But the sea ebb and flow, Big Wave Xiaolangdi stop, there is a moment when calm, and the monthly high tide and ebb of the daily sea surface height is also significantly different.

• 但海面潮起潮落，大浪小浪不停，可以说没有一刻风平浪静的时候，而且每月每日涨潮与落潮的海面高度也是有明显差别的。