Coral Bleaching - Southwest Reef

Corals at this dive site have experienced elevated temperatures 7 times in the past 5 years.

• Extreme stress - Severe Bleaching and Significant Mortality: 03-Nov-2019 to 09-Jan-2020
• Minor stress - Possible Bleaching: 17-Sep-2020 to 18-Dec-2020
• Minor stress - Possible Bleaching: 12-Sep-2021 to 20-Dec-2021
• Minor stress - Possible Bleaching: 10-Sep-2022 to 08-Dec-2022
• Extreme stress - Severe Bleaching and Significant Mortality: 21-Jun-2023 to 14-Jan-2024
• Major stress - Bleaching: 02-Jan-2024 to 14-Jan-2024
• Extreme stress - Severe Bleaching and Significant Mortality: 01-Jul-2024 to 31-Oct-2024

The most severe conditions for coral bleaching in the past 40 years peaked on 25-Oct-2023. The DHW reached 19.6 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.