Description
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Unparalleled coastal chart coverage
- Provides industry-leading coverage, clarity and detail with updated coastal charts that feature integrated Garmin and Navionics® data
- Auto Guidance1 technology calculates a route using your desired depth and overhead clearance and provides a suggested path to follow
- Includes Depth Range Shading for up to 10 depth ranges, enabling you to view your target depth at a glance
- Up to 1-foot contours provide a more accurate depiction of the bottom structure for improved fishing charts and navigation in swamps, canals and marinas
BlueChart g3 coastal charts provide industry-leading coverage, clarity and detail with integrated Garmin and Navionics data. Also included is Auto Guidance1 technology, which uses your desired depth and overhead clearance to calculate routes and provide a suggested path to follow — overlaid onto your chart. NOAA raster cartography is also available as a free downloadable feature via the ActiveCaptain app. It gives your chartplotter paper chartlike views of NOAA-surveyed areas in which individual points of interest are labelled with corresponding longitude and latitude information. Worldwide coverage is available by regions as accessory cards or via download; each region is sold separately.
Auto Guidance technology
The Auto Guidance feature1 calculates a suggested route using your desired depth and overhead clearance.
![Auto Guidance technology](https://res.garmin.com/en/products/010-BLUG3-DL/g/auto-guidance-5a9394ed-0671-40d9-899b-9ea782ed529b.jpg)
Depth Range Shading
This feature displays high-resolution Depth Range Shading for up to 10 depth ranges, so you can view your designated target depth.
![Depth Range Shading](https://res.garmin.com/en/products/010-BLUG3-DL/g/depth-range-shading-698c12aa-0431-4405-b641-a7d02cfe6dfb.jpg)
Detailed Contours
BlueChart g3 charts feature 1-foot contours that provide a more accurate depiction of bottom structure for improved fishing charts and enhanced detail in swamps, canals and port plans.
![Detailed Contours](https://res.garmin.com/en/products/010-BLUG3-SD/g/4-cee23072-b45d-4131-b0ce-d032db86c650.jpg)
Shallow Water Shading
To aid in navigation, Shallow Water Shading allows map shading at a user-defined depth to give a clear picture of shallow waters to avoid.
![](https://res.garmin.com/en/products/010-BLUG3-SD/g/Update_blue_02-38d4dba9-ae2e-4cc1-ac18-4c5ffca178ec-33196837-2938-4001-9d63-b1e6456768ad.jpg)