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The mission

Carrying a suite of cutting-edge instruments, Copernicus Sentinel-3 measures systematically Earth’s oceans, land, ice and atmosphere to monitor and understand large-scale global dynamics. It provides essential information in near-real time for ocean and weather forecasting.

The launch

Date: Sentinel-3A on 16 February 2016
          Sentinel-3B on 25 April 2018
          Sentinel-3C in 2026
Site: Sentinel-3A and -B from Plesetsk Cosmodrome, Russia
         Sentinel-3C from Europe's Spaceport, French Guiana
Launcher: Sentinel-3A and -B on Rockot
                  Sentinel-3C on Vega-C

Sentinel-3

Latest

Sea state
Applications

Satellites reveal the power of ocean swell

08/10/2025 6352 views 57 likes
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Iberian fires August 2025
Applications

Iberian wildfires seen from space

20/08/2025 11868 views 65 likes
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Trends in Arctic sea ice thickness from 2011–2025
Applications

Sea ice lows high on the agenda

24/06/2025 2035 views 22 likes
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Global sea surface temperature
Applications

Sea surface warming faster than expected

17/04/2025 7693 views 62 likes
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Protecting areas of the Atlantic Ocean from human activity
Applications

Protecting ocean biodiversity with satellite data

15/04/2025 2243 views 31 likes
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    This map generated using data from Copernicus Sentinel-3 shows the temperature of the land surface on 2 August 2021.
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    Downloads

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    Documents and publications

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    Documents and publications

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