Lunar tide is a watch app which eastimate tide by calculating tidal force of sun and moon combined consider lunitidal interval。
The lunitidal interval is defined as the time interval between the transit of the Moon and the next high water or low water.
1. Before buy the app ,you should konw about lunitidal interval or had used watch which have tide feature such as CASIO .
2. Lunar tide can only be used to estimate the tides at places where the semidiurnal component of the tide is dominant.
3. Lunar tide is considered roughly and should not be used for navigation or any other critical purpose.