This aerial view shows a surfer catching a wave at Mavericks Beach in Half Moon Bay, Calif., in December 2023. A rogue wave is characterized as one that's 2.2 times larger than the average wave ...

Sneaker waves could be lethal by knocking over unsuspecting people and pulling them into cold waters or carrying heavy driftwood logs that can pin people down. The NWS issued a Beach Hazards ...