Coral Bleaching - Blue Hole 3rd Level

Corals at this dive site have experienced elevated temperatures 4 times in the past 5 years.

• Minor stress - Possible Bleaching: 10-Sep-2021 to 29-Nov-2021
• Minor stress - Possible Bleaching: 24-Sep-2022 to 30-Nov-2022
• Extreme stress - Severe Bleaching and Significant Mortality: 17-Jul-2023 to 05-Dec-2023
• Minor stress - Possible Bleaching: 15-Aug-2024 to 31-Oct-2024

The most severe conditions for coral bleaching in the past 40 years peaked on 19-Sep-2023. The DHW reached 10.2 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-Nov-2024. The next update is scheduled for 05-Dec-2024.