According to the National Center for Hydro-Meteorological Forecasting, at 7:00 a.m. on October 3, the center of storm Matmo was at about 16.3 degrees north latitude; 122.7 degrees east longitude, in the sea east of Luzon Island (Philippines). The strongest wind near the storm center is level 9-10 (75-102 km/h), gusting to level 13. The storm is moving west-northwest at a speed of about 25 km/h.
It is forecasted that in the next 24 hours, the storm will move west-northwest, at a speed of about 25 km/h, entering the East Sea and is likely to strengthen.
At 7:00 a.m. on October 4, the center of the storm was at about 18 degrees north latitude; 116.8 degrees east longitude, in the northern sea area of the northern East Sea, about 750 km southeast of the Lusian Peninsula (China). Strong wind level 10-11, gust level 14.
The danger zone with strong winds of level 6 or higher is east of the 115.5 degree east longitude, from 16 to 20.5 degrees north latitude. The natural disaster risk level is level 3 for the eastern sea area of the northern East Sea.
It is forecasted that in the next 48 hours, the storm will move west-northwest, at a speed of 20-25 km/h, continuing to strengthen.
At 7:00 a.m. on October 5, the center of the storm was at about 19.8 degrees north latitude; 112.1 degrees east longitude, in the northwestern sea of the northern East Sea, about 200 km southeast of the Lusian Peninsula (China). Strong wind level 12, gust level 15.
The danger zone with strong winds of level 6 or higher is north of the latitude of 16.5 degrees north latitude, east of the longitude of 111 degrees east longitude. The natural disaster risk level is level 3 for the northern sea area of the northern East Sea.
It is forecasted that in the next 72 hours, the storm will move west-northwest at a speed of 20-25 km/h, entering the northern area of the Gulf of Tonkin and gradually weakening.
At 7:00 a.m. on October 6, the center of the storm was at about 21.7 degrees north latitude; 107.7 degrees east longitude, in the northeastern part of the North. Strong wind level 10, gust level 13.
The danger zone with strong winds of level 6 or higher is north of latitude 17 degrees north, west of longitude 114 degrees east. The natural disaster risk level is level 3, the northwestern sea area of the northern East Sea and the northern area of the Gulf of Tonkin.
From the next 72 to 96 hours, the storm will move west-northwest, traveling 15-20 km per hour, and the storm will continue to weaken.
Regarding the impact of the storm at sea, from noon and afternoon of October 3, the sea area east of the northern East Sea will have winds gradually increasing to level 6-7; then increasing to level 8-9, the area near the storm's eye will have strong winds of level 10-11, gusts of level 13, waves 4-6 m high, and rough seas.
From October 4-5, the sea area north of the northern East Sea is likely to be affected by strong winds of level 11-12, gusts of level 15, waves 6-8 m high, and rough seas.
Ship operating in the above-mentioned dangerous areas are likely to be affected by thunderstorms, whirlwinds, strong winds, and large waves.
