Earth is simmering in its hottest water temps on record, and that’s bad for fish and us
Summary
The Earth’s oceans reached their highest recorded temperatures recently, caused by a strong natural El Niño event combined with human-driven climate change. This warming harms marine life, disrupts weather patterns, and increases risks like stronger storms and heat waves.Key Facts
- Ocean temperatures hit 21.1°C (70°F), breaking the previous record set in March 2024.
- The warming is driven by a large El Niño and long-term human-caused climate change.
- Warmer oceans reduce oxygen and increase acidity, damaging seafood industries.
- Warm oceans change weather, causing stronger storms and bigger storm surges.
- This summer, ocean temperatures peaked unusually early and are expected to rise further.
- El Niño, a natural warming pattern in the Pacific, is predicted to peak between November and January.
- Ocean warming also worsens heat waves by stopping cooling sea breezes at night.
- The ocean has warmed by about 0.8°C (1.4°F) due to fossil fuel use over time.
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