Coral Bleaching Index - Big Blue
Corals at this dive site have experienced elevated temperatures 3 times in the past 5 years.
- Minor stress: 22-Feb-2019 to 14-May-2019 - Possible Bleaching
- Minor stress: 26-Feb-2022 to 28-May-2022 - Possible Bleaching
- Extreme stress: 14-Jan-2023 to 25-Jun-2023 - Severe Bleaching and Significant Mortality
Based on the accumulated thermal stresses at Big Blue, the possibility of coral bleaching and mortality is SEVERE.
The most severe conditions for coral bleaching in the past 30 years peaked on 05-Apr-2023.
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 30 years
The data on this page were last updated on 16 August 2023. The next update is scheduled for 10 Septemeber 2023.