Delivery of Suomi National Polar-orbiting Partnership (Suomi NPP) satellite data products will cease on November 1, 2026. Data users should transition now to alternative products from NOAA-21 and NOAA-20.
Suomi NPP data announcement
SWOT Resources
SWOT Documents
| Name Sort descending | Description | File Type | Date Published | |
|---|---|---|---|---|
| Quick Guide: SWOT HR River Discharge Products v3 | Quick Guide: SWOT HR River Discharge Products v3 | PDF (799.6 kb) | Dec. 10, 2025 | |
| SALP Products Specification – SWOT Nadir Altimeter User Products | SALP Products Specification – SWOT Nadir Altimeter User Products | PDF (1.43 mb) | April 11, 2022 | |
| Surface Water and Ocean Topography (SWOT) Project - Release Note - Version D KaRIn Science Data Products | Surface Water and Ocean Topography (SWOT) Project - Release Note - Version D KaRIn Science Data Products | PDF (3.36 mb) | April 23, 2025 | |
| SWOT Beta Pre-Validated HR Product | SWOT Beta Pre-Validated HR Product | KMZ (1.48 mb) | Dec. 4, 2023 | |
| SWOT Project - Release Note - Version C KaRIn Science Data Products | SWOT Project - Release Note - Version C KaRIn Science Data Products | PDF (2.61 mb) | March 6, 2024 | |
| SWOT Project Release Note - Beta Pre-Validated KaRIn Products | SWOT Project Release Note - Beta Pre-Validated KaRIn Products | PDF (329.55 kb) | Nov. 30, 2023 |
SWOT Learning Resources
This ARSET training focuses on introducing SWOT freshwater data products and their applications for water resources and disaster management.
Training
May 13-15, 2025
Our Earth Data Officer, Katie Baynes, spoke at the Federal GIS Conference Plenary. In case you missed her presentation, here is a story map for you to catch up on how NASA Earth data can be leveraged in your GIS project.
StoryMap
March 5, 2025
SWOT presents opportunities and challenges in characterizing sea surface height anomalies.
Data in Action
March 14, 2024
Learn how to discover, access, and use Surface Water and Ocean Topography (SWOT) mission data and how these data can lead to new, innovative science and applications in the world of water.
Webinar
March 6, 2024
SWOT data reveals the topography of the ocean surface at finer scales than ever before.
Data in Action
Dec. 7, 2023
SWOT provides high-resolution data to help researchers monitor the vertical transport of heat and carbon within the ocean.
Data in Action
Sept. 15, 2023
The Surface Water and Ocean Topography (SWOT) mission will provide the first-ever full view of Earth's freshwater bodies from space.
Data in Action
Dec. 12, 2022
SWOT and ECCO can measure sea surface height at different resolutions for monitoring the ocean's vertical heat, carbon transport, and other processes.
Data in Action
Nov. 2, 2022
SHOWING 8 OF 19
SWOT News
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This virtualized data representation of the SWOT version D Basic time series allows users to access and download only the parts they want.
News
June 5, 2026
New SWOT L4 river water flow and quality estimates support water resources management, extremes forecasting, and science research.
News
Jan. 16, 2026
Learn how SWOT data may fill gaps in the observational record of sea ice thickness change.
News
Nov. 13, 2025
Drill down to the specific NASA Earth science data you need using OPeNDAP.
News
Sept. 10, 2025
A summary of datasets, products, and resources released by NASA’s Distributed Active Archive Centers (DAACs) in July 2025.
News
Aug. 13, 2025
The Water Information from SPace (WISP) dashboard brings together data from NASA’s SWOT satellite and USGS streamgages in a user-friendly application.
Blog
July 30, 2025
Join us on Wed., July 30 at 2:00 p.m. EDT (-04:00 UTC) to explore SWOT hydrology data collections of rivers and lakes, and to learn how to work with SWOT hydrology data using tools provided by both NASA's PO.DAAC and the USGS.
Webinar
July 18, 2025
A summary of datasets, products, and resources released by NASA’s Distributed Active Archive Centers (DAACs) in May 2025.
News
June 12, 2025
SHOWING 8 OF 29
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