A strait spanning over 3 km and located around 700 m from the shore at the Cua Nhuong Bridge area saw its water having a yellowish color, with white foams on the surface on Wednesday afternoon. On the other side, the water remained greyish as ships and boats kept traveling back and forth.
Locals said the split of colors occured from Tuesday and got clearer on Wednesday. People have been coming to the site to take photos of the peculiar phenonmenon and upload them on social media.
"This is the first time I've witnessed the seawater having two colors. Using drones gave me very unique photos," said Nguyen Thanh Tung, 30, from Cam Xuyen District.
Nguyen Nhu Hung, chairman of Cam Linh Commune, said that experts cited heavy rains over the past few days for causing the yellowish water from the land to flow towards the sea, where the water in the deeper parts of the sea has a greyish color.
"This is a natural phenomenon and is not environmental pollution," Hung said.
Due to the impacts of cold air, high-altitude winds and other weather patterns, central Vietnam saw heavy rains from Oct. 10.