The strong monsoon trough will lie across the North, the Central and the Northeast of Thailand while the southwest monsoon across the Andaman Sea, Thailand and the Gulf will strengthen. More rains will be likely with many places of heavy rains, and very heavy rains are also forecast in some places. People should beware of the severe conditions that may cause flash floods and overflows, especially, along waterways and lowlands, and take more caution in thundershowers.
Affected areas are as followings:
29 August 2023
North: Chiang Rai, Lampang, Phayao, Nan, Phrae, Uttaradit, Phitsanulok and Phetchabun.
Northeast: Loei, Nong Khai, Bueng Kan, Nong Bua Lamphu, Udon Thani, Sakon Nakhon, Nakhon Phanom, Khon Kaen, Kalasin, Mukdahan, Maha Sarakham, Roi Et, Yasothon, Amnat Charoen, Sisaket and Ubon Ratchathani.
East: Chanthaburi and Trat
South: Ranong, Phang Nga and Phuket.
30 August 2023
North: Mae Hong Son, Chiang Mai, Chiang Rai, Lamphun, Lampang, Phayao, Nan, Phrae, Uttaradit, Tak, Sukhothai, Kamphaeng Phet, Phitsanulok, Phichit and Phetchabun.
Northeast: Loei, Nong Khai, Nong Bua Lamphu, Udon Thani, Sakon Nakhon, Chaiyaphum, Khon Kaen, Kalasin, Mukdahan, Maha Sarakham, Roi Et, Yasothon, Amnat Charoen, Nakhon Ratchasima, Buriram, Surin, Sisaket and Ubon Ratchathani.
Central: Nakhon Sawan, Uthai Thani, Chai Nat, Lop Buri, Saraburi, Sing Buri, Ang Thong, Phra Nakhon Si Ayutthaya, Suphan Buri, Kanchanaburi, including Bangkok and its vicinity.
East: Nakhon Nayok, Prachin Buri, Sa Kaeo, Chachoengsao, Chonburi, Rayong, Chanthaburi and Trat.
South: Ranong, Phang Nga and Phuket.
31 August 2023
North: Mae Hong Son, Chiang Mai, Lamphun, Lampang, Nan, Phrae, Uttaradit, Tak, Sukhothai, Kamphaeng Phet, Phitsanulok, Phichit and Phetchabun.
Northeast: Loei, Chaiyaphum, Khon Kaen, Maha Sarakham, Roi Et, Yasothon, Amnat Charoen, Nakhon Ratchasima, Buriram, Surin, Sisaket and Ubon Ratchathani.
Central: Nakhon Sawan, Uthai Thani, Chai Nat, Lop Buri, Saraburi, Sing Buri, Ang Thong, Phra Nakhon Si Ayutthaya, Kanchanaburi, Suphan Buri, Nakhon Pathom, Samut Songkhram, Samut Sakhon including Bangkok and its vicinity.
East: Nakhon Nayok, Prachin Buri, Sa Kaeo, Chachoengsao, Chonburi, Rayong, Chanthaburi and Trat.
South: Chumphon, Surat Thani, Ranong, Phang Nga, Phuket, Krabi and Trang.
1-3 September 2023
North: Mae Hong Son, Chiang Mai, Lamphun, Lampang, Phrae, Uttaradit, Tak, Sukhothai, Kamphaeng Phet, Phitsanulok, Phichit and Phetchabun.
Northeast: Nakhon Ratchasima, Buriram, and Surin.
Central: Nakhon Sawan, Uthai Thani, Chai Nat, Lop Buri, Saraburi, Sing Buri, Ang Thong,
Phra Nakhon Si Ayutthaya, Suphanburi, Kanchanaburi, Ratchaburi, Samut Songkhram, Samut Sakhon and Nakhon Pathom, including Bangkok and its vicinity.
East: Nakhon Nayok, Prachin Buri, Sa Kaeo, Chachoengsao, Chonburi, Rayong, Chanthaburi and Trat.
South: Prachuap Khiri Khan, Chumphon, Surat Thani, Nakhon Si Thammarat, Ranong, Phang Nga, Phuket and Krabi.
The rather strong wind forces the wave up to 2-3 meters high in the Andaman Sea and the upper Gulf and more than 3 meters high in thundershowers while the waves in the lower Andaman Sea and the lower Gulf are 1-2 meters high and more than 2 meters high in thundershowers. All ships should proceed with caution and keep off thundershowers. Small boats in the upper Andaman Sea and the upper Gulf keep ashore. Please stay tuned for the weather update.
This advisory is in effect on 28 August 2023, at 5.00 a.m.
This next issue will be on 28 August 2023, at 5.00 p.m.
(Signed) Chomparee Chompurat
(Miss Chomparee Chompurat)
for Director-General
Thai Meteorological Department
