Luna Marine Charts

GPS, Routes, Tides & Currents

Free · In‑App Purchases

Fast, modern marine navigation with offline NOAA charts, route planning, tides, and live AIS. Built for sailors and boaters. Actively updated with new features! Luna Marine Charts is a fast, modern marine navigation app built for sailors, cruisers, and recreational boaters. Plan routes in seconds, navigate with official NOAA and USACE vector charts, and access tides and currents 100% offline. Whether you're preparing at home, planning a coastal passage, or navigating on the water, Luna helps you stay informed and focused. ▶ Official Charts & Offline Navigation - Download NOAA Coastal and USACE Inland River charts for offline use - Full offline access to chart data, tide stations, and current predictions - High-contrast Day, Dusk, and Night display modes to protect night vision - Customizable units for depth, distance, and speed ▶ Fast Route Planning - Tap to place, drag, or insert waypoints to edit routes instantly - Real-time distance, bearing, and ETA calculations - Smart Auto-Routing with Great Circle navigation support - Seamless GPX route import and export ▶ Integrated Tides & Currents - Tap any tide or current station directly on the map for instant forecasts - View water level predictions and flow speed/direction in clean graph views - Access full station metadata and daily prediction tables off the grid ▶ Live Instrument Dashboard (Pro) - Turn your phone, tablet, or laptop into a real-time marine display - Monitor live Speed Over Ground (SOG), Course Over Ground (COG), and GPS signal strength - Track distance and time remaining to your active waypoint ▶ AIS Traffic & NMEA Integration (Pro) - Connect to your boat’s NMEA network via Wi-Fi or serial cable - Overlay live AIS targets directly on your chart for enhanced collision awareness - Stream high-accuracy position data from your vessel’s external GPS receiver ▶ GPS Track Recording (Pro) - Record your tracks with flexible pause, resume, and multi-segment tracking - Export tracks as GPX files to archive your logs or share with other boaters

Ratings & Reviews

  • 5.0
    out of 5
    2 Ratings

▶ New Features - AIS Traffic & NMEA Integration (Pro) ▶ Bug Fixes and Enhancements - Improved map display and chart selection. Sounding display normalized over map area. - Other minor bug fixes and UI improvments

Version 1.0.58

The developer, 45 Adapter LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • 45 Adapter LLC
    Size
    • 34.2 MB
    Category
    • Navigation
    Compatibility
    Requires iOS 15.6 or later.
    • iPhone
      Requires iOS 15.6 or later.
    • iPad
      Requires iPadOS 15.6 or later.
    • iPod touch
      Requires iOS 15.6 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Location
    • This app may use your location even when it isn’t open, which can decrease device battery life.
    Languages
    • English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 45 Adapter LLC
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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