People are warned to beware of flash floods and overflows. All transport should proceed with caution, the department warned.
Waves in the Andaman Sea and the Gulf will rise to a metre high and over 2 metres in thundershowers. All ships should proceed with caution and keep off thundershowers.
Thundershowers are forecast in the following provinces on Thursday:
North: Mae Hong Son, Chiang Mai, Chiang Rai, Lampang, Tak.
Northeast: Chaiyaphum, Nakhon Ratchasima, Buri Ram, Surin, Si Sa Ket and Ubon Ratchathani.
Central: Kanchanaburi, Lopburi, Saraburi, Ratchaburi, Ayutthaya, Nakhon Pathom, Samut Sakhon, Samut Songkhram and metropolitan Bangkok.
East: Sa Kaeo, Prachinburi, Chachoengsao, Chonburi, Rayong, Chanthaburi and Trat.
South: Prachuap Khiri Khan, Chumphon, Surat Thani, Nakhon Si Thammarat, Phatthalung, Songkhla, Pattani, Narathiwat, Ranong, Phang Nga, Phuket, Krabi, Trang and…
