Satellite Overlay
with SonarChart™ Shading

A Combined Overlay

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 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 with Platinum cards, the combined overlay can be viewed with compatible models from many brands.
Check compatibility.

Already have a Platinum Card? With an active subscription, you can download it through the Chart Installer.
Check "How to Display" Tutorials.

Mobile

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

SonarChart Shading Coverage

The Navionics Subscriptions

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 Autorouting
- Advanced Map Options
- Plotter Sync

Check if your GPS plotter model is compatible with advanced features and make sure it is running the latest software.
Activate your subscription online within 2 months of purchase.

Mobile App
What you get:
- Download of chart layers
- Daily Updates
- Dock-to-dock Autorouting
- Advanced Map Options
- Weather & Tides
- AIS
- GPX Import/Export
- Plotter Sync
- Satellite Overlay with SonarChart™ Shading

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.