The Meteorological Department issued its 8th announcement warning of "strong winds and heavy to very heavy rain" in effect through 15 Jul 2026, along with a list of provinces expected to be affected.
12 July 2026 GMT+7Meteorological DepartmentAnnounced regarding strong winds in the Andaman Sea and upper Gulf of Thailand, and heavy to very heavy rain in the western southern region, western central region, and eastern region, in its 8th announcement, effective until 15 July 2026.
It states that from 12-15 July 2026, the southwest monsoon covering the Andaman Sea, Thailand, and the Gulf of Thailand will be strong, causing strong winds in the upper Andaman Sea with waves 2-4 meters high; in areas with thunderstorms, waves may exceed 4 meters. The upper Gulf of Thailand and lower Andaman Sea will have waves 2-3 meters high, with waves over 3 meters in thunderstorm areas.
Mariners in the Andaman Sea and Gulf of Thailand are advised to navigate cautiously and avoid sailing in thunderstorm areas. Small boats are urged to refrain from leaving shore during this period.
From 12-14 July 2026, heavy to very heavy rain is expected in the western southern region, western central region, and eastern region, especially in Ranong, Phang Nga, Chanthaburi, Trat, and Kanchanaburi provinces. Residents there should beware of dangers from heavy and prolonged rain that may cause flash floods and flash floods, especially in foothill areas near waterways and low-lying zones.
Meanwhile, Typhoon Bavi has made landfall in Zhejiang Province, China, and is expected to weaken to a tropical storm and then a depression. This storm will not move into Thailand and thus will not directly affect Thailand's weather but will strengthen the southwest monsoon covering the country. Travelers to these areas are advised to check weather conditions before traveling during this period.
For safety and to minimize potential impacts, the public is urged to plan their activities and travel carefully during this time, stay updated with announcements from the Meteorological Department, and follow information available on their website.http://www.tmd.go.thOr call 0-2399-4012-13 and 1182, available 24 hours.
12 July 2026 GMT+7
13 July 2026 GMT+7
14 July 2026 GMT+7
Information from the Meteorological Department