High Def detail

SonarChart™ is an HD bathymetry map featuring extraordinary bottom contour detail, great for increasing awareness of shallow waters and for locating fishing areas at any depth level.

Want better charts? Go boating!

Get the most up-to-date charts every day. Navionics integrates the sonar logs from individual users with existing data to ensure the SonarChart becomes more and more precise, even in the ever-changing conditions of sea, lake and river bottoms. Only Navionics accepts sonar logs from all major plotter/sounder brands and mobile devices. See the video!

Plotter, Mobile & PC!

Get SonarChart™ on any device! On compatible plotters, it's included with Navionics +, Navionics Updates (for Gold and HotMaps Premium), Platinum+ and HotMaps Platinum. Learn how to view SonarChart on your plotter (video example). On mobile, find it in any Boating app on Apple and Android. View it now on our WebApp!
Garming Navionics Compatibility

Create a new SonarChart!

Learn how to record sonar logs using your Humminbird, Lowrance, Raymarine, Simrad, B&G, and Garmin equipment (video). Save to any card and upload. Plotter Sync is a simpler alternative, but the easiest, most impressive and automatic process is with SonarChart Live described below!

SonarChart Live!

Use your plotter/sounder or mobile device to create your personal HD bathymetry map in real-time with SonarChart Live. SonarChart Live is an excellent way to monitor the improvements your survey will bring to the SonarChart because contours are instantly seen while you're collecting sonar logs. See webinar.

Upload from your boat!

Raymarine Wi-Fi device users don’t need to remove their card from their plotter to upload sonar logs. They can can do it directly from their boat with the free Plotter Sync feature which also allows for the transfer of routes/markers and to download updated charts (webinar). Dragonfly PRO users can more conveniently perform sonar log uploads with the amazing and free SonarChart Live feature.

See the HD results!

Check the processing status of your sonar logs and see them on the map! New sonar log data normally takes about a week to be integrated within SonarChart, but may sometimes take longer based on data process variables. Once ready, see the new SonarChart on plotter by updating charts via Freshest Data. On mobile, just tap Menu>Update All. See the latest charts on our WebApp.