Description:SeaNav NP is a marine navigation app designed for sailors, cruisers, and coastal explorers. It delivers clear nautical charts, smart route planning, and dependable offline capabilities to keep you confident on the water. With GPS-based tracking, tide and weather overlays, and safety-focused tools, it streamlines planning and piloting from harbor to open coast.
Core features
- Nautical charts with depth contours, aids to navigation, and shoreline details for precise situational awareness
- Route planning with waypoints, distance, bearing, and ETA to optimize passages
- Offline chart downloads, GPS tracking, tide and weather overlays, and anchor watch for reliable on-water guidance
Why it stands out
- Fast, intuitive interface tailored for boating and cruising
- Works offline with preloaded charts for remote areas
- Practical, safety-minded tools for real-world marine navigation
Ideal for users seeking a boating GPS, marine navigation app, nautical charts, offline marine maps, and efficient route planning at sea
How to use:1. Download, open the app, and allow location access; set units, chart style, and download charts for your region.
2. Create an account or continue locally; manage areas for offline use to ensure coverage without a data connection.
3. Plan a route by long-pressing the chart to add waypoints; review distance, bearing, and ETA, then save your route.
4. Start navigation to follow your course with real-time GPS position, speed, and heading; enable safety alerts such as anchor watch.
5. Add tide and weather overlays for timing and visibility, record your track, and save or share routes and logs for future trips.