Key takeaways
- Mediterranean Sea – marine heatwave in the eastern part of the basin is decreasing in extent and remains stable in intensity.
- Southern Ocean – the marine heatwave at 60°S in the Southern Ocean is intensifying.
- Tropical Pacific – event off the northern coast of Chile remains stable in extent but is increasing in intensity. Events between Papua New Guinea and Newzeland and near 100°W are increasing in intensity.
Marine heatwave categories
Tropical Atlantic
The marine heatwave affecting the basin is decreasing in extent while remaining in the moderate and strong categories. The marine heatwave west of Liberia is decreasing in extent, and only one scattered area remains in the moderate and strong categories.
Weekly temperature anomalies
| Tropical Atlantic | 0°C to 2°C |
| Southern Ocean | -1°C to 2°C |
| North Pacific | -2°C to > 3°C |
| Tropical Pacific | -2°C to 3°C |
| Indian Ocean | -3°C to 2°C |
| Mediterranean Sea | 0°C to 2.5°C |