Open Water Diver

Open Water Diver (OWD) is an entry-level autonomous diver certification for recreational scuba diving. Although different agencies use different names, similar entry-level courses are offered by all recreational diving agencies and consist of a combination of knowledge development (theory), confined water dives (practical training) and open water dives (experience) suitable to allow the diver to dive on open circuit scuba, in open water to a limited depth and in conditions similar to those in which the diver has been trained or later gained appropriate experience, to an acceptable level of safety.

Minimum training standard

The OWD training standard of most agencies complies with the minimum requirements of international Standard ISO 24801-2. Autonomous diver.[1]

Agencies issuing certification named Open Water Diver

The "Open Water Diver" certification name is used by the Professional Association of Diving Instructors (PADI),[2] Scuba Schools International (SSI),[3] the National Academy of Scuba Educators (NASE) Worldwide,[4] and the Sub-Aqua Association (SAA),[5] which is recognised by the Confédération Mondiale des Activités Subaquatiques (CMAS) as a CMAS 1-star certification.[6]

Equivalent certification issued by other agencies

The National Association of Underwater Instructors (NAUI) entry-level course is called Scuba Diver. The British Sub-Aqua Club (BSAC) calls its equivalent qualification 'Ocean Diver'.[7]

See also

  • Diver training  Processes by which people develop the skills and knowledge to dive safely underwater
  • Advanced Open Water Diver  Recreational scuba diving certification slightly above minimum entry level


  1. "ISO 24801-2". International Organization for Standardization (ISO). Retrieved 2015-01-17.
  2. "Open Water Diver". PADI. 2008. Retrieved 2009-08-27.
  3. "Open Water Diver & Scuba Diver". SSI. 2013. Retrieved 2013-02-13.
  4. "Learn to Scuba, Scuba Diving and Scuba Lessons". NASE Worldwide. 2012. Retrieved 26 October 2012.
  5. "SAA Diver Grades". Sub-Aqua Association. Retrieved 2014-04-13.
  6. "Cross-overs". Sub-Aqua Association. Retrieved 2014-04-13.
  7. "Diving Course Syllabus". British Sub-Aqua Club. 2009. Retrieved 2009-08-27.

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