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Marine Heatwave Hits East Anglia

Tuesday, 7 July 2026 16:40

Waters off Norfolk are warmer than normal as the Met Office confirms a Category 2 marine heatwave.

The sea off East Anglia is experiencing a Category 2 marine heatwave, according to the Met Office.

Waters off the Norfolk coast are currently warmer than normal as another spell of hot weather affects the region.

Marine heatwaves happen when sea temperatures remain unusually high for a sustained period. A Category 2 event is classed as strong and can have an impact on marine life and coastal ecosystems.

Experts say warmer seas can affect wildlife by changing feeding patterns, migration routes and breeding conditions. They can also put pressure on commercially important fish and shellfish species, which may move to cooler waters or struggle in changing conditions.

The warmer sea temperatures come after a period of extreme heat across Norfolk and the wider east of England, with several weather records already under review.

Scientists say marine heatwaves are becoming more closely monitored because of their potential impact on the environment, fishing, tourism and coastal communities.

People visiting the coast may not notice an immediate difference, but experts warn that prolonged warmer water can have longer-term consequences below the surface.

 

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