Key takeaways 

• North Atlantic – In the western area of Norway, the marine heatwave is decreasing in intensity and extent.
• Tropical Atlantic – A moderate to strong marine heatwave is developing off the coast of West Africa. Around Cuba and in the Gulf of Mexico, as well as around 60°W, marine heatwaves remain stable.
• North Pacific – The marine heatwave between the Japanese and North American coasts is decreasing in extent and intensity.
• Indian Ocean – Around the Bay of Bengal, the marine heatwave is decreasing in extent and maintaning moderate categories, while off the coast of Sumattra, a marine heatwave is developing.

Tropical Atlantic Ocean

The marine heatwave around Cuba and in the Gulf of Mexico remains generally stable, with moderate and strong categories still in place. The marine heatwave in the center of the basin around 60°W remains generally stable, with moderate categories still predominating. A moderate to strong marine heatwave is developing off the coast of West Africa. 

North Atlantic Ocean	-3°C à 3°C
Mediterranean Sea	-0.5°C à 2.5°C
Tropical Atlantic	-0.5°C à 1.5°C
North Pacific	-3°C à >3°C
Océan Indien	-1°C à 1.5°C