Professional marine navigation with official charts, live AIS and advanced route planning. It’s like Google maps for your boat.
Plan, navigate and explore with high-resolution official marine charts covering US, Canada UK & IE, Europe and Australia.
SeaNav combines charts, routing, AIS and weather in one powerful , easy to use and affordable — navigation app.
Charts available with a free 3 day trial.
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🧭 Plan Smarter
• Create and edit routes
• Auto-advance waypoints
• Measure distance & bearing
• Import & export GPX routes
• Works offline
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⛵ Navigate with Confidence
• Real-time GPS navigation
• Course Up & North Up modes
• ETA, XTE, VMG, SOG & COG
• Sailing HUD display
• Background navigation
• Waypoint reached alerts
• MOB and Anchor alarm (IAP)
• Night mode display
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📡 Live AIS & Safety (Optional IAP)
• Real-time AIS ship positions
• Collision alarms
• AIS position sharing
• Internet AIS integration
• Free AIS when used with Boat Beacon
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🌊 Charts & Marine Data
• Official high-resolution vector charts
• Seamless pan & zoom
• Buoys, lights, bridges & depths tappable
• Real-time distance & bearing to chart objects
• Configurable layers
• Satellite overlay
• NMEA instrument support (via Wifi or USB)
Charts available for:
US, Canada, BVI, Bermuda, UK & Ireland, Germany, France, Netherlands, Belgium, Norway, Spain, Croatia, Portugal, Sweden, Italy & Australia.
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🌦 Weather & Tides (Optional IAP)
• Wind & wave forecasts (7 days)
• Tidal heights & tidal streams
• Moon & sun times
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🎓 Try Everything Free
Built-in demo mode gives free access to charts, AIS, weather and tides.
The free version includes all route planning and navigation tools.
High-resolution vector charts are available via 12-month subscription including updates.
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🔋 Requirements
• GPS required for live navigation
• Internet required for live AIS
• WiFi-only devices require external GPS
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⚠ Important
Continued GPS use in background may reduce battery life.
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📜 Legal
Contains material derived from UK Hydrographic Office data.
© British Crown Copyright.
Full Terms of Use:
http://seanav.net/termsofuse.php
Privacy Policy:
http://seanav.net/privacy.php
Support: help@pocketmariner.com