Latest update from the National Center for Hydro-Meteorological Forecasting, at 10:00 a.m. on June 13, the center of storm No. 1 was at about 18.4 degrees north latitude; 108.5 degrees east longitude, in the sea southwest of Hainan Island (China).
The strongest wind near the storm center is level 11 (103 - 117km/h), gusting to level 14. The storm is moving north-northwest at a speed of 10 - 15km/h. Due to the influence of storm No. 1, in the Gulf of Tonkin, there are strong winds of level 6 - 7, gusting to level 8 - 9.
It is forecasted that in the next 24 hours, the storm will move north-northwest, then turn north-northeast at a speed of 10 - 15km/h and will enter the Lusian Peninsula (China). At 10:00 on June 14, the center of the storm was at about 21.1 degrees north latitude; 109.7 degrees east longitude.
The strongest wind near the storm center is level 11, gusting to level 14. The dangerous area at sea in the next 24 hours will be north of latitude 16 degrees north; from longitude 106.5 to 111.5 degrees east. Level 3 natural disaster risk for the northwest of the northern East Sea, the offshore waters from Quang Tri to Da Nang and the Gulf of Tonkin.

It is forecasted that in the next 48 hours, the storm will move north-northeast at a speed of about 15km/h and gradually weaken into a tropical depression. At 10:00 on June 15, the center of the tropical depression was at about 23.4 degrees north latitude; 112.0 degrees east longitude, in the southwest area of Guangdong province (China).
The strongest wind near the center of the tropical depression is level 7, gusting to level 9. The dangerous area in the next 48 hours will be north of latitude 18.5 degrees north; from longitude 106.5 to 113 degrees east.
It is forecasted that in the next 72 hours, the tropical depression will continue to move northeast at a speed of 20 - 25km/h and gradually weaken into a low pressure area on the mainland of southern China. At 10:00 on June 15, the center of the low pressure area was at about 26.8 degrees north latitude; 116.0 degrees east longitude, wind power below level 6.
Regarding the impact of the storm at sea, the Gulf of Tonkin, including the island districts of Co To and Bach Long Vi, has strong winds of level 7 - 8, the area near the storm's eye has level 9 - 11, gusts of level 14, waves 2 - 4m high, especially in the east 3 - 5m, the sea is very rough.
The northwest of the northern East Sea and the offshore waters from Quang Tri to Da Nang will have strong winds of level 6 - 8, near the storm center level 9 - 11, gusts of level 14, waves 3 - 5m high, near the storm center will have 4 - 6m, the sea will be very rough.
Ship operating in the above dangerous waters are at high risk of being affected by thunderstorms, whirlwinds, strong winds and large waves.
In coastal areas, due to the influence of high tides combined with storm surges, the sea area from Hai Phong to Nghe An is likely to have high sea levels, specifically at Hon Dau reaching 3.9m, Hon Ngu reaching 2.8m, causing local flooding in some low-lying areas in coastal areas and river mouths between 5:00 p.m. and 7:00 p.m. on June 13 and 14.
On land, from noon and afternoon of June 13, coastal areas of Quang Ninh and Hai Phong will have strong winds of level 6, gusting to level 7 - 8. The coastal areas of Thai Binh and Nam Dinh have strong winds of level 4 - 5, gusting to level 6 - 7.
On June 13, the area from Quang Binh to Thua Thien Hue will have heavy to very heavy rain with common rainfall of 50 - 100mm, some places over 200mm. The southern Nghe An and Ha Tinh areas, from Da Nang to Quang Nam and Kon Tum, will have moderate rain, heavy rain, some places with very heavy rain and thunderstorms with common rainfall of 20 - 40mm, some places over 100mm.