According to the Northern Hydrometeorological Station, the water level of the Bui and Tich rivers is currently rising.
At 7:00 a.m. on August 26, 2025, the water level on the Day River at Ba Tha station was 3.76 m (above alert level 1: 1.75 m), the water level on the Bui River at Yen Duyet station was 5.25 m (above alert level 1: 0.75 m), the Tich River at Vinh Phuc station was 6.44 m (above alert level 1: 0.04 m).
Warning from today (August 26) to August 28, the water level on the Day River, Bui River, and Tich River in the Hanoi area is likely to experience a flood with a flood amplitude of 2 - 4m.
During this flood, flood peaks of rivers are likely above alert level 1 - alert level 3. High river water levels can cause flooding and landslides in low-lying areas and along rivers.
In addition, due to the impact of heavy rain with high intensity, there is a high risk of flooding in some urban areas, many inner-city streets of Hanoi with a flooding depth of 0.2 - 0.4m, some places over 0.5m. The flooding lasts from 1 hour to 3 hours, with some places having longer flooding time.
The warning level of natural disaster risk due to floods is level 1. Rising river water levels risk landslides and flooding in low-lying areas along rivers, culverts, spillways, bridges, culverts, and traffic routes along the Day River, Tich River, and Bui River.
Floods, inundation, and landslides have affected people, some industrial parks, aquaculture areas, agriculture, daily life and transportation of people.
