The moderate southwest monsoon prevails over the Andaman Sea, Thailand and the Gulf while the low pressure cell covers upper Laos and upper Vietnam. Isolated heavy rains are likely in Thailand with isolated very heavy rain in the East regions. The moderate wind and 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 and the lower Gulf, the waves are likely 1-2 meters high and above 2 meters high in thundershowers.