That night, in the dim glow of the marina’s Wi-Fi hotspot, Elias sat in the cockpit and typed the frantic query into his search engine:
: View detailed global charts for free on your computer through the Navionics Chart Viewer
However, Navionics is a proprietary system. It uses encrypted vector data, high-resolution bathymetry, and active sonar integration. This is not a simple JPEG you can screenshot.
He expected a simple list. Instead, he opened a digital can of worms.
These are not interactive like Navionics but can be downloaded and used with apps like or Avenza Maps (free version allows 3 downloads).