Start Your Coastal Yachtmaster Offshore Today

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Online theory at home

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No need to guess if the course is going to be good or not. Try it free. At we offer the most comprehensive free trial so you can see how much more advanced it is than other training courses.


The coastal / Yachtmaster theory covers both coastal skipper and Yachtmaster offshore and is what is required to take the RYA Coastal Skipper or the RYA Yachtmaster Offshore.

Fully animated lessons

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Pre course knowledge

Day Skipper theory

Yachtmaster Offshore Itinerary

Chart basics
How to use the chart and check chart datum.
Checking and making chart corrections.
Compass variation and deviation
Variation and deviation explained using animated drawings and sketches.
Solving problems of healing error and dip.
All about tides
Tidal terminology.
Using tide tables advanced.
Using and working out secondary port information.
Using and applying time zones.
Tidal stream and the tidal stream atlas.
Working with tidal diamonds.
Using the computations of rates graph.
Position fixing
Dead reckoning and working up an estimated position taking into account tides and leeway.
Techniques for visual fixing.
Course to steer
How to work out and plot a compass course to steer taking into account tides, leeway, time zones and computation of rates.
Electronic aids to navigation
Includes the free Navathome radar sim, use of GPS, chart navigation systems, AIS and much more.
Electronic chart plotting
Includes using the RYA chart plotter simulator included with the RYA course pack. How to use NMNE data.
Passage planning
Planning, routines and watch systems
Execution and monitoring a passage.
Visual aids to navigation
Buoyage and lights.
Leading lines and lights.
Distance off by rising and dipping.

Leading lines and transits.
Clearing bearings.
Pilot plans and restricted visibility.

Why People Choose Us

Navathome is one of the longest providers of RYA courses online. Our automated feedback systems, animated graphics and optional voice overs give a learning experience unmatched by any of our competitors.

Fast access

Access to you course is immediate when you book and your learning can start straight away.

Dedicated Team

You are provided with backup and help by our RYA Ocean Yachtmaster instructors.

Support seven days a week

Your instructor will be available from 0800 until 2000 UT or BST seven days a week and more often until late in the evening.

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We Are Available Worldwide

Navathome provides courses all over the world and will send your RYA pack to any country.

RYA qualifications are recognised in more countries than any other training body.

Go with the RYA and be safe at sea.