Why is it important to be mindful of tidal changes?

Being mindful of tidal changes is crucial primarily because these changes can significantly alter water depths and currents, which directly impacts navigation. Tides can create varying water levels that may change the depth of channels, making some areas navigable at high tide but potentially hazardous at low tide due to insufficient water depth. Additionally, tidal currents can influence the speed and direction of a vessel's movement, affecting the ability to maneuver safely. Boaters must take these factors into account to avoid grounding, collisions, or being swept off course. Hence, understanding tides greatly aids in safe and effective navigation on the water.

Although other options present relevant aspects, they do not specifically address the critical nature of navigation safety, which is the core of why tidal awareness is essential.