PATTAYA, Thailand – The Thai Meteorological Department has issued a warning of heavy to very heavy rainfall in eastern Thailand and the western southern coast, particularly in Tak, Chanthaburi, Trat, Ranong, and Phang Nga provinces, with risks of flash floods and sudden runoff from nearby hills.
Over the next 24 hours, rainfall will continue across Thailand, with eastern provinces—including Chonburi and Pattaya—expected to experience heavy to very heavy showers. Residents are advised to remain alert, especially in low-lying and riverside areas, and near hills or streams, as accumulated rainfall may trigger sudden floods.
The monsoon trough stretches across the lower northern region, upper central region, and northeast, while a strong southwest monsoon is influencing the Andaman Sea, the Gulf of Thailand, and southern Thailand.
Sea and Coastal Conditions:
Upper Andaman Sea: Waves 2–3 meters, over 3 meters in areas with thunderstorms.
Lower Andaman Sea and upper Gulf of Thailand: Waves around 2 meters, over 2 meters with thunderstorms.
Small boats are advised to stay ashore, while larger vessels should navigate with extreme caution.
Regional Forecasts for 3 September:
Bangkok & Vicinity: Thunderstorms in 70% of the area, some heavy; low 25–26°C, high 34–36°C; southwest winds 10–20 km/h.
North: Thunderstorms 60% coverage; heavy rain in areas including Tak, Sukhothai, Phitsanulok, and Chiang Mai; low 23–24°C, high 30–34°C; variable winds 10–20 km/h.
Northeast: Thunderstorms 70%; heavy rain in provinces such as Khon Kaen, Ubon Ratchathani, and Nakhon Ratchasima; low 22–24°C, high 31–34°C; variable winds 10–30 km/h.
Central: Thunderstorms 70%; heavy rain in Nakhon Sawan, Ayutthaya, and Saraburi; low 23–24°C, high 34–36°C; southwest winds 10–20 km/h.
East (including Pattaya & Chonburi): Thunderstorms 70%; heavy to very heavy rain in Rayong, Chanthaburi, and Trat; low 24–25°C, high 31–35°C; southwest winds 20–35 km/h; waves 2 meters, over 2 meters in thunderstorms.
South (East Coast): Thunderstorms 40%; heavy rain mainly in Phetchaburi, Prachuap Khiri Khan, Chumphon, Surat Thani, Nakhon Si Thammarat; low 23–25°C, high 33–35°C; southwest winds 20–35 km/h; waves 1–2 meters, over 2 meters in thunderstorms.
South (West Coast): Thunderstorms 70%; heavy to very heavy rain in Ranong, Phang Nga, Phuket; low 24–26°C, high 30–35°C; southwest winds 20–40 km/h from Phuket north, 20–35 km/h south of Krabi; waves 2–3 meters, over 3 meters in thunderstorms.
Authorities urge residents and tourists in Pattaya and eastern provinces to exercise caution, avoid flood-prone areas, and follow official safety guidance as heavy rains continue to affect the region.
