Welcome to AVISO +
The reference portal in altimetry merging the historical AVISO website from Cnes and the CTOH website. Here, you will find data, articles, news and tools to help you discover or improve your skills in the altimetry domain through four key themes: ocean, coast, hydrology and ice.
News
- New version DT2024 of Finite Size Lyapunov Exponents product (2025-10-01)
Release of "Finite Size Lyapunov Exponents" (FSLE) product in version DT2024.
- Temporal extension of Experimental Multimission Gridded Sea Level Heights and Velocities with SWOT (2025-10-01)
The product "Experimental Multimission Gridded Level 4 Sea Level Heights and Velocities with SWOT using MIOST mapping method" has been extended until 2025/06/30.
- Transition of OSI SAF Sea-Ice Products from SSMIS to AMSR-2 Data (2025-09-19)
Following a planned discontinuation of SSMIS data provision in September 2026, and aligned with EUMETSAT recommendations, the CNES/CLS production teams have transitioned ...
Operational News
Products guide
Image of the Month
Ocean indicator : Global Mean Sea Level rise
