Acknowledgements

Data sources and open-source software

Data

• Charts, tides and currents: National Oceanic and Atmospheric Administration (NOAA), Office of Coast Survey and Center for Operational Oceanographic Products and Services. Public domain. Charts in Marine Maps are converted for display and are not official NOAA products; NOAA does not endorse Marine Maps.
• Weather and buoys: National Weather Service, NOAA nowCOAST and the National Data Buoy Center. Public domain.
• Marinas and places: © OpenStreetMap contributors, available under the Open Database License (ODbL).
• Base map: Apple Maps.

Open-source software

• GDAL (S-57 object and attribute catalogue). MIT License. © Frank Warmerdam, Even Rouault and others.
• ZIPFoundation. MIT License. © 2017-2025 Thomas Zoechling.

The full licence texts are included in the app under Settings → About → Acknowledgements.

Trademarks

Apple, iPhone, iPad, Apple Watch and Sign in with Apple are trademarks of Apple Inc. All other trademarks belong to their owners. Marine Maps is a product of Novadri LLC and is not affiliated with NOAA, the National Weather Service or the US Coast Guard.