Embark – Nautical charts at Google Play market analyse

Great nautical charts and navigational tools on your phone, tablet and PC. That's Embark. – Great nautical charts, crafted from quality data provided by Official National Hydrographic Offices– Bring charts with you wherever you go, even when you are far at sea without an internet connection– Create your own chart: Save your favorite places, routes and log your trips– Instantly sync your chart and settings across all your devices– Delivered with tailored chart modes for dark nights and really bright sunlit days – See other Embark users at sea with the Embark Radar, and upgrade it with full AIS tracking if you want– Get a detailed an accurate Marine Weather Forecast with tide, wave and weather information.– Scientifically proven (or at least rumored) to make your boat trips simpler, more pleasant, and more fun
Embark is available for free for as long as you want, with upgradeable plans for offline charts and advanced navigational features.
Current chart coverage:
Free online maps (with paid offline maps): The U.S, New Zealand, Norway, UK, Netherlands, Belgium, Iceland, Croatia, Australia, Finland and Germany.
Paid-only maps: Sweden.