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
- Swot effectively captures the presence of seiche-like structures in French Polynesia lagoons (2026-04-23)
An article published on the detection by Swot of seiche-like structures in French Polynesia lagoons
- Swot reveals swells that connect ocean storms and mysterious seismic activity (2026-04-20)
A study published in the journal Nature Communications identifies a causal relationship between the occurrence of large storms in the Southern Ocean and, a few days later...
- New: High Resolution Coastal Sargassum Floating Algae Detection (2026-04-13)
The product "High Resolution Coastal Sargassum Floating Algae Detection with VENUS mission in Carribean Arc" provides Alternative Floating Algae Index (AFAI) coastal maps...
Operational News



