OpenSeaMap App contains information on oceans, rivers, and topography. OpenSeaMap provides access to a wealth of information for skippers of sailing and motor boats and much more.

App Features:
Shows your current location on the map (turn on GPS)
Displays worldwide sea chart
Search for geolocations
Chart plotting with continuous tracking
Settings (units/Compass/Map related functions)
Create, edit & deleted waypoints
Zoom in/out
Weather (Current conditions)
Measure (Area/Length)
Favorites (add/Delete)
GPS Info (Lat/Lon Speed..)
Camera (Photo/video)

OpenSeaMap is part of OpenStreetMap.
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Simple graphic & Easy to use
Developed with latest technology
Supports all devices
All updates are free

Disclaimer:
Users need Proper Network connections or Wi-Fi to play this app.
Continuous use of GPS running in the background can reduce battery life.