《元史·本纪·卷三》
蒙哥知道后立即进军，到达那地方时正好大风把海水刮去了；水浅了，可以渡过去。
帝闻，亟进师，至其地，适大风刮海水去，其浅可渡。
After Mengge found out, he immediately advanced his troops. When he reached the place, a strong wind had happened to have blown the ocean water away, and the water was shallow enough to cross over.