YMO-THEORY-L1.2

Tidal Streams over Several Hours

YMO-THEORY-M1 · Tidal Calculations to Exam Standard · YMO-THEORY-M1-A Secondary port times and heights by interpolation, multi-hour tidal stream vectors and a single course to steer over several hours.

Offshore, the stream changes every hour. **Add the hours together; do not plot each one as a separate triangle.**

Independent study. xplor is not an accredited training provider and awards no certificate or Certificate of Competency. This course does not replace the RYA Coastal Skipper/Yachtmaster Offshore shore-based course certificate, and the Yachtmaster Coastal or Offshore certificate is only gained by passing the practical exam with an RYA examiner. AI-drafted content pending subject-matter-expert review.