Apr 19, 2026 Seoyoung Kang www.noaa.gov According to AFP, the Copernicus Climate Change Institute (C3S) under the European Union (EU) observed the average temperature of the ocean surface in March of this year, 20.97 degrees Celsius. This result is surprising because it is the second-highest ever recorded for March. The high ocean temperature is mainly due to ongoing global warming and El Niño. El Niño is a natural climate pattern characterized by the unusual warming of surfa