High Def detail

SonarCharts™ 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 sent by individual users with existing data to ensure SonarCharts 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 brands and mobile devices. See the video, and learn more from this article and SonarCharts stories!


Plotter, Mobile, PC & Web!

Get SonarCharts™ 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 SonarCharts™ on your plotter. On mobile and PC, find it in any Boating app on Apple, Android and Windows. View it now on our WebApp!

SonarCharts for Garmin GPS!

Now available in the Americas, this version of SonarCharts is customized for use in Garmin plotters and handhelds. World regions are being released progressively and beta samples are available. Learn more here.

Create new SonarCharts™!

Each contribution benefits you and the community. Learn how easy it is to record sonar logs using your Humminbird, Lowrance, Raymarine, Simrad, B&G, and Garmin equipment. Save to any card, upload, and see results in about one week. Watch the video.

...And see it!

New sonar log data normally takes about a week to be integrated within SonarCharts, but may sometimes take longer based on data process variables. See new SonarCharts on plotter by updating charts via Freshest Data. On mobile or PC app, just tap Menu>Update All. The latest charts are always free online with WebApp.

Connect from your boat!

Now Raymarine users don't need to remove their card from the plotter to enhance SonarCharts™. Learn more.

Fishfinder & SonarCharts Live on mobile!

SonarPhone feature enables a fishfinder split-screen on your Boating app for iPhone, iPad and Android. Also, on iPhone and iPad (coming soon to Android), get MIBS Innovation Award winning SonarCharts™ Live (video), where you create a personal HD bathymetry map in real-time. And you automatically contribute data that enhances SonarCharts on your favorite spots!


Plus Tabs Display

Sweden, Norway and Finland restrict sonar logs recording at sea. For details, contact the Ministry of Defense of Sweden (forsvarsdepartementet.registrator@gov.se), Norway (postmottak@fd.dep.no) or Finland (kirjaamo@defmin.fi).