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