Astronomical Events ~ Full Moon and Sunset
Google says."The gravitational pull of the moon, especially during a full moon, causes higher than average high tides and lower than average low tides, known as spring tides. This is because the sun and moon align during a full moon, and their gravitational forces combine to amplify the tidal effect on Earth."
To learn a lot more about tides and the moon check out: https://www.earth.com/earthpedia-articles/what-are...