World's oceans hit hottest temperature ever recorded in August as El Niño takes hold

The average global sea surface temperature outside polar regions reached 21.1°C on Saturday.

Average sea surface temperature outside polar regions was 21.1C on Saturday, latest data finds The world’s oceans were hotter than ever previously recorded on Saturday, according to the latest data. The average surface temperature was 21.1C, with the rising marine heat a stark indicator of the climate crisis. More than