The low-pressure cell covers the upper Laos and upper Vietnam while the southwest monsoon prevails over the Andaman Sea, Thailand and the Gulf. Thundershowers are forecast in the upper country and isolated heavy rains are possible in the upper North and the upper Northeast regions. The moderate wind and waves in the upper Andaman Sea are expected 1-2 meters high and above 2 meters high in thundershowers. In the lower Andaman Sea and the Gulf, the waves are expected about 1 meter high and above 2 meters high in thundershowers.