Coral Bleaching - Anns Attic
Corals at this dive site have experienced elevated temperatures 5 times in the past 5 years.
- Minor stress - Possible Bleaching: 04-Oct-2020 to 08-Nov-2020
- Extreme stress - Severe Bleaching and Significant Mortality: 16-Jul-2023 to 08-Jan-2024
- Minor stress - Possible Bleaching: 02-Jan-2024 to 08-Jan-2024
- Extreme stress - Severe Bleaching and Significant Mortality: 17-Aug-2024 to 12-Dec-2024
- Extreme stress - Severe Bleaching and Significant Mortality: 03-Aug-2025 to 02-Oct-2025
The most severe conditions for coral bleaching in the past 41 years peaked on 22-Oct-2023. The DHW reached 17.7 C.
For information about why elevated temperatures are so damaging to corals, go to
Coral Bleaching.
Temperature record over the past 5 years
Temperature record over the past 40 years
The data on this page were last updated on 04-Jun-2025. The next update is scheduled for 05-Jul-2025.
