Open Water Diver

The Open Water Diver course is designed to transform you from a novice into a confident, certified diver. Through a blend of theory sessions, practical sessions in confined water, and your first open water dives, the course prepares you for the adventures that lie beneath the surface. You'll learn not only the technical aspects of diving but also gain an appreciation for the aquatic environment and the importance of diving responsibly.

The Open Water Diver course, whether you choose the path laid out by Scuba Schools International (SSI) or the Professional Association of Diving Instructors (PADI), prepare you for the aquatic adventures ahead.

Theoretical Foundations: The Classroom Sessions

The Physics of Diving: Understand the forces at play beneath the waves. This module demystifies how pressure and density affect your body and gear as you dive deeper.
Physiology: Learn about the effects of diving on the body, including how to manage potential challenges such as decompression sickness and nitrogen narcosis.
The Diving Environment: Learn about the marine ecosystems and how to interact responsibly with marine life and minimize your ecological footprint.
Dive Planning and Safety: Master the art of planning your dives, including how to use dive tables and computers to track your nitrogen levels, ensuring every adventure is as safe as it is exhilarating.
Equipment Knowledge: From your mask to your fins, each piece of gear plays a crucial role in your underwater journey. This section covers how to choose, use, and maintain your equipment.

Confined Water Sessions: Your Training Ground

Breathing Underwater: Experience your first breaths underwater, learning to use the regulator and manage your air supply.
Buoyancy Skills: Achieve weightlessness as you fine-tune your buoyancy control, essential for effortless underwater navigation.
Emergency Skills: Practice critical safety procedures, including how to clear water from your mask and manage out-of-air situations.
Basic Underwater Navigation: Learn to use a compass and natural landmarks to orient yourself beneath the surface.

Open Water Dives: The Final Frontier

The Open Water Diver course culminates in four dives, where you'll demonstrate essential skills:

Remove and Replace Gear, improving adaptability with your scuba unit and weight system.
Tired Diver Tow over 25 meters/yards, showcasing rescue readiness.
Cramp Removal for both yourself and a buddy.
Straight Line Compass Swim for 50 meters/yards, essential for navigation.
Snorkel/Regulator Exchange, facilitating ease of breathing at the surface.
Inflatable Signal Tube Use, crucial for surface communication and underwater marking with a DSMB.
Emergency Weight Drop, a key buoyancy control skill, if not completed in confined water sessions.
Compass Navigation – Straight-Line Swim (Out and Back), honing underwater orientation.
Controlled Emergency Swimming Ascent (CESA), simulating a calm response to out-of-air situations.

With this qualification securely in your dive bag, you're authorised to:

Dive Globally: Venture up to 18 meters (60 feet) beneath the surface, exploring coral reefs, historical wrecks, and underwater landscapes. The Open Water certification from either SSI or PADI is one of the most widely recognised certifications globally.
Buddy Up and Dive: The certification allows you to plan and execute dives with a buddy independently of professional supervision.
Access to Advanced Training: Your Open Water Diver certification is the foundation upon which you can build a tower of diving skills and experiences. Advanced courses, rescue diver training, and various specialty courses like deep diving, night diving, or underwater photography await.
Gear Acquisition and Rental: Equipped with this certification, dive shops around the globe will often welcome you to rent equipment, refill tanks, and offer advice on local dive sites. It also means you can invest in your own gear, knowing exactly what suits your style and needs.
Join a Community: Beyond the practical aspects, this certification introduces you to a global community of divers. It's an opportunity to engage, share stories, and contribute to the preservation of underwater ecosystems.

Age: Aspiring divers as young as 10 can start their journey with the Junior Open Water Diver certification, while those 15 and older can aim for the standard certification.
Health & Fitness: A reasonable level of fitness and health is required, with a medical statement to ensure you're fit to dive.
Swimming Skills: You'll need basic swimming skills, but you don't have to be an Olympian. Just comfortable in the water. You will need to complete a 200-metre swim and float for ten minutes (either treading water or just floating)

The course typically spans over 4-5 days but can vary based on the student's pace, the dive centre's schedule, and whether some of the theory is completed through e-learning in advance.
You can also complete the classroom and confined water dives first and then go and complete the open water dives elsewhere, this is known as an Open Water Referral or a Confined Open Water. It is a great option if you want to learn somewhere, such as London, before going on holiday for the open water dives.

Achieving the Open Water Diver certification involves a blend of theoretical knowledge and practical skill assessments designed to ensure divers are equipped for safe and responsible diving.

Theory Examination: Candidates complete a final exam covering diving principles, safety, equipment, and environmental awareness. This ensures a solid understanding of essential theoretical concepts.
Skills Demonstration: In confined water sessions, proficiency in key scuba skills such as buoyancy control, mask clearing, and emergency procedures is assessed. This stage is crucial for building confidence and competence in a controlled environment.
Open Water Dives: The certification journey culminates with four open water dives, where candidates demonstrate their ability to plan and execute dives, navigate underwater, and manage real-life diving scenarios.

You need to be at least 10 years old for the Junior Open Water Diver course, and 15 years or older for the standard Open Water Diver certification.

No prior diving experience is required. The course is designed to introduce beginners to scuba diving.

You need basic swimming skills and the ability to comfortably maintain yourself in the water, but you don't need to be an expert swimmer. The course will build your confidence and skills in the water.

Yes, the certification is recognized globally and allows you to dive up to 18 meters (60 feet) with a buddy in conditions similar to those you were trained in.

Yes, once you are certified as an Open Water Diver, the certification does not expire. However, if you have not dived for an extended period (normally over 6 months), a refresher course is recommended.

Absolutely! After completing the Open Water Diver course, you can advance to higher levels such as Advanced Open Water Diver and explore specialty courses to further enhance your diving skills and experiences.

PADI Open Water Course (Part B) at Mercers Lake

PADI Open Water Course (Part A) – Learn to Scuba Dive

GO PRO - The PADI 'Zero to Hero' Diving Course

SSI Open Water Diver Course in Borehamwood, Hertfordshire

Open Water Diver Course on La Maddalena Island

Bookeo: Oyster Part A

PADI Open Water Referral Diver Training Course in North Devon

Overview

Syllabus

Theoretical Foundations: The Classroom Sessions

Confined Water Sessions: Your Training Ground

Open Water Dives: The Final Frontier

Articles and resources

What PADI Course Should You Do? And Other FAQs Answered

What it enables

Prerequisites

Duration

Assessment

Frequently asked questions

PADI Open Water Course (Part B) at Mercers Lake

PADI Open Water Course (Part A) – Learn to Scuba Dive

GO PRO - The PADI 'Zero to Hero' Diving Course

SSI Open Water Diver Course in Borehamwood, Hertfordshire

Open Water Diver Course on La Maddalena Island

Bookeo: Oyster Part A

PADI Open Water Referral Diver Training Course in North Devon