Coral Bleaching Outlook - Forecast

Date modified: 27 March 2026

The NOAA Coral Reef Watch (CRW) weekly Four-Month Coral Bleaching Outlook product (version 5.0) was released publicly on March 27, 2018, after being made available on November 21, 2017. This Outlook, updated weekly, utilizes daily sea surface temperature forecasts from NOAA/NCEP's Climate Forecast System Version 2 (CFSv2), a comprehensive ocean-land-atmosphere climate model. Further details on the CFS-based Bleaching Outlook can be found in Eakin et al. (2012) and Liu et al. (2018). The output is probabilistic, showing 60% and 90% chance of the thermal stress occurring. We subset the outlook as shown on the map.

Source metadata

  • Parameter: Sea surface temperature (SST) showing 60% chance of the thermal stress occurring (i.e. predicted by at least 60% of ensemble members).
  • Updated Frequency: Weekly
  • Data Resolution: 0.5° x 0.5°
  • Applications: Early Warning and Risk Assessment/Marine Protected Area (MPA) Management/Fisheries Management
  • Usage rights: Please contact the provider of this data for more information, including information about usage rights and constraints.
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Data and Resources

Rating
Identifier ocean-middleware:18
Issued 2026-03-27T15:45:39.337207
Modified 2026-03-27T15:45:39.337243
Language English
Frequency Weekly
DCAT Type Dataset
Source https://oceanportal.spc.int/explorer?share=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-Y54vl-gArgACwbrc7zcH4gOCCIuIwQwYO2GEiKIzC4+pWD+f4AUBswzAwbhXvOS4rgEa7Pruu6EMc15IVGKERGhr7BlhiHLgAHPeUYES+RHYbe95PoRu7PJ8aJlPYRTggAcgAIlCeTwieZ5kB0MCgXsD6EKRhC4F20kLs8tBan+zB6jwsbgDASzFmQNh2HsTiuO4Xg+H4gQuLozjwLE8SJN07IWTMcAeAA4niKiafwWDORqLjjIYAD8PLkEwLgALwEAAZKU5ShWaQwjJc4yclFVBJrQvqhREUURmlGUAMx5RFIlhV2EXJqFABWeIRRIlAYMwoUMM88a4mQIhaWIirEAiaVwbQCD1V8yDmGAlghgoLj9YNbWbNgKDNmAYB8AIIxkEszDzBAYlpsQ62bS4Om2PYnpGKEMweKCWCnBIZBOShHhdtEuAeIGPYeAt9QSItHioAA5AAxFC3HcaR4ILr9mEA0C0NApuEPHFDQJQn2ETw4jm5w5D-2kRjcMALoBH9nG0Mck6hAgCBo98LBjFTsp1ZyaNQiIcDMMc7lZicuBMyzbMcxUWG-Xjzx7SFfIQCi9jAJkMAwA8AC+xyHOaZwXFcnI3Hcui0A8HgAKQBFgxx66cxtUh4nEFOKzwNGQtDUGQ5m0MwSDIPg7vLUIIhJp+rPQai6KuyNY0DkeAezIdekfcQg7h4i45ol7GLINHocovAgdkAnGBJzNZZR19S0gPwudjNOWxJ5io1WFOq26fNhcx7n2dJ67qe197LerZA+cN4tH5fmQ5QuMEVchy1aqpGErs7SA5PiBghgzNwwdWCXq0DFyw1YuNeiO7KEtt431h1RtAyUFmiC1GP2IsF+eJ4PLnsjJ1BqKZc9Wqbg8t48QIWcCAQQtBaqdmQKABAwDR7IACA+Hs6kGiswcCgWB6k-AdG7AuQM-YZboJ4HOIM8sn4gHttQfY-hxyu0wAgAAagiDAIwb7EEsCIJeohFBCHJDAVSA4hAPhAEQgY9BPQCBmJQoh1Rr57FwPwoAA
Temporal Coverage From 2026-06-22
Temporal Coverage To 2026-09-14
Publisher Name NOAA Coral Reef Watch; https://www.star.nesdis.noaa.gov/pub/sod/mecb/crw/data/outlook/v5/ - NOAA / NESDIS / STAR File Share
Contact Point
  • NOAA Coral Reef Watch; https://www.star.nesdis.noaa.gov/pub/sod/mecb/crw/data/outlook/v5/ - NOAA / NESDIS / STAR File Share