The centre said on Monday that rising sea levels will increase the river’s level at Samut Prakan’s Chulachomklao Fort and nearby areas from 5pm to 8.30pm during this period.
In addition to this, there is rain in the upper and eastern parts of the river.
Meanwhile, water is flowing at the speed of 1,500 to 1,800 cubic metres per second through the Chao Phraya Dam and 400-500 cubic metres per second through the Rama VI Dam.
The centre expects the river’s level from Wednesday to next Monday to be around 1.9 to 2.2 metres higher than sea level. This increase is expected to affect riverside communities in Bangkok, Nonthaburi and Samut Prakan.
The centre has also called on related agencies to take the following steps: