Satellite Overlay, offers a top-down view of inland and coastal areas.
SonarChart Shading, gives a unique perspective of underwater topography at a glance. Created from the high-definition contour data within SonarChart, our shading presents a detailed rendering of the seafloor and lake bottoms in varying shades of blue.
Satellite Overlay
SonarChart Shading
Enhanced Situational Awareness at a Glance
Satellite Overlay
Especially helpful in congested ports and marinas, crisp satellite overlay can also help you find hidden features such as backwater channels that might hold fish.
SonarChart Shading
Clearly see channels, drop-offs and other structures over a wide area.
Search the map for visual cues to identify fish-holding structure on inland lakes and coastal fisheries.
Get Satellite Overlay and SonarChart Shading
GPS Plotter
Included as a downloadable option with Platinum cards, the combined overlay can be viewed with compatible models from many brands. Check compatibility.
With an active subscription, from the Map Options section of the app you can easily overlay Navionics Satellite with SonarChart™ Shading on our chart layers. How to download SonarChart Shading
When you purchase any new product, a one year subscription to daily updates and many advanced features is included.
GPS Plotter Cards What you get: - Download of chart layers - Daily Updates - Dock-to-dock Route Guidance - Advanced Map Options - Plotter Sync - Satellite Overlay with SonarChart Shading - Relief Shading - Sonar Imagery
Check if your GPS plotter model is compatible with advanced features and make sure it is running the latest software.
Mobile App What you get: - Download of chart layers - Daily Updates - Auto Guidance+ - Advanced Map Options - Weather & Tides - AIS - GPX Import/Export - Plotter Sync - Satellite Overlay with SonarChart Shading - Relief Shading - Share/View Live Location - Share/Save shared tracks, routes and markers
Subscription expired? After one year, you can purchase a renewal. If you don’t, you can still use your chart layers and download the rest of your coverage area.
The above mentioned advanced features or the download of chart updates require an active subscription.