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Scientists have recorded the highest temperature ever measured in the world\u2019s oceans, as climate change combines with a powerful El Ni\u00f1o in the tropical Pacific.<\/p>\n
The global average sea-surface temperature hit a record 21.1C (70F) on August 22, according to Europe\u2019s Earth observation agency Copernicus, which has been tracking the metric daily since 1979. The previous single-day record of 21.09C was measured in March 2024.<\/p>\n
\u201cEl Ni\u00f1o is adding heat to the system, but it is doing so on top of decades of human-driven warming,\u201d said Samantha Burgess, strategic lead for climate at Copernicus\u2019 European Centre for Medium-Range Weather Forecasts.<\/p>\n
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\u201cAs ocean temperatures continue to rise, the risks to marine ecosystems and coastal communities also increase,\u201d she said.<\/p>\n
Higher ocean temperatures contribute to sea level rise and increase the chance of extreme weather events, as warmer water transfers more heat and moisture to the atmosphere, intensifying storms and heat on land. Warmer oceans also have a reduced capacity to absorb carbon dioxide.<\/p>\n
Record temperatures have already been measured in isolated areas of the world\u2019s oceans including the western Mediterranean Sea as well as at the Earth\u2019s poles, driven mainly by man-made climate change. Copernicus expects the trend to continue, with ocean temperatures now being supercharged by El Ni\u00f1o.<\/p>\n
The August record is particularly worrying because global ocean temperatures are typically highest in March and April, after the Austral summer, Copernicus said.<\/p>\n
\u00a9 2026 Bloomberg<\/p>\n
#Highestever #ocean #temperature #measured #super #Ni\u00f1o #forms<\/p>\n","protected":false},"excerpt":{"rendered":"
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