The phrase "bow wave" refers to the curved splash or wave that forms at the front of a moving object, like a boat or a swimmer. It happens when something moves through a liquid, pushing the water out of its way. Full definition
As depth increases, we slow to keep the all - important bow wave just ahead of us. (automobilemag.com)
They frequently leap clear of the water, sometimes together as one and ride bow waves of vessels for a long time. (xcalak.info)
Much the way ships form bow waves as they move through water, CMEs set off interplanetary shocks when they erupt from the Sun at extreme speeds, propelling a wave of high - energy particles. (sciencedaily.com)