As of 1 a.m. Thursday, the water level reached 11.26 meters before peaking at 11.3 meters around 3 a.m.
According to the National Center for Hydro-Meteorological Forecasting, the Red River's water level is expected to decrease by about 20 cm within the next 24 hours.
In recent days, rising river waters and downpours caused by wind patterns from typhoon Yagi have flooded several areas in northern Vietnam.
The capital, Hanoi, experienced its most severe floods in two decades, leading to widespread evacuations and leaving thousands stranded and reliant on emergency aid.
So far, typhoon Yagi's impact has resulted in 197 deaths, left 128 others missing and 807 injured.
VnExpress has launched the campaign "To Weather the Storm" to help communities recover and rebuild livelihoods after typhoon Yagi. Click here to lend your support.