What Does a Black & Yellow Buoy Mean? (Cardinal Marks Explained) – Sailing Wizard

If you see a black and yellow buoy while you're sailing, don't ignore it. Cardinal Marks are there to help you avoid hidden hazards in the water. This helpful article will help you to identify a cardinal mark, and understand what you need to do when you see one on the water.

Cardinal mark buoys

The Ultimate Guide to Buoys and Flags – Boating Articles Your Boating Guide

Maritime beaconing, the cardinals explained

BUOYAGE SYSTEMS - IALA CARDINAL MARKS

Buoys Part II: The Cardinal Rule - ALL AT SEA

Cardinal buoys - Nordak Marine

Cardinal Buoys

Navigation: essential buoys and marks - YBW

The Ultimate Guide to Buoys and Flags – Boating Articles Your Boating Guide

Types of buoys for boats and their meanings

Lake Navigation Buoy and Marker Reference Guide - Voyageurs

Buoy & Marker Messages

Orange Buoy Meaning - Dunn-Rite Products

Fairway Buoys - Nordak Marine