Tide Chart USA is an iPhone application that displays tidal information. Developed by Yasunori Kuroki, this app is designed for fishing enthusiasts who need to know the tide levels for their fishing trips. The app is not intended for commercial purposes or navigation, and it comes with no warranty of any kind.

The app provides users with an easy-to-use interface that displays the tidal information for various locations in the USA. Users can search for a specific location or use their current location to get the tidal information. The app also provides information on the sunrise, sunset, and moon phases for the selected location. With a simple and intuitive design, this app is perfect for anyone who wants to stay informed about the tides while fishing.