Marine heatwave in the North Atlantic

Daily sea surface temperature April - July 2023, compared with 1985-1993 average

Press play to see the map animated.

An animated map showing sea surface temperature anomaly between 1 April and 16 July 2023 over the Atlantic Ocean and part of the Pacific Ocean. It shows the build up of El Niño off the coast of Peru and Ecuador, and the marine heatwave in the North Atlantic Ocean. — Marine heatwave in the North Atlantic

Marine heatwave in the North Atlantic

An animated map showing sea surface temperature anomaly between 1 April and 16 July 2023 over the Atlantic Ocean and part of the Pacific Ocean. It shows the build up of El Niño off the coast of Peru and Ecuador, and the marine heatwave in the North Atlantic Ocean.

Source: NOAA (1985-1993 reference period recommended by NOAA as representative conditions)