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. 

Products guide
Image of the Month
25 year long time series of eddy detection is now available and enable to better understand the general dynamics and...May 2018: Eddies' birth and decay around Antarctica
Ocean indicator : Global Mean Sea Level rise