Key Features

Luna Marine Charts is a fast, modern marine navigation application built for sailors, cruisers, and recreational boaters.

Plan routes in minutes, explore NOAA and USACE nautical charts with smooth zooming and panning, and access chart data, tides, and currents even when you're offline. Whether you're preparing at home, planning a coastal passage, or navigating on the water, Luna helps you stay informed and focused.

Charts & Offline Access

• Download NOAA coastal charts and USACE Inland River charts for offline use
• Access charts, tides, and currents without an internet connection
• Full coverage of U.S. coastal waters using official NOAA data
• Day, dusk, and night display modes
• Choose preferred units for depth, distance, and speed

Route Planning

• Create routes quickly with simple waypoint placement
• Automatically calculate distance and bearing between waypoints
• Drag waypoints to adjust routes instantly
• Insert new waypoints anywhere along an existing route
• Import and export routes as GPX files for use with other navigation tools
• Auto Routing: Including path finding and great circle algorithms

Tides & Currents

• Tide & Current Support: NOAA Tide and Current station data are now integrated into the map.
• Instant Access: Tap a Tide station icon for water level predictions, or a Current icon for flow speed and direction.
• Prediction Graphs: Data is presented in both a graph and table along with relevant metadata.

Live Navigation (Pro Feature)

• Turns Luna Marine Charts into a real-time navigation display by using your device's GPS position updates to track your vessel on the chart.
• Displays a dashboard that includes: GPS signal status, Speed Over Ground, Course Over Ground, Time to Destination and next waypoint, and much more.

GPS Track Recording (Pro Feature)

• Record GPS tracks with support for pause and resume with multiple segments.
• Import and export tracks as GPX files.

Designed For Boaters

• Whether you're planning a day sail, cruising the coast, or preparing for a longer voyage, Luna Marine Charts provides fast route planning, offline NOAA and USACE charts, and essential navigation information in a clean, easy-to-use interface.

Download & Installation

Mac OS / Phone / iPad

Android

Mac OS (DMG download)

DMG (Apple Silicon): Download now

Windows

Windows Installer (Intel x64): Download Now

Note: The Windows build is not currently code signed and will display SmartScreen warnings.