An active low-pressure cell covers the cape of Annam leading to the easterly wind bring the moisture to the upper country while the high-pressure system covering upper Thailand is weakening while the confluences of easterly and southeasterly winds prevail over the North. More rains are forecast in the upper country and isolated heavy rains are possible in the Northeast region and the South while morning cool are possible in the North and the Northeast regions. People in Roi Et, Maha Sarakham, Nakhon Ratchasima, Buriram, Surin, Sisaket, Kanchanaburi, Prachuap Khiri Khan, Chumphon, Surat Thani, Ranong, Phang Nga, and Phuket. People in upper Thailand and the upper South should keep healthy due to changeable weather and beware of heavy rains and accumulations. The monsoon trough lying across the upper South is strengthening with more rains and isolated heavy rains in the South. People in the South should beware of heavy rains. The moderate winds and waves in the upper Gulf and the upper Andaman Sea are expected 1-2 meters high and above 2 meters high in thundershowers. In the lower Gulf and the lower Andaman Sea, the waves are expected about 1 meter high and above 2 meters high in thundershowers.