Global Ocean Temperatures Are Entering “uncharted Territory,” Climate Scientists Say

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Global water temperatures are entering “uncharted territory,” ambiance scientists say

Sea aboveground temperatures successful precocious June reached astir 70 degrees Fahrenheit connected average, shattering records

By Jackie Flynn Mogensen edited by Claire Cameron

Sea aboveground temperatures adjacent nan United States, appearing successful agleam red

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The world’s mean ocean temperature shattered records successful June, according to 2 European Union Earth monitoring systems, nan Copernicus Climate Change Service and nan Copernicus Marine Service.

On June 21, water temperatures deed astir 21 degrees Celsius (about 70 degrees Fahrenheit), mounting an “unprecedented” caller grounds for that clip of year, nan 2 services announced successful a associated statement. The erstwhile grounds was group successful 2023 and 2024. Warmer oceans threaten marine life and could lead to greater oversea level rise.

Global representation showing oversea aboveground temperatures

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The precocious is notable because nan satellite is entering into an El Niño event—a cyclic displacement successful water and upwind patterns defined by unusually lukewarm water temperatures. Last month, aft weeks of projections, nan U.S. National Oceanic and Atmospheric Administration (NOAA) wished that El Niño is officially here, that conditions are apt to “strengthen” betwixt November 2026 and January 2027. As Scientific American reported astatine nan time, this could put this year’s arena among nan largest ever recorded, and it could raise water temperatures moreover further.

This intends experts expect much surgery power records—and soon. “With water temperatures astatine these levels and El Niño connected nan horizon, we are apt to spot much somesthesia records autumn successful nan coming months,” said Carlo Buontempo, nan head of nan Copernicus Climate Change Service, successful nan aforesaid statement.

“Current conditions could bespeak nan opening of a caller phase, leading, erstwhile more, to uncharted territory,” he said.

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