The monsoon trough lies across the upper Northern of Thailanad and upper Laos into the low-pressure cell covers upper Vietnam while the moderate southwest monsoon prevailing over the Andaman Sea, Thailand and the Gulf. Isolated heavy to very heavy rains are likely in the country and isolated heavy rain in the East. The moderate wind force the waves in the upper Andaman Sea and the upper Gulf up to about 2 meters high and above 2 meters high in thundershowers. In the lower Andaman Sea, the wave are likely 1 - 2 meters high and above 2 meters high in thundershowers.