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NOAA Coral Reef Watch (CRW) Daily Global 5-km (0.05 degree) Satellite Coral Bleaching Heat Stress Monitoring Product Suite

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 27, 2026 | Last Modified: 2026-01-03T00:00:00.000+00:00
The NOAA Coral Reef Watch (CRW) daily global 5-km (0.05 degree) satellite coral bleaching heat stress monitoring product suite (currently Version 3.1, released August 1, 2018) is a next-generation version of CRW's twice-weekly global 50-km (0.5 degree) satellite monitoring product suite. The 5-km suite currently includes sea surface temperature (SST, also known as "CoralTemp"), SST Anomaly, Coral Bleaching HotSpot (HS), Degree Heating Week (DHW), and Bleaching Alert Area (BAA) products, along with a 7-day maximum BAA and a 7-day SST Trend product. It also includes Year-to-date, Monthly, as well as Annual composite (maximum, minimum, and mean) products based on the daily products. This 5-km product suite provides service at or near reef-scales, allowing direct monitoring of the majority of coral reefs globally and significantly reducing data gaps (caused by cloud cover) that were present in the heritage 50-km products. The 5-km products now comprise the core of CRW's next-generation Decision Support System (DSS) for coral reef management. File formats provided are: netCDF and PNG.

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BLEACHING ICE - COVERAGE SEA SURFACE TEMPERATURE WATER TEMPERATURE AATSR ABI AHI ATSR-1 ATSR-2 AVHRR AVHRR-2 AVHRR-3 GOES Imager JAMI MTSAT 2 Imager SEVIRI surface seawater intake VIIRS satellite data drifting buoy GOES-10 GOES-11 GOES-12 GOES-13 GOES-14 GOES-15 GOES-16 GOES-8 GOES-9 Himawari-8 Meteosat-10 (MSG3, Third METEOSAT Second Generation Satellite) Meteosat-11 (MSG4) Meteosat-8 (MSG-1) Meteosat-9 (MSG-2) MetOp-A MetOp-B (Meteorological Operational satellite-B) moored buoys MTSAT-1R (Himawari 6) MTSAT-2 (Himawari 7) NOAA-11 NOAA-12 NOAA-14 NOAA-15 NOAA-16 NOAA-17 NOAA-18 NOAA-19 NOAA-9 SNPP TOGA-TAO BUOYS NOAA Center for Satellite Applications and Research NOAA Center for Satellite Applications and Research Coral Reef Conservation Program (CRCP) Coral Reef Watch (CRW) World-Wide Distribution oceanography DOC/NOAA/NESDIS/STAR > Center for Satellite Applications and Research, NESDIS, NOAA, U.S. Department of Commerce CRCP Project Number - 915 Coral Reef Watch: Satellite- and Model-Based Products for Coral Reef Ecosystem Managers Geographic Information > Sea Surface Temperature EARTH SCIENCE > Biosphere > Zoology > Corals > Coral Diseases > Bleaching EARTH SCIENCE > Biosphere > Zoology > Corals > Coral Diseases > Bleaching > Bleaching Alert Area EARTH SCIENCE > Biosphere > Zoology > Corals > Coral Diseases > Bleaching > Bleaching HotSpot EARTH SCIENCE > Biosphere > Zoology > Corals > Coral Diseases > Bleaching > Bleaching Thermal Stress EARTH SCIENCE > Biosphere > Zoology > Corals > Coral Diseases > Bleaching > Degree Heating Week (DHW) EARTH SCIENCE > Biosphere > Zoology > Corals > Coral Diseases > Bleaching > Sea Surface Temperature (SST) EARTH SCIENCE > Oceans > Ocean Temperature > Sea Surface Temperature EARTH SCIENCE > OCEANS > COASTAL PROCESSES > CORAL REEFS > CORAL