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Ocean Surface Topography from Space
Sea Level Data from the past 10 days
SARAL, Jason-2 and Jason-3 Measurements from 14-May-2018 to 24-May-2018
Sea Surface Height Anomaly: SARAL, Jason-2 and Jason-3 Measurements from 14-May-2018 to 24-May-2018
Site Highlights
Societal Benefits
Societal Benefits
Data and images from TOPEX/Poseidon and Jason altimeters are being used for practical applications.
Literature Database
Literature Database
A searchable database of ocean surface topography related published works.
Literature Database
OST Science Team
Updates on the latest research being completed by the team of international and interdisciplinary scientists.
Port-city sea levels linked to ice melt
A new NASA tool links changes in sea level in 293 global port cities to specific regions of melting land ice.

Jason-3 2nd Anniversary!
Celebrating two years of valuable OST measurements for science and society

SpaceX to launch Jason-CS/Sentinel-6
NASA announced it has selected SpaceX as the launch provider for its Sentinel 6A mission.

Link to the Jason-3 Mission page Link to the Sea Level curve data
Latest El Niño/La Niña Watch Data
The latest image from NASA's Jason satellite is updated approximately every 15 days.
Latest Jason data
El Niño: 1997-1998 vs. 2015-2016
A side-by-side animation comparing the two events.
El Nino: 1997-1998 vs. 2015-2016
NASA CNES Aviso PO.DAAC Jet Propulsion Laboratory NOAA

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