According to the National Centre for Hydro-meteorological Forecasting, a low-pressure area would form in the north and middle of the East Sea on July 13-14 and then develop into a tropical depression early next week.

A tropical depression is forecast to hit the East Sea and cause heavy rain in Vietnam's central region
Localities in the central region of Vietnam would experience torrential rain due to the tropical depression.
Northern localities would have rain from the evening of July 13.
Meanwhile, coastal areas from the southern central province of Binh Thuan and the southernmost province of Ca Mau have been predicted to see rain from this evening.