Environment ❯ Climate Change ❯ Global Warming

Ocean Temperatures

Impact on Weather Patterns Hurricane Intensity El Niño Marine Heatwaves Hurricane Formation Marine Ecosystems Pacific Ocean Sea Surface Temperatures Coral Bleaching Marine Heat Waves Mediterranean Sea El Niño Phenomenon El Nino Extreme Weather Events Sea Surface Temperature Effects on Weather Patterns Tropical Cyclones El Niño Effects Sea Surface Temperature Records Heat Effects Impact on Weather Sea Surface Temperature Anomalies Impact on Hurricanes Coral Ecosystems Record Highs Hurricane Season Predictions Gulf of Mexico North Sea Storm Intensity Cyclone Formation Cyclone Formation Conditions Thermal Stress Coral Reef Impact Weather Effects Heat Reservoirs North Atlantic Heat Absorption El Niño Influence Nor'easter Storms UK Hurricane Impact Fossil Fuel Pollution Tropical Systems Baltic Sea Effects on Marine Life Heat Stress Sea Level Rise Pacific Ocean Warming Copernicus Program Record Heat Weather Extremes Impact on Ecosystems Impacts on Weather Heat Waves Heatwaves Tropical Pacific Ocean Weather Anomalies

Oceans Reach Record Daily Heat as El Niño Intensifies

Copernicus says a 21.1°C daily global sea‑surface average on Aug. 22 reflects El Niño layered on long‑term human warming and signals higher risks to storms, marine life and food supplies.

Forecasters See Rising Odds of a Very Strong El Niño in 2026

NOAA Confirms Hottest U.S. March on Record

Leading Models Raise Odds of a Significant El Niño by Late Summer

Study Finds Half of World’s Reefs Bleached in 2014–2017, 15% Suffered Significant Mortality

World’s Oceans Set Another Record for Stored Heat in 2025

NOAA Confirms Unusual 2025 Atlantic Hurricane Season With No U.S. Hurricane Landfalls

Study Finds Florida’s Staghorn and Elkhorn Corals Functionally Extinct After 2023 Heat Wave

Study Finds Nor’easters Intensified With 6% Stronger Winds and 10% More Rain and Snow