Coral Bleaching - Highborn Key Wall

Corals at this dive site have experienced elevated temperatures 6 times in the past 5 years.

• Minor stress - Possible Bleaching: 03-Nov-2019 to 05-Nov-2019
• Minor stress - Possible Bleaching: 08-Jul-2020 to 01-Oct-2020
• Minor stress - Possible Bleaching: 09-Sep-2021 to 03-Dec-2021
• Minor stress - Possible Bleaching: 11-Sep-2022 to 04-Dec-2022
• Extreme stress - Severe Bleaching and Significant Mortality: 08-Jul-2023 to 25-Nov-2023
• Major stress - Bleaching: 15-Jul-2024 to 31-Oct-2024

The most severe conditions for coral bleaching in the past 40 years peaked on 22-Sep-2023. The DHW reached 13.8 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.