The monsoon through lies across the lower North the Central and the Norhtheast while rather strong the southwest monsoon prevailing over the Andaman Sea, Thailand and the Gulf. Isolated heavy rain are likely in Thailand while isolated very heavy rain are possible in the East and the South regions (west coast). The rather strong wind forces the waves in the upper Andaman Sea up to 2-3 meters high and above 3 meters high in thundershowers. In the lower Andaman Sea and the upper Gulf, the waves are likely about 2 meters high and above 2 meters high in thundershowers.