Global ocean heat content reached a record high in June

Changes in the Earth's climate system are becoming increasingly alarming. This was reported by Zamin.uz.
According to the latest report released by the European service for ocean monitoring, the average surface temperature of the World Ocean in June 2026 was 21 degrees. This figure is the highest result in the history of instrumental observations, making June an absolute record-holder for ocean temperature.
This information is being widely covered by international news sources. Analysis shows that the first six months of 2026 also ranked among the hottest half-years in human history.
A large part of our planet's ocean system has been engulfed by abnormally warm conditions. These conclusions are based on data from satellite observations, digital modeling, and ocean state re-analysis systems.
Experts are regularly studying changes in the water level using global monitoring tools. Between January and June of this year, the average surface temperature of the ocean approached nearly 21 degrees.
Although this figure differs slightly from records of previous years, it marked 2026 as the second hottest half-year in history. Experts are particularly concerned about the duration and scale of the heat.
By the end of June, nearly 82 percent of the World Ocean area was affected by heatwaves of varying intensity. Ocean heatwaves are a phenomenon where water temperatures remain above the climatic norm for a long period.
Such conditions can last for weeks or months, seriously affecting marine ecosystems, water circulation, and the global weather pattern. According to observation data, the most consistently boiling areas were identified in the tropical parts of the Pacific Ocean, the center of the North Atlantic, as well as the coasts of Chile, California, and Europe.
The Mediterranean Sea became one of the most heated regions. Here, the average temperature rose significantly in the first half of the year, and almost the entire water area was affected by heatwaves.
The situation in the North Atlantic is also complex, with temperature records being broken for several consecutive months in some areas. Such changes can be catastrophic for the marine flora and fauna.
In the tropical part of the Pacific Ocean, the temperature in June recorded the highest figure in the region's history. Scientists explain this situation as natural phenomena related to the redistribution of heat on the ocean surface.
Such processes cause changes in weather conditions worldwide and increase the probability of extreme natural events. Oceans absorb the majority of excess heat in the climate system, which is why their condition is of decisive importance for the future of our planet.
The long-term heat stress of the oceans directly affects not only underwater life but also the severity of weather on land.





