The M_2 tide has a clockwise amphidromic point in the eastern part of the Gulf of Thailand. The K_1 tide has two anticlockwise amphidromic points located in the neighborhood of Hue in Beibu Bay and in the western part of the Gulf of Tharland.

• M_2分潮在泰国湾的东部有一个顺时针旋转的无潮点,K_2分潮在北部湾顺化附近和泰国湾西部各育两个反时针旋转的无潮点;