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
Satellite observations of floods may be used in early flood warning systems. SWOT is not planned as an operational...June 2018: As the flood flows
Ocean indicator : Global Mean Sea Level rise