Reading the depth on a nautical chart depth can be challenging for a beginner boater. However, with a step-by-step guide, it can be easy to get to grips with.
Distances at sea are measured in nautical miles which are different to land miles. To measure distance on nautical charts, you will need a nautical ruler or dividers, which are specifically designed for use with charts. Calculating nautical miles on
This article will equip you with a useful step-by-step guide to aid you in creating a passage plan, but before we start let's get a better understanding of what the passage plan is, why it’s important and what you should consider.