According to the National Center for Hydro-Meteorological Forecasting, as of 5 p.m. on October 22, the storm’s center was located approximately 200 km east-northeast of Da Nang, off the coast from southern Quang Tri to Quang Ngai. Maximum sustained winds reached level 9 (75–88 km/h), with gusts up to level 11. The storm is moving westward at around 10 km/h.

Over the next 12 hours, Fengshen is expected to shift west-southwest at 10 km/h and gradually weaken. By 4 a.m. on October 23, its center will be about 100 km east-northeast of Da Nang, with winds at level 8 and gusts at level 10.

Twelve hours later, the storm will continue west-southwest at a speed of 15 km/h, weakening into a tropical depression, then a low-pressure system west of Da Nang.

Due to the combined influence of the storm’s circulation and a strong cold front, from late afternoon today, coastal areas from Quang Tri to Da Nang will experience increasing winds at level 6, occasionally level 7, with gusts of level 8–9.

Heavy rainfall is expected between the nights of October 22 and 24, driven by the interaction of the storm’s circulation, the cold front, easterly wind disturbances, and mountainous terrain.

From Ha Tinh to Quang Ngai, rainfall will generally range from 100–250 mm, with localized areas receiving more than 350 mm.

Particularly in the region from southern Quang Tri to Da Nang, rainfall is expected to be extremely heavy, ranging from 400–600 mm, with some locations potentially exceeding 800 mm. The heaviest rain is forecast to occur from the night of October 22 through October 23.

There is a high risk of intense rainfall events (>200 mm in 3 hours) in coastal communes and wards from southern Quang Tri to Da Nang. The warning level for flood-related natural disasters due to heavy rain is currently level 2.

Heavy rain in central Vietnam may persist through the end of October 2025.

There is an increased risk of flash floods and landslides in mountainous areas, as well as flooding in low-lying and urban zones.

Authorities are urged to ensure the safe operation of hydropower and irrigation reservoirs before, during, and after the storm.

Emergency scenarios should be prepared for river flooding across Quang Tri to Quang Ngai, where water levels may reach or exceed level 3 alert. The forecasted natural disaster risk due to flooding is at level 3.

Local governments and residents are also advised to stay alert for potential thunderstorms, tornadoes, and strong gusts within the storm’s circulation zone, both before and during landfall.

Sea conditions

In the western part of the northern East Sea, including the Hoang Sa archipelago, winds are expected to reach levels 7–8, with areas near the storm’s center reaching level 9 and gusts at level 11. Waves will rise 4–6 meters, creating very rough seas.

In waters from Quang Tri to Quang Ngai, including Con Co, Cu Lao Cham, and Ly Son, wind levels will be 6–7, increasing to 8–9 near the storm’s center, with gusts up to level 11. Waves may reach 3–5 meters.

Storm surges from Quang Tri to Da Nang may raise sea levels by 0.4–0.8 meters.

New tropical depression approaches the East Sea

Also this afternoon, a new tropical depression was detected over the sea east of Taiwan (China). As of 4 p.m., its center was at approximately 22.7°N latitude and 123.3°E longitude. Maximum sustained winds were at level 7 (50–61 km/h), with gusts at level 9. It is moving southwestward at 20–25 km/h.

Within the next 24 hours, the depression will move south-southwest at 20–25 km/h. By 4 p.m. on October 23, it will be located over the eastern waters of the northern East Sea, with winds at levels 6–7 and gusts at level 9.

Another 24 hours later, the system will move southwestward at the same speed and will be about 350 km east of the Hoang Sa archipelago by 4 p.m. on October 24. It is expected to maintain level 6 intensity, with gusts at level 8, and will then gradually weaken.

From 48 to 72 hours onward, the system will continue to move west-southwest at 15–20 km/h, eventually degrading into a low-pressure area.

Due to the interaction with the cold front, the eastern waters of the northern East Sea will experience strong winds at level 6–7, with gusts at level 9 and waves reaching 3–5 meters. The sea will be rough.

All vessels operating in the affected sea zones are at risk from thunderstorms, tornadoes, strong winds, and high waves.

Bao Anh