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coralreefwatch.noaa.gov/

NOAA Coral Reef Watch

Freeauth: noneCustom#weather#ocean#coral-reef#sea-surface-temperature#us-government#files✓ verified Nov 11, 2026

NOAA Coral Reef Watch

NOAA Coral Reef Watch (coralreefwatch.noaa.gov) publishes daily global 5 km satellite sea-surface temperature and coral bleaching heat-stress products (Degree Heating Weeks, alert areas) plus regional virtual-station time series, as file downloads with no key.

Required Attribution:

Requested, not required: "Credit and courtesy should be given to "NOAA Coral Reef Watch"."

Coverage

Daily global 5 km satellite sea-surface temperature, coral bleaching heat stress (Degree Heating Weeks, alert areas) and regional virtual-station time series, confirmed live today via the product and virtual-station data pages. History start and update frequency: Not stated.

Verdict

Daily global 5 km satellite sea-surface temperature, coral bleaching heat stress (Degree Heating Weeks, alert areas) and regional virtual-station time series from NOAA Coral Reef Watch. Licensed Custom: "NOAA Coral Reef Watch (CRW) data posted on the internet are freely available to the public. All content on this website is considered to be in the public domain and may be distributed freely." Credit is requested: "Credit and courtesy should be given to "NOAA Coral Reef Watch"." Rate limits: Not stated. Signal Lab links only.

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