The National Oceanic and Atmospheric Administration (NOAA) provides free, official electronic navigational charts (ENCs) . While they lack Navionics’ fancy relief shading, they are more accurate for navigation marks and buoys.
Best apps to use them for free:
Download link: NOAA ENC Direct to GIS (search "NOAA ENC download"). navionics marine maps free downloads best
Verdict: Best for US coastal sailors. Not as pretty as Navionics, but safer for navigation. Download link: NOAA ENC Direct to GIS (search
Searching for "Navionics marine maps free download best" will lead you to torrent sites or file lockers claiming to have a "cracked" version. navionics marine maps free downloads best
Do not do this. Here is why:
This is Navionics' killer feature.