The monsoon through lies across the North and the upper Norhtheast while the moderate southwest monsoon prevails over the Andaman Sea, Thailand and the Gulf with thundershowers still occur over the country while isolated heavy rain in the North. The moderated wind and waves in the upper Andaman Sea are expected about 2 meters high and above 2 meters high in thundershowers. In the lower Andaman Sea and the upper Gulf, the waves are likely 1-2 meters high and above 2 meters high in thundershowers.