Flash Flood Warning Issued for Ko Samui Amid Heavy Rain
The Department of Disaster Prevention and Mitigation has issued an urgent flash flood warning for Ko Samui, Surat Thani, due to heavy rain and high tides. Residents in vulnerable areas are urged to move valuables to higher ground and stay alert for mudslides and waterlogging. Emergency assistance is available via the 1784 hotline and a dedicated Line account.
On November 12, 2026, the Department of Disaster Prevention and Mitigation (DDPM) warned of heavy rain in Ko Samui district, Surat Thani province, with continuous rainfall and high sea levels potentially causing flash floods, mudslides, landslides, and waterlogging. People in at-risk areas — lowlands and hillside slopes — should move possessions to higher ground, watch for electrical hazards, care for vulnerable groups, and follow official news closely. For help, contact the district chief, village heads, local administrators, community leaders, or call the 1784 hotline. DDPM has coordinated with mobile operators AIS, True, and NT to send Cell Broadcast flood alerts for Ko Samui. Incidents can also be reported via the Line account "DDPM Report 1784" (Line ID @1784DDPM) or the 24-hour DDPM hotline 1784.
