEEP 7.0
2023-09-21 0426 10.5 4.3 10.5 SE 9.8 9.9 SE AVERAGE 7.2
2023-09-21 0356 10.5 3.9 11.1ESE 10.2 9.9 ESE AVERAGE 7.2
2023-09-21 0326 9.8 3.9 10.5ESE 9.2 9.1 SE STEEP 6.9
2023-09-21 0256 10.5 3.6 10.5SSE 9.8 9.1 ESE STEEP 6.9
2023-09-21 0226 10.5 3.9 10.5 SE 9.8 9.1 SE STEEP 6.9
2023-09-21 0156 11.2 4.3 10.5 SE 10.5 9.1 SE STEEP 7.2
2023-09-21 0126 10.5 4.3 11.1 SE 10.2 9.9 SE AVERAGE 7.1
2023-09-21 0056 10.8 3.6 11.1 SE 10.5 9.9 SE AVERAGE 6.8
2023-09-21 0026 10.8 3.3 10.5 SE 10.8 9.9 SE AVERAGE 6.9
2023-09-20 2356 10.8 4.3 10.5 SE 9.8 9.1 SE STEEP 6.9
2023-09-20 2326 10.8 3.9 10.5 SE 10.2 9.1 SE STEEP 7.0
2023-09-20 2256 10.2 3.6 10.5 SE 9.8 9.9 SE AVERAGE 6.9
2023-09-20 2226 10.8 4.3 10.5SSE 10.2 9.9 SE AVERAGE 7.1
2023-09-20 2156 10.5 3.9 10.5 SE 10.2 9.9 SE AVERAGE 7.0
2023-09-20 2126 10.5 3.6 10.5 SE 10.2 9.9 SE AVERAGE 7.2
2023-09-20 2056 10.5 3.9 10.5 SE 9.8 9.1 SE STEEP 7.0
2023-09-20 2026 9.8 3.9 10.5 S 9.2 9.1 SE STEEP 6.8
2023-09-20 1956 10.8 3.9 10.5 SE 10.2 9.1 SE STEEP 7.1
2023-09-20 1926 10.8 3.6 10.5SSE 10.2 9.1 SE STEEP 6.9
2023-09-20 1826 10.5 3.6 11.1 SE 10.2 9.9 SE AVERAGE 7.2
2023-09-20 1756 11.2 3.6 10.5 SE 10.8 9.9 ESE AVERAGE 7.1
2023-09-20 1726 9.8 3.6 10.5ESE 9.2 9.1 SE STEEP 6.6
2023-09-20 1656 10.5 3.6 11.1 SE 9.8 9.1 ESE STEEP 6.8
2023-09-20 1626 10.5 3.6 10.5ESE 10.2 9.9 ESE AVERAGE 7.2
2023-09-20 1556 9.8 3.9 10.5 SE 9.2 9.1 ESE STEEP 7.0
2023-09-20 1526 10.2 3.3 10.5 SE 9.8 9.9 ESE AVERAGE 7.2
2023-09-20 1456 11.2 3.3 10.5 SE 11.2 9.9 SE AVERAGE 7.1
2023-09-20 1426 10.5 3.6 10.5SSE 10.2 9.9 SE AVERAGE 7.0
2023-09-20 1356 10.5 3.9 10.5 SE 9.8 8.3 SE STEEP 6.8
2023-09-20 1326 10.8 3.9 11.1 SE 10.2 9.1 SE STEEP 6.9
2023-09-20 1256 11.8 4.6 10.5 SE 10.8 8.3 SE AVERAGE 7.0

Plot of wave energy versus frequency (and period)