Wednesday 8th July 2026
By Bridlington Gold Radio Editor
AI generated image - Warm summer seas along Bridlington coastline during marine heatwave conditions
Surface waters around Bridlington, Flamborough and the wider Yorkshire coast are now experiencing moderate to severe marine heatwave conditions, according to new data from the Met Office. Sea temperatures have risen rapidly over the past week, reaching levels normally expected in August, with widespread Category 2 (strong) conditions and pockets of Category 3 (severe) heat.
Sea-surface temperatures around the Yorkshire coast are currently around 2°C above normal, with some offshore areas of England and Wales reaching +4 to +5°C anomalies. These unusually warm waters developed quickly following last week’s record-breaking atmospheric heatwave, which saw the UK’s provisional June temperature record broken on three consecutive days.
Although sea temperatures usually lag behind inland weather by several days, the ocean responded sharply to the extreme heat. The Met Office reports that parts of the North Sea and English Channel are now sitting between 15°C and 19°C, well above seasonal averages.
🌞 Could Get Even Hotter Next Week
With another spell of settled, sunny weather forecast for next week, the Met Office warns that the marine heatwave could intensify further. If seas fail to cool, conditions could reach Category 4 — “extreme”, a level rarely recorded in UK waters.
The English Channel has already been in marine heatwave status for much of 2026, and the North Sea — including the waters off Bridlington — is expected to peak at +4 to +5°C above average in the coming days.
Global monitoring agencies, including the Copernicus Climate Change Service, have confirmed that worldwide sea-surface temperatures have now surpassed previous seasonal records set in 2023 and 2024. The ongoing El Niño event is also contributing to elevated ocean temperatures across Europe.
🐟 Impact on Marine Life
Experts warn that prolonged marine heatwaves can significantly disrupt marine ecosystems. Prof. John K. Pinnegar of CEFAS said warmer seas can:
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shift fish populations
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damage seagrass and kelp habitats
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increase harmful algal blooms
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cause mass mortality events
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alter the distribution of commercially important species
He also noted that warmer waters may attract new species to UK seas — including the recent boom in common octopus, which has caused problems for crab and lobster fisheries in southwest England.
⚠️ RNLI: Cold Water Shock Still a Risk
Despite the warmer-than-average sea temperatures, the Met Office stresses that cold water shock remains a danger. Holly Clements, Head of Warnings and Guidance, said that entering the sea unexpectedly can still trigger cold-water shock, even during a marine heatwave.
Residents and visitors are urged to:
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choose RNLI lifeguarded beaches
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swim between the red and yellow flags
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call 999 for the Coastguard in an emergency
The RNLI’s Float to Live advice remains essential: Tilt your head back, ears submerged, relax, control your breathing, and use gentle hand movements to stay afloat.
The Met Office continues to monitor both atmospheric and oceanic conditions closely as the interaction between the two will determine how long this marine heatwave lasts — and how intense it becomes.