The monsoon trough lies across the middle South with the northeast monsoon prevails over the Gulf and the South with heavy to very heavy rain to the South. The waves in the Andaman Sea and the Gulf of Thailand are expected to be about 1 meter high and above 2 meters high in thundershowers. The moderate high-pressure system from China extends to the North and the Northeast. Morning cool, slightly decrease in temperature and windy are in the upper country. In addition, tropical storm “FENGSHEN” over the upper South China Sea. It is expected to make landfall over the middle of Vietnam today (23 October 2025). The storm will downgrade rapidly not move to Thailand due to the high-pressure system from China extend to the upper Vietnam and the upper South China Sea.

The monsoon trough lies across the middle South with the northeasterly wind prevail over the Gulf and the South, bringing heavy to very heavy rain to the South. The waves in the Andaman Sea and the Gulf of Thailand are expected to be about 1 meter high and above 2 meters high in thundershowers.