The active monsoon through lies across the Central, the upper East and the lower Northeast into an active low pressure cell over the middle coast of Vietnam. Meanwhile the weak high-pressure system covers upper Thailand. Isolated heavy rain are likely in the upper country and the South while morning cool are in the upper North and the upper Northeast. The moderate winds and waves in the upper Andaman Sea are expected to 1-2 meters high, and above 2 meters in thundershowers. In the Gulf and the lower Andaman Sea, waves are expected to be about 1 meter high, and above 2 meters in thundershowers.