Interpreting sonar is one of the most valuable skills an angler can develop. Modern technologies like side imaging, down imaging, and traditional CHIRP provide incredibly detailed underwater images—but only if you know what you’re looking at. This guide is designed to help anglers confidently identify various structures and vegetation using real sonar examples.

Whether you’re spotting weed edges, locating isolated rocks, or recognizing submerged tree trunks and stumps, this resource provides clear, practical, and effective tools to read your sonar like a pro. My goal is to make sonar interpretation simple, visual, and actionable so you spend less time guessing—and more time catching fish.

How to read sonar images: Underwater structures

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