The monsoon trough lies across the lower Central, the upper South and the East with the southwest monsoon still prevails over the Andaman Sea, the lower South and the Gulf of Thailand. Meanwhile the southeasterly wind brings humid air to prevail over the Northeast. Isolated heavy rain are forecast in the Northeast, the lower Central including Bangkok and its vicinity, the East and the South regions. The wind and waves in the Andaman Sea and the Gulf of Thailand are expected about 1 meter high and above 2 meters high in thundershowers.