Watching Our Oceans

NASA and its partners announced the renaming of the mission, previously known as Sentinel-6A/Jason-CS.

TOPEX/Poseidon Instruments

TOPEX/Poseidon Ground Tracks

One of the best ways to understand Earth's ocean is from the perspective of space.

Sea Surface Height - Global Average from 1993 - 2011.

Launching aboard the joint U.S.-European Sentinel-6 Michael Freilich satellite is NASA’s next instrument that will help improve weather forecasting.

Sea Surface Height 01/2006-04/2010

It's hard to "see" sea level rise by just looking at the ocean, but its effects are very real.

Recorded live launch broadcast of Sentinel-6 Michael Freilich

Ice covers 10 percent of Earth's surface and helps moderate the planet's temperature.

Jason-CS/Sentinel-6 - How they will work

Decades of Discovery - How altimeters help us every day.

Sentinel-6 Michael Freilich will join a long-standing family of Earth observing satellites from NASA and European partners.

Global sea level rise is accelerating incrementally over time rather than increasing at a steady rate, as previously thought, according to a new study based on 25 years of NASA and European satelli...

The Jason-3 satellite, launched on January 17, 2016, is allowing scientists to continue a 23-year record of crucial ocean monitoring.

For NASA engineer Shannon Statham, building spacecraft is all about being creative.

Here we provide side by side comparisons of Pacific Ocean sea surface height (SSH) anomalies of what is presently happening in 2015 with the Pacific Ocean signal during the famous 1997 El Niño.

Watch the Jason-3 Mission Briefing from Friday, Jan 15, 2016 - panelists gave an overview of the Jason-3 mission.

The joint U.S.-European Sentinel-6 Michael Freilich is the next in a line of Earth-observing satellites that will collect the most accurate data yet on sea level and how it changes over time. With ...

This visualization shows total sea level change between 1992 and 2019, based on data collected from the TOPEX/Poseidon, Jason-1, Jason-2, and Jason-3 satellites. Blue regions are where sea level ha...

On the left is Sea Surface Height Anomalies (SSHA) relative to the sea level mean (1993-2018). On the right is Global Mean Sea Level (GMSL) with the sea level trend as the straight line. The data a...

The Jason-2 satellite sees something brewing in the Pacific. Researchers say it could be a significant El Niño with implications for global weather and climate.

TOPEX/Poseidon Launch

Our planet is changing. Our ocean is rising. And it affects us all. That’s why a new international satellite will continue the decades-long watch over our global ocean and help us better understand...

OSTM/Jason-2 - Data/ground track animation