BLEACHING EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SEA ICE > ICE EXTENT Oceans > Ocean Temperature > Bleaching Alert Area (BAA) Oceans > Ocean Temperature > Coral Bleaching HotSpot (HS) Oceans > Ocean Temperature > Degree Heating Week (DHW) Oceans > Ocean Temperature > Sea Surface Temperature (SST) Oceans > Ocean Temperature > Sea Surface Temperature Anomaly (SST Anomaly) Oceans > Ocean Temperature > Sea Surface Temperature Trend (SST Trend) Oceans > Ocean Temperature > Water Temperature Spectral/Engineering > Infrared Wavelengths > Thermal Infrared AATSR > Advanced Along-Track Scanning Radiometer ABI > Advanced Baseline Imager AHI > Advanced Himawari Imager ATSR > Along Track Scanning Radiometer and Microwave Sounder ATSR-2 > Along-Track Scanning Radiometer 2 AVHRR > Advanced Very High Resolution Radiometer AVHRR-2 > Advanced Very High Resolution Radiometer-2 AVHRR-3 > Advanced Very High Resolution Radiometer-3 GOES-13 Imager JAMI > Japanese Advanced Meteorological Imager MTSAT 1R Imager MTSAT 2 Imager SEVIRI > Spinning Enhanced Visible and Infrared Imager VIIRS > Visible-Infrared Imager-Radiometer Suite BUOYS GOES-10 > Geostationary Operational Environmental Satellite 10 GOES-11 > Geostationary Operational Environmental Satellite 11 GOES-12 > Geostationary Operational Environmental Satellite 12 GOES-13 > Geostationary Operational Environmental Satellite 13 GOES-14 GOES-15 > Geostationary Operational Environmental Satellite 15 GOES-16 > Geostationary Operational Environmental Satellite 16 GOES-8 > Geostationary Operational Environmental Satellite 8 GOES-9 > Geostationary Operational Environmental Satellite 9 METEOSAT-10 METEOSAT-11 METEOSAT-8 METEOSAT-9 METOP-A > Meteorological Operational Satellite - A METOP-B > Meteorological Operational Satellite - B MSG > Meteosat Second Generation MTSAT-1R > Multi-functional Transport Satellite 1 Replacement MTSAT-2 > The Multi-functional Transport Satellite 2 NOAA-11 > National Oceanic & Atmospheric Administration-11 NOAA-12 > National Oceanic & Atmospheric Administration-12 NOAA-14 > National Oceanic & Atmospheric Administration-14 NOAA-15 > National Oceanic & Atmospheric Administration-15 NOAA-16 > National Oceanic & Atmospheric Administration-16 NOAA-17 > National Oceanic & Atmospheric Administration-17 NOAA-18 > National Oceanic & Atmospheric Administration-18 NOAA-19 > National Oceanic & Atmospheric Administration-19 NOAA-9 > National Oceanic & Atmospheric Administration-9 Suomi-NPP > Suomi National Polar-orbiting Partnership TAO > TROPICAL ATMOSPHERE OCEAN MTSAT-1R (ICES code: 496M, 2005-2015) MTSAT-2 (ICES code: 4960, 2006-) MetOp-A (ICES code: 064Q, 2006-2016) NOAA-11 (ICES code: 3101, 1988-2004) NOAA-12 (ICES code: 3207, 1991-2007) NOAA-14 (ICES code: 3277, 1994-2007) NOAA-15 (ICES code: 334W, 1998-2016) NOAA-16 (ICES code: 33J9, 2000-2014) NOAA-17 (ICES code: 33ZS, 2002-2013) NOAA-18 (ICES code: 33WM, 2005-2016) NOAA-19 (ICES code: 33Y9, 2009-2016) NOAA-9 (ICES code: 33OO, 1984-1998) TOGA-TAO BUOY ARRAYS (ICES code: 33TT) Multiple Ships buoy - drifting buoy OCEAN BASIN > Atlantic Ocean OCEAN BASIN > Indian Ocean OCEAN BASIN > Pacific Ocean GEOGRAPHIC REGION > GLOBAL OCEAN

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