When describing the impressive force of the ocean's tides, the term 'giant sea swell' may come to mind. However, there are a variety of other phrases to use instead. Some synonyms for this phrase include 'monstrous wave', 'towering surf', 'massive swell', 'enormous breaker', and 'colossal tide'. Each of these options helps to paint a vivid picture of the immense power of the ocean's currents. Whether describing a stormy day at the beach or an impressive sight in the open sea, these synonyms provide a variety of ways to capture the awe-inspiring beauty of nature's forces.