According to the National Center for Hydro-Meteorological Forecasting, Huyen Tran monitoring station has strong northeast winds of level 6, gusting to level 7; Phu Quy station has gusts of level 7.
Day and night on December 16, the North East Sea area (including Hoang Sa special zone) has winds of level 6, in the east sometimes level 7, gusting to level 8 - 9; rough seas; wave height 3 - 5 m.
The sea area from Khanh Hoa to Ca Mau and the western sea area of the South China Sea (including the western sea area of Truong Sa) will have winds of level 6, gusting to level 7 - 8; rough seas; wave height 2 - 3 m.
On the day and night of December 16, the South China Sea (including Truong Sa special zone) will have scattered showers and thunderstorms. During thunderstorms, there is a possibility of tornadoes and strong gusts of wind.
Day and night of December 17, the North East Sea area (including Hoang Sa special zone) has strong northeast winds of level 6, especially in the east level 7, gusting to level 8 - 9; rough seas; waves 3 - 5 m high.
The sea area from Khanh Hoa to Ca Mau, the northern sea area of the Central East Sea and the western sea area of the South East Sea (including the western sea area of the Truong Sa area) will have strong northeast winds of level 6, gusting to level 7-8; rough seas; waves 2-3 m high.
The Gulf of Tonkin on December 17 is forecast to have strong northeast winds of level 5, sometimes level 6; rough seas; waves 1.5 - 2.5 m high.
The meteorological agency warns that the risk level of natural disasters at sea is level 2. All ships operating in the above areas are at high risk of being affected by strong winds and large waves.