TMD Issues Heavy Rain Warning for Southern Thailand
The Thai Meteorological Department has issued its ninth heavy rain warning for Southern Thailand, forecasting very heavy rainfall on November 12-13 with risks of flash floods and mudslides. Over a dozen southern provinces are on alert, while the Gulf of Thailand faces dangerous 2-3 meter waves. Upper Thailand will see warmer days but cool, foggy mornings.
The Thai Meteorological Department announced Warning No. 9 (307/2569) for heavy to very heavy rain in Southern Thailand, effective November 12-13, 2026. Continuous heavy rainfall may trigger flash floods and mudslides, especially in low-lying foothill areas and watersheds. In the lower Gulf of Thailand, waves will reach 2-3 meters, exceeding 3 meters during thunderstorms. Mariners in the Gulf and Andaman Sea should navigate cautiously and avoid thunderstorm areas. Small boats in the lower Gulf should remain ashore. In upper Thailand, temperatures are rising but cool mornings with fog persist, with isolated rain. Residents should monitor health due to changing weather, and farmers should protect crops. A strong high-pressure system covers upper Thailand and the South China Sea, while westerly winds move over the upper North and Laos. The moderate northeast monsoon prevails over the Gulf and South. The public is urged to plan activities and travel carefully, and follow updates via the TMD website (tmd.go.th) or hotlines 0-2399-4012-13 and 1182. The next announcement will be issued November 13 at 05:00. Affected provinces on November 12 include Chumphon, Surat Thani, and Nakhon Si Thammarat (very heavy rain); Prachuap Khiri Khan, Phatthalung, Songkhla, Pattani, Yala, Narathiwat, Phang Nga, Phuket, Krabi, Trang, and Satun (heavy rain). On November 13, very heavy rain is forecast for Prachuap Khiri Khan, Chumphon, and Surat Thani; heavy rain for Phetchaburi, Nakhon Si Thammarat, Phatthalung, Songkhla, Pattani, Yala, Narathiwat, Ranong, Phang Nga, Krabi, Trang, and Satun.
