Sea Chart

Offline nautical navigation app for Android. Download chart data for your region and navigate safely — even without internet at sea.

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Nautical Chart View

30+ Regions Available

Settings & Cloud Sync

Detailed nautical charts for 30+ countries. Download once, use anywhere — no internet needed at sea.

Set anchor position and radius. Get vibration and notification alerts if your vessel drifts beyond range.

Real-time position and speed display. Switch between Knots and km/h to suit your preference.

Tap any seamark to identify buoys, lighthouses, anchorages, fairways, restricted areas, and more.

Tap multiple waypoints on the chart to measure route distances for voyage planning.

Save favourite anchorages, berths, and points of interest locally or sync via Google account.

Available in English, Chinese, Japanese, Korean, French, Spanish, Arabic, and many more.

Find nearby harbours, marinas, fuel stations, restaurants, hospitals, and other facilities.

Nautical charts covering 30+ countries and regions worldwide

New Zealand Australia Japan South Korea China Philippines Thailand Indonesia Malaysia Singapore Vietnam India Sri Lanka Myanmar

United Kingdom Norway France Spain Italy Greece Croatia Turkey

UAE & Persian Gulf Saudi Arabia Oman

USA East Coast USA West Coast Canada Panama Brazil South Africa Egypt

Real-time marine weather forecasts including wind, wave height, and precipitation.

Set a destination and get automatic route planning with turn-by-turn guidance.

Add custom markers with notes on the map and share with other users.

Download Sea Chart and navigate safer voyages — completely offline.