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.
- SWOT Science Data Products Transitioning from Version C to Version D (2025-05-19)
SWOT Science Data Products Transitioning from Version C to Version D on April 28, 2025. We are pleased to inform you that the transition to KaRIn Version D products is co...
- New Sargassum Seasonal Forecast dataset (2025-05-15)
The sargassum seasonal forecast product allows to anticipate the evolution of sargassum presence in the coming month. This can especially be used to anticipate the magnit...
- SWOT L3_LR_SSH (2-km) v2.0.1 & SWOT L3_LR_WIND_WAVE (250-m) v2.0 on AVISO (2025-05-05)
We are pleased to announce the release on AVISO of SWOT L3_LR_SSH (2-km) in Version 2.0.1 for Cycles 474–578 (Calibration phase) and Cycles 1–ongoing (Science phase) and ...