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
With more and more altimetry data available, high-precision computation of the Mean Sea Surface is giving more and more...May 2017: Ocean mirrors the deep
Ocean indicator : Global Mean Sea Level rise