Cardinal Buoy Guide (FREE)

**This version of Cardinal Buoys Guide is supported by advertising so you can use it for FREE - there is a paid version, of the same name which removes these**

A handy reference guide for cardinal buoys, that allows you to identify them - even when out at sea and no internet signal is available!

This guide helps you identify cardinal buoys by:
- Arrows
- Colours (both actual colours and chart code colours)
- Flashing lights (at night and on charts)