What is OpenCPN?

OpenCPN (Open Chart Plotter Navigator) is one of the most widely used marine navigation software systems in the world. Originally developed by sailors for sailors, it is a powerful open-source chart plotter trusted by recreational and professional mariners. It supports a wide range of charts, navigation tools, and marine data sources, and it comes pre-installed on your Dolphin Chartplotter tablet, ready to run.

OpenCPN Features

Everything you need to plan, navigate, and track a voyage, built into the software already loaded on your tablet.

Advanced chart plotting
  • OpenCPN supports multiple marine chart formats including:
  • - Raster nautical charts
  • - Vector charts
  • - ENC charts
  • - CM93 charts
  • - MBTiles charts
  • Charts are displayed with smooth zooming, panning, and detailed navigation information.
Route Planning
  • Plan your voyage in advance with powerful route tools:
  • - Create and edit routes
  • - Set waypoints
  • - Measure distance and bearing
  • - Calculate ETA and course
  • - Optimize navigation paths
  • Routes can be saved, edited, and reused.
Waypoints and Markers
  • Easily mark important locations:
  • - Fishing spots
  • - Harbours and marinas
  • - Hazards and reefs
  • - Anchorages
  • - Personal points of interest
  • Waypoint management tools help you organize and navigate between locations.
GPS Navigation
  • OpenCPN uses GPS data to show your exact position on the chart in real time.
    Navigation features include:
  • - Course over ground (COG)
  • - Speed over ground (SOG)
  • - Track recording
  • - Navigation alarms
  • - Distance and bearing calculations
Plugin Support
  • OpenCPN supports a wide range of plugins that expand its functionality, including:
  • - Weather routing
  • - GRIB weather forecasts
  • - Tidal predictions
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