Due to the conflux of the tropical low pressure and the south-west monsoon, there were strong winds in Huyen Tran and Truong Sa archipelago.
At 10am on June 2, the tropical low pressure was about 170km to the south-west of Song Tu Tay Island. Strongest winds near the centre of the tropical low pressure were estimated at 40-60km per hour.
Over the next 24 hours, the tropical low pressure is forecast to move north-west at a speed of 10-15 km per hour and is expected to gain strength.
At 10am on June 3, the system will be about 270km east of the coastal south-central region, with strongest winds near its centre reaching up to 50-60km per hour.
Forecasters said due to the confluence of the tropical low pressure and the south-west monsoon, heavy rain and thunderstorms will affect coastal areas from Binh Thuan to Ca Mau, Ca Mau-Kien Giang, and the Gulf of Thailand.
Over the next 48 hours, the system will move north-north-west at a speed of about 15km per hour and is likely to develop into a typhoon.
At 10am on June 4, the centre of the storm will be located to the west of Hoang Sa (Paracel) archipelago with strongest winds around 60-75km per hour.
Over the next 72 hours, the storm will continue to move north at a speed of about 15-20km per hour.