The moderate high pressure still covers upper Thailand and the South China Sea. Cool to cold spells remain are in the morning. The moderate northeast monsoon leads to widely scattered rain in the South and the lower Gulf’s wind waves about 2 meters high from Surat Thani southward. All ships should proceed with caution.
During 6-8 Feb, another rather strong high pressure from China will extend to upper Thailand with cold spell by decreasing temperature 3-6 °C, as well as strong winds while the South have isolated heavy rain. The stronger northeast monsoon leads to waves 2-4 meters high in the Gulf. All people should beware of inshore surf. All ships should proceed with caution, and small boats keep ashore.