Tide app analytics for December 9

Times, heights and tidal coefficients over 150 French ports and a few ports in Britain. Application made from the harmonic constants provided by Previ Mer. It is completely autonomous: the internet connection is only used for updates and for displaying maps. No advertising. No use of geolocation data outside the application and only to locate the nearest port. All displayed local time, are in the summer and winter hours. The menu is used to calculate the tides and to give specifics on a day or month to choose from. Choose your own threshold (minimum height for sailing or fishing for maximum distance). List the tides in a selected period and possibly store schedules low tides in your diary Enter a head of water and set schedules for which it will be reached or for such time before any water depth. You can edit tables and marigrams with your printer Ask possibly other ports. Thank you to share your comments to further improve the application.