RID prepares ten large pumps for Songkhla amid southern flood alert

Fourteen southern provinces are on alert for flash floods and overflowing rivers as heavy to very heavy rain is forecast from November 11–13, 2026, while the Royal Irrigation Department prepares ten large hydraulic pumps for deployment in Songkhla.

The Office of the National Water Resources (ONWR) has identified districts requiring close monitoring under a flood alert covering November 9–13. The risks include waterlogging, flash floods, runoff from higher ground and rivers overflowing their banks.

The Thai Meteorological Department (TMD), in Advisory No. 6, cautioned that accumulated rainfall could trigger flooding, particularly in low-lying areas and near waterways at the foot of hills.

Songkhla prepares ten mobile pumps

The Royal Irrigation Department is preparing ten 24-inch mobile hydraulic pumps to support flood-response operations in Songkhla province.

The equipment is intended to support drainage, protect communities and economic areas, and reduce hardship for residents who could be affected by flooding.

Preparations involve the department’s Mechanical Engineering Bureau, its Pumping Machinery Division and personnel from Pumping Machinery Operations Unit 6.

The bureau is ready to provide machinery and personnel for flood relief and water management, with preparations aimed at supporting an around-the-clock response.

Heavy rain outlook for November 11–13

The TMD has identified the following provinces as at risk of isolated heavy or very heavy rain:

November 11

• Heavy rain: Chumphon, Surat Thani, Nakhon Si Thammarat, Phatthalung and Songkhla.

November 12

• Very heavy rain: Chumphon, Surat Thani and Nakhon Si Thammarat.
• Heavy rain: Phatthalung, Songkhla, Pattani, Yala, Narathiwat, Ranong, Phuket, Krabi, Trang and Satun.

November 13

• Very heavy rain: Surat Thani and Nakhon Si Thammarat.
• Heavy rain: Phetchaburi, Prachuap Khiri Khan, Chumphon, Phatthalung, Songkhla, Pattani, Yala, Narathiwat, Ranong, Phang Nga, Krabi, Trang and Satun.

Districts on flood watch

ONWR’s November 9–13 alert identifies the following districts for close monitoring:

• Chumphon: Lamae, Pathio, Tha Sae, Phato and Lang Suan.
• Surat Thani: Tha Chana, Kanchanadit, Tha Chang, Phanom and Chaiya.
• Ranong: Mueang Ranong and La-un.
• Phang Nga: Mueang Phang Nga and Thap Put.
• Phuket: Mueang Phuket, Thalang and Kathu.
• Krabi: Khlong Thom, Khao Phanom and Nuea Khlong.
• Nakhon Si Thammarat: Mueang Nakhon Si Thammarat, Tha Sala, Nopphitam, Hua Sai, Phrom Khiri, Lan Saka, Phra Phrom, Ron Phibun, Pak Phanang, Chaloem Phra Kiat, Chian Yai, Cha-uat, Thung Song, Chulabhorn and Sichon.
• Trang: Palian, Huai Yot and Yan Ta Khao.
• Satun: Khuan Kalong and Khuan Don.
• Phatthalung: Mueang Phatthalung, Khuan Khanun, Si Banphot, Srinagarindra, Khao Chaison, Kong Ra, Tamot, Pak Phayun and Pa Bon.
• Songkhla: Mueang Songkhla, Ranot, Krasae Sin, Sathing Phra, Saba Yoi, Singhanakhon, Khuan Niang and Hat Yai.
• Yala: Mueang Yala, Kabang, Krong Pinang, Than To, Bannang Sata, Betong and Yaha.
• Pattani: Khok Pho, Yarang and Yaring.
• Narathiwat: Cho-airong, Bacho, Ra-ngae, Rueso, Si Sakhon, Sukhirin and Chanae.

Small boats advised to remain ashore

Winds and waves are expected to strengthen across the Gulf of Thailand and the Andaman Sea. Waves in the lower Gulf are forecast to reach two to three metres, rising above three metres in areas experiencing thundershowers.

Mariners in both seas should exercise caution and avoid sailing through thundershowers. Small boats in the lower Gulf should remain ashore during the warning period.