Although they seem beautiful, square waves can be hazardous. These so-called square waves can be observed on open waters and ...

This rare occurrence highlights the hidden dangers of even the most beautiful natural events. [square waves] [ocean dangers] [dangerous waves] [rare wave patterns] [marine science] [ocean safety ...

With no warning, these waves can sweep people off their feet and pull them into the freezing ocean. The currents are so strong that even experienced swimmers would struggle to get back to shore.