Understanding Waves

Learn about waves concerning diving. How do waves form and break? Waves: height, length, frequency and propagation. Ripples, Seas and Swells. The fetch and a fully developed sea. The surf.

Thank you to Easy Dive Theory for making this video

Understanding Tides

Tides can play an extremely big role in how easy/good a dive is. Dive conditions can be dependent on tides. Tides can also greatly affect dive safety. Learn what forms and regulates tides and more. A video lesson. How the Sun and Moon cause tides. Spring tides, neap tides, and the three patterns of tides on earth caused by the rotation of Earth and local topographical features: Diurnal, Semi-Diurnal and Mixed tides.

Thanks to Easy Dive Theory for making this video

Understanding Currents

Understanding currents is an important part of dive planning. Currents are caused by tides, global wind patterns, and upwellings. Big currents, called gyres, go clockwise in the Northern Hemisphere, and counter-clockwise in the Southern Hemisphere because of the Coriolis Effect.

Thanks to Easy Dive Theory for making this video

Tides- In Depth

An in-depth look at tides. What causes tides to form? How is the timing of tides affected by the earth? Find out more in this thorough video guide.

Thanks so much to our colleagues at PADI IDC Roatan for making this excellent guide. Great stuff Will

Currents- In Depth

An in-depth look at currents concerning diving. How are currents formed and further information to help you in your dive theory

Thanks so much to our colleagues at PADI IDC Roatan for making this excellent video.

Waves and Rip Currents – In Depth

Find out more about waves and rip currents in this in-depth guide to waves. Learn more for your dive pro theory

Thanks so much to our colleagues at PADI IDC Roatan for making this excellent video.

Communicating while Night Diving

This video demonstrates several ways to communicate while night diving, above as well as under the surface. This video is for demonstration purposes only and is not intended to replace formal scuba instruction. For more information contact us for the PADI Night Diver course.

Thank you to Dive Training Magazine for this informative video