Key takeaways

• South Atlantic – A marine heatwave is developing off the coast of Namibia and in the center of the basin around 40°S.
• North Pacific – Marine heatwaves in the region are decreasing both in intensity and in geographical extent.
• South Pacific – Event stretching from southern Papua New Guinea to northern New Zealand is decreasing in extent and intensity.
• Southern Ocean – In the southernmost part of the basin, the marine heatwave remains stable.

Tropical Atlantic

The extent of the marine heatwave in the Gulf of Mexico and the Caribbean Sea is decreasing, but its intensity remains moderate overall. The extent of the marine heatwave in the center of the basin is decreasing, but its intensity remains stable overall. The marine heatwave along the African coast around 15°N remains stable overall in extent and intensity.

Weekly temperature anomalies

Tropical Atlantic	0°C to 1.5°C
South Atlantic	-0.5°C to 3°C
North Pacific	– 2°C to > 3°C
South Pacific	-2°C to 3°C
Indian Ocean	-2°C to 2°C
Southern Ocean	-2°C to 2°C