A tropical depression near the East Sea is expected to strengthen into Storm No. 12 in the next one to two days. At the same time, northern Vietnam is likely to experience its first northeast monsoon of the 2025–2026 winter season on October 19.

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Projected path of the tropical depression near the East Sea as of the afternoon of October 17. Source: NCHMF

According to the National Center for Hydro-Meteorological Forecasting, by 1:00 PM on October 17, the tropical depression was centered around 13.5°N latitude and 130.2°E longitude, over the eastern waters off central Philippines.

Maximum wind speeds near the center of the depression reached level 7 (50–61 km/h), with gusts at level 9. It is currently moving westward at a speed of 20–25 km/h.

In the next 24 hours, the system is expected to maintain its westward path and speed, potentially strengthening into a storm with wind speeds reaching level 8 and gusts at level 10. By 1:00 PM on October 18, the storm's center is forecast to be over the eastern waters off central Philippines.

During the following 24 hours, the storm will shift direction slightly northwestward, continuing at 20–25 km/h. By 1:00 PM on October 19, it is expected to be located over Luzon Island in the Philippines, maintaining wind speeds of level 8 and gusts at level 10.

From 48 to 72 hours after that, the storm is projected to continue moving mainly northwest at a similar pace, entering the East Sea and possibly gaining further strength.

Experts forecast that the tropical depression will develop into a storm and enter the East Sea by the evening of October 19, becoming the 12th named storm of 2025. Coinciding with this, northern provinces are expected to experience the first northeast monsoon of the 2025–2026 winter season on October 19.

Due to the influence of the tropical depression, and its potential transformation into a storm over the East Sea, strong winds of level 6–7 are expected to gradually affect the eastern part of the northern East Sea starting October 19. Areas near the storm’s center may experience winds of level 8 with gusts up to level 10, and waves ranging from 2.5 to 4.5 meters. The sea will be very rough.

Between October 20 and 22, the northern East Sea, including the Paracel Islands, may be impacted by strong winds ranging from level 9 to 11, with gusts reaching level 14.

All vessels operating in these dangerous areas may be affected by thunderstorms, whirlwinds, high winds, and large waves.

Bao Anh