What is the important role of visual signals in diving?

Visual signals play a crucial role in enhancing communication and safety during dives when verbal communication is not feasible. Underwater, sound travels differently than in air, and verbal communication can be ineffective due to the noise of bubbles, water currents, and distance between divers. Therefore, visual signals are essential for conveying important messages clearly and efficiently among divers, such as indicating safety issues, expressing the need to ascend or descend, or signaling to regroup.

Additionally, visual signals can help divers share experiences and observations underwater, fostering a collaborative environment that enhances both safety and enjoyment during the dive. The use of hand signals and other visual cues ensures that all divers are aware of one another's intentions and needs, which is vital for a safe diving experience.