The Meteorological Department forecasts that on 29 Oct, the southern region must still be cautious of heavy to very heavy rain with a risk of flash flooding. Meanwhile, the central region including Bangkok and the eastern region will experience thunderstorms and strong winds in some areas.
On 29 October 2026, the websiteMeteorological Departmentissued its daily general weather report stating that over the next 24 hours, the southern region will continue to have rain, including heavy to very heavy rain in some areas. Meanwhile, upper Thailand, particularly the central region, including Bangkok and its vicinity, and the eastern region, will still experience thunderstorms and some strong gusty winds.
The public in these areas is advised to be cautious of dangers from thunderstorms, heavy rain, and accumulated rainfall that may cause flash floods and flash floods, especially in foothill areas near waterways and lowlands. This is due to a low-pressure trough covering the Andaman Sea, combined with easterly winds over Thailand and the Gulf of Thailand, while a high-pressure area or cold air mass from China covers upper Thailand and the South China Sea.
For the Andaman Sea and the Gulf of Thailand, areas with thunderstorms will have waves higher than 2 meters. Boaters should check their routes and navigate with caution, avoiding sailing in areas experiencing thunderstorms.
From 28 to 29 Oct 2026, the southern region will continue to have rain, including heavy to very heavy rain in some places. Upper Thailand, especially the central region including Bangkok and its vicinity, and the eastern region will still experience thunderstorms and strong gusty winds, with heavy rain in some areas. This is due to a low-pressure trough over the Andaman Sea combined with easterly winds covering Thailand and the Gulf of Thailand.
Meanwhile, a high-pressure area or cold air mass from China covers upper Thailand and the South China Sea. From 30 Oct to 3 Nov 2026, upper Thailand will still have thunderstorms. The southern region will see decreasing rain but still heavy rain in some places on both coasts. This is because the high-pressure area or cold air mass covering upper Thailand will weaken, while easterly and southeasterly winds cover lower northeastern, central, and eastern regions. Easterly winds over the Gulf of Thailand and the South will weaken. Waves over 2 meters high will continue in the Andaman Sea and the Gulf of Thailand in areas with thunderstorms throughout this period.
Additionally, cyclone "ARNAB" in the northern Bay of Bengal will make landfall on the eastern coast of India on 28 Oct 2026. Travelers to this area are advised to check weather conditions before traveling.
Information courtesy of the Meteorological Department.