
Image caption
A record-high 22 Degree Heating Weeks (DHW) occurred this summer, nearly tripling the previous record of 8.5 DHW for the same region. NOAA Climate.gov image, based on data from Coral Reef Watch.
This website is an ARCHIVED version of NOAA Climate.gov as of June 25, 2025.
Content is not being updated or maintained, and some links may no longer work.
A record-high 22 Degree Heating Weeks (DHW) occurred this summer, nearly tripling the previous record of 8.5 DHW for the same region. NOAA Climate.gov image, based on data from Coral Reef Watch.