The European climate service Copernicus says the world's oceans have reached their hottest temperature on record.

Average sea surface temperature outside polar regions was 21.1C on Saturday, latest data finds

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

The world’s oceans hit 21.10 degrees Celsius last Saturday, breaking a record set in 2024

The previous record was set in 2024, Earth’s hottest year since record-keeping began in 1880