Scuba Diving Hand SignalsScuba Diving Hand Signals

You can’t communicate with words underwater. When you want to ‘talk’ with your dive buddy, you need to use hand signals, a common language that you both understand.

These standardized gestures are the universal language of diving. They even let divers from different countries, backgrounds, and training organizations communicate clearly and effectively underwater.

So, let’s take a look at the diving hand signals every diver needs to know, from basic safety communications to specialized signals for marine life encounters and photography. These signals can make your scuba diving safer and more enjoyable.

Why Hand Signals Matter for Diving Safety

Underwater communication isn't just a convenience — it’s the best way to keep you safe when you dive. Effective communication between dive buddies is great

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