RYA Yachtmaster Ocean Theory

Taking sun sights on the RYA Yachtmaster Ocean Theory CourseWant the adventure of blue water cruising? This advanced theory course is for designed for you.


The RYA Yachtmaster Ocean theory course is ideal for RYA Yachtmaster Offshore skippers who are preparing for their first ocean passage. Our extremely experienced instructors at Grenada Bluewater Sailing will tutor you through the complex skills of astro-navigation and using a sextant. Candidates will learn ocean passage making, worldwide meteorology and using electronic navigation aids at sea.



RYA Yachtmaster Ocean Theory Course in the CaribbeanPrerequisites for the RYA Yachtmaster Ocean Theory

Prior to the course, your navigation skills should be at the standard of the RYA Coastal Skipper/Yachtmaster Offshore theory course. If you are aiming to undertake the RYA Yachtmaster Ocean Certificate of Competence, completion of this shore-based theory course exempts you from the written exam. Please contact us if you have any questions or need any assistance before booking.



How long is the RYA Yachtmaster Ocean theory course?

Grenada Bluewater Sailing teaches this course three times year with RYA Instructor Simon Bradshaw Рplease contact us for the schedule. The course is run over 40 hours and has one exam paper; it is covered as an intensive 5 day shore based course on Grenada.


Book now to avoid disappointment – these courses fill up fast!


RYA Yachtmaster Ocean Theory Course students on Grenada

RYA Yachtmaster Ocean Theory Topics:

  • The earth and the celestial sphere
  • Practical guide to use and care of sextant at sea
  • Meridian altitudes
  • Sun, star and other sights
  • Ocean passage planning.


RYA Resources

Buy RYA Yachtmaster Handbook (eBook) at the RYA Shop

Buy RYA Astro Navigation Handbook at the RYA Shop

Buy RYA Weather Forecasts at the RYA Shop


RYA Instructor Assistance

Our instructor at Grenada Bluewater Sailing is highly trained with over 100,000 logged sea miles on both professional and personal sailing experiences. Alex has explored the Caribbean Sea, the Mediterranean, and the colder UK/European waters. He is available for consultancy if you are planning an ocean passage, or have any other yachting questions. Alex can advise you on passage planning, ports to visit, sail plans and power needs. An on board sail and yacht inspection will allow a comprehensive report on your proposed cruise to be produced.