The Meteorological Department on Sunday issued an announcement warning people living in risk areas of eight provinces in the East and the South to brace for heavy rain and possible flash flood from May 8 to 11.

The provinces are Chanthaburi, Trat, Ranong, Phang Nga, Phuket, Krabi, Trang and Satun.

There would be also high tides in the Andaman Sea and the upper part of the Gulf of Thailand. Small fishing boats are advised not to go to the sea, according to the department.