🌊Demo :

Dynamic hours/tides display for "Lacanau-Océan".

📍Data settings :

1. Find the date and time of the closest new moon to earth during the year on http://www.fourmilab.ch/earthview/pacalc.html or http://www.astrosurf.com/grandourse/phaselun.pdf

=> 30/08/2019 10:38 TU

2. For a given spot, take the date and time of the next high tide on https://marine.meteoconsult.fr/meteo-marine/horaires-maree-lacanau-1051-4.php

=> 30/08/2019 15:55 TU for "Lacanau-Océan".

Tide graph images pattern :