Key takeaways

• North Atlantic (Europe region): Heatwaves off the Brittany coast and south of the British Isles are expanding and intensifying (strong category). The Norwegian Sea heatwave remains extensive with more areas reaching strong intensity.
• Tropical Atlantic: Heatwaves in the Gulf of Mexico and south of Cuba remain stable in size but weaken in intensity. East of Florida, heatwaves shrink in size but grow stronger, reaching strong and locally severe levels.
• Tropical and North Pacific: Around Indonesia, the Philippines, and Papua New Guinea, heatwaves are decreasing in size and intensity. In the North Pacific, the central basin near 30°N and the Sea of Japan heatwaves contract and weaken, while the Sea of Okhotsk heatwave expands and intensifies to extreme levels locally.
• Indian Ocean: The heatwave in the Bay of Bengal is reducing in both extent and intensity.

Tropical North Atlantic

The marine heatwave in the Gulf of Mexico and south of Cuba persists in extent but decreases in intensity, with moderate and locally strong categories observed. The marine heatwave east of Florida is decreasing in extent but increasing in intensity, with the emergence of strong and locally severe categories. 

North Atltantic	-2°C to >3°C
Tropical Atlantic	-2°C to 2°C
Tropical Pacific	-3°C to 2°C
North Pacific	-3°C< to >3°C
Indien	-3°C à 2°C