UK sea temperatures soar after exceptionally warm spring
- A marine heatwave has occurred in spring 2025 around the UK and Ireland, with the strongest warming off Ireland's west coast and parts of southern England.
- The heatwave developed due to persistent high-pressure systems north of Ireland and Britain combined with easterly winds warming western and southern coastal waters since winter and spring.
- Sea surface temperatures reached up to 4°C above average, with May 19 recording 12.69°C in UK waters and the event lasting about two and a half months, much longer than typical marine heatwaves.
- Scientists warn this early, intense heat threatens marine species’ breeding, may cause jellyfish blooms, disrupt fisheries, and affect coastal livelihoods dependent on marine resources.
- This heatwave reflects ongoing climate change, requiring enhanced monitoring and integrated responses to protect marine ecosystems and coastal communities in the face of increasing marine heatwaves.
10 Articles
10 Articles
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