According to the National Center for Hydro-Meteorological Forecasting, the cold air impact has caused the Gulf of Tonkin to record strong northeast winds of level 6, gusting to level 8; Ly Son island has strong winds of level 6, sometimes level 7, gusting to level 8.
Day and night on March 31, the North East Sea area (including the Hoang Sa archipelago), the sea area from Quang Tri to Quang Ngai will have strong winds of level 6, gusting to level 7 - 8. The sea is rough, with waves 2 - 4m high.
The Gulf of Tonkin, the sea area from Binh Dinh to Soc Trang and the western part of the central East Sea will have strong winds of level 5, sometimes level 6, gusting to level 7 - 8. Rough seas, waves 1.5 - 3.5m high.
The area between the East Sea and the sea from Binh Dinh to Ca Mau, the north of the Gulf of Thailand has showers and thunderstorms. During thunderstorms, there is a possibility of tornadoes and strong gusts of wind.
On April 1, the North East Sea area (including the Hoang Sa archipelago) and the northern part of the central East Sea area will have strong northeast winds of level 6, gusting to level 7 - 8; rough seas; waves 2 - 4m high. On the night of April 1, the wind gradually decreased.
The meteorological agency warns that the risk of natural disasters due to strong winds at sea is level 2. All ships operating in the above areas are at high risk of being affected by tornadoes, strong winds and big waves.