A cross sea (also referred to as a squared sea or square waves) is a sea state of wind-generated ocean waves that form nonparallel wave systems. Cross seas have a large amount of …

Feb 7, 2025 · This rare wave pattern occurs when two swells coming from different directions meet and form squares on top of the water, often resembling a checkerboard or grid.

Jun 22, 2025 · Learn about square waves, a stunning natural phenomenon that forms a checkerboard-like pattern on the ocean surface.

A cross sea is a strange yet dangerous phenomenon that creates a square-shaped wave pattern near the shore. Square waves are rare but might appear anywhere.

Nov 4, 2025 · Square waves, also known as cross seas, are a rare and striking ocean phenomenon in which waves intersect from two different directions, forming a grid-like or …

Oct 23, 2023 · In short, if you see a square wave, you want to get out of the water immediately as they pose real danger. However, it might not be so easy to see the pattern the two swells …

Aug 28, 2025 · Square waves describe a distinctive ocean phenomenon where two sets of waves move at perpendicular or near-perpendicular angles, creating a grid or checkerboard pattern …

1 day ago · What Does Square Waves In The Ocean Mean? Understanding Cross Seas Square waves in the ocean, also known as cross seas, are a peculiar phenomenon where two wave …

Square waves are a rare phenomenon that occur when two ocean swells collide. They’re mesmerising to look at, and a sight to behold, but they’re dangerous for surfers, swimmers, …

In its simplest definition, square waves happen when two ocean swells from opposite directions meet together. Remember, ocean swells are a series of waves formed along by winds blowing …