The reason you need to know your tidal curves!

Knowing the fundamentals of navigation will ensure you know, rather than hope, you are going to clear a bridge. The RYA Sail Cruising syllabus deals with this in a theoretical and on a practical level. Book a course now and learn this along with other essential skills. Don’t be one of those yachtsmen who are either petrified or oblivious to the potential hazards as they crane their necks and see the above.