Luna Marine Charts

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.

▶ Chart Intelligence AI
- Get more from your charts with AI-powered explanations and route analysis.
- Chart area overview: Understand the important features and conditions in the area you're viewing.
- Navigation hazards: Identify hazards and things to watch out for.
- Rules, depths & shoaling: Understand restrictions, charted depths, and shallow-water hazards.
- Traffic & Coast Pilot :Learn about expected vessel traffic and relevant official guidance.
- Route review: Analyze your route for hazards, restrictions, depths, and other potential concerns.

▶ 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