Heavy rain forecast for much of Thailand

A monsoon trough passing over the upper part of the northern region and northern Laos, entering a low-pressure zone over the upper part of Vietnam will continue to bring thunderstorms to Thailand. The southwestern monsoon prevails over the Gulf of Thailand and the South bringing rain that will be heavy at time. The Andaman Sea and the Gulf of Thailand will experience moderate waves with wave heights of around 1 metre, or higher in areas with thunderstorms.