Marine Heatwaves Push Up Irish Sea Surface Temperatures

29th July 2025

Afloat.ie Team

Drakes Pool in Cork Harbour in Co Cork Credit: Bob Bateman

Recent marine heatwaves in the north Atlantic pushed Ireland’s sea surface temperatures up four degrees Celsius higher than normal.

As The Sunday Independent reports, satellite data analysed by the University of Maine’s climate change institute showed the impact of marine heatwaves on the north-east Atlantic.

The university’s modelling tracked warming which began off the Cork coast in May and moved up the west coast towards Donegal, with extensive sea surface areas recording temperatures of three to four degrees Celsius above average.

Temperatures are currently back to normal for this time of year off the west coast. However, Met Éireann had reported marine heatwaves in June of last year and May of this year.

The University of Maine modelling showed that parts of the north-west Atlantic and waters off west Africa did not indicate significant temperature increases.

Read The Sunday Independent here

Published in Weather, Marine Science, Marine Heatwave

Published in Weather

Tagged under

Marine Heatwave

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