Change the display of chart layers and overlays in the Navionics® Boating app by doing the following:
- Tap the Map Options button
in the lower-left of the screen, or go to Menu > Map Options - Select a Chart Layer
- Select your Map Overlay
Chart Layers
Nautical Chart:
- Essential cartographic reference for boaters worldwide for lakes and marine areas
- Derived from government and private sources
- Includes port plans, safety depth contours, tides and currents, navigation aids, nearby marine services and more
SonarChart™:
- HD bathymetry map featuring extraordinary bottom contour detail for marine and lakes
- Increases awareness of shallow waters and for locating fishing areas at any depth level
- Constantly enhanced by millions of sonar logs contributed by boaters
US Govt. Chart:
- Include the NOAA Electronic Navigational Charts for U.S. coastal and navigable waterways plus additional shorelines of major lakes and rivers
- Included with these coverage areas: US & Canada and Mexico, Caribbean to Brazil
Overlays
Map Overlays require an active subscription for the specific coverage area.
Satellite Imagery:
- Top-down satellite overlay of coastal and lake areas
- Provides a realistic view of your surroundings
- Ideal for entering unfamiliar harbors or ports
Relief Shading:
- A highly detailed shading combining color and shadow
- Provide an easy-to-interpret, clearer view of bottom structure
- Use the toggle to add Satellite Imagery
Sonar Imagery:
- For select lakes
- Reveals bottom hardness clearly and in vivid color, highlighting both subtle and dramatic transition areas
- Use the toggle to add Satellite Imagery
Other map options are not available when US Govt. Chart is enabled.