IMPORTANT USER ALERT (2 July 2024): This past weekend, a storage server at NOAA's Center for Satellite Applications and Research, which delivers the NOAA Coral Reef Watch data, suffered a hardware failure. The issue is being addressed, and we hope to have the NOAA Coral Reef Watch data back up and running as soon as possible. (1) The most recent data will be made available first; historical data may take time to be restored. (2) If you need specific data that are not yet available, please contact us at coralreefwatch@noaa.gov. (3) If you use code to pull data, please revise your code to use “…/socd/…” in lieu of “…/sod/…” in all relevant web addresses for all future needs. We apologize for any inconvenience this may cause.




Satellites & Bleaching

50km Products Overview

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Intro to Our 50km Data Products  |  Data Delivery and Formats
CRW products in Google Earth

Our SST Anomaly product, displayed on Google Earth, shows La Niña conditions in the equatorial Pacific in 2007.

Coral Reef Watch (CRW) provides its 50km data in a variety of formats. Images of our main 50km products are accessible here. For scientific users, we also provide raw data files for the 50km products in hierarchical data format (HDF). NOAA's CoastWatch Program developed a free Utilities tool that can read these 50km HDF data files, or users can read the data directly into their own applications or models.


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