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Tuesday, 11 August 2026

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Marine heatwave in the North Sea lasts for 188 days

The North Sea has been experiencing a marine heatwave for 188 days, with sea temperatures continuing to break records.

Marine heatwave in the North Sea lasts for 188 days
Photo: Adrien Huet · Wikimedia Commons · Public domain

The Belgian North Sea has been under a marine heatwave for 188 days, marking a new record. This prolonged phenomenon is characterized by a significant increase in sea temperatures.

According to reports, July of this year was particularly warm, with an average sea temperature that was 2.7 degrees above the average of the past 25 years. So far this year, daily records for sea temperature have been broken 63 times.

Marine heatwave in the North Sea lasts for 188 days
Photo: Adrien Huet · Wikimedia Commons · Public domain

It is noted that not only were the air temperatures on land exceptional, but the oceans also experienced the warmest July ever recorded. This indicates that the heat is not confined to land.

The consequences of this ongoing heatwave in the North Sea could be widespread, but specific information on the impact has not been reported.