The rather strong high pressure remains over upper Thailand, and the westerly trough moves across the North and the upper Northeast. It affects severe weather including thundershowers with gust especially in the upper Northeast. Cool to cold condition will be likely. Temperature is expected to decrease by 3-5 °C.
The rather strong northeast monsoon across the South and the Gulf of Thailand leads to widely scattered rain with waves 2-3 meters high from Nakhon Si Thammarat southward. All ships should proceed with caution.