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