France is experiencing an intense heatwave impacting both land and sea. Atlantic surface temperatures have reached 21°C, while the Mediterranean Sea has climbed to 25.6°C. These temperatures are unusually high for June, typically seen in August. The warming ocean poses concerns for marine ecosystems and coastal activities. Experts attribute the phenomenon to a combination of climate change and weather patterns. The record temperatures are prompting monitoring of potential impacts on marine life and coastal regions. Authorities are advising caution for those engaging in water activities.