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.
- A third tsunami observed by Swot, due to Kamchatka earthquake (2025-08-11)
Just over an 1 hour after the recent Kamchatka earthquake and subsequent tsunami, the Swot satellite overflew the area, measuring the tsunami wave front, an important add...
- New Slope correction for Sentinel-6A SAR altimetry (2025-08-06)
This product provides slope correction maps for Sentinel-6A SAR mode. These maps are derived from the approach originally developed for LRM mode by Sandwell and Smith (20...
- Sentinel-6B traveling from Europe to its launch base in California (2025-07-28)
The next reference altimetry satellite, Copernicus Sentinel-6B, has begun its journey to the Vandenberg Space Force Base in California (USA), where it is scheduled to lau...