https://oceantide.io 2026-02-18 https://oceantide.io/about/accuracy 2023-06-14 https://oceantide.io/about/chart 2026-01-26 https://oceantide.io/about/history 2026-05-28 https://oceantide.io/about/predictions 2023-10-12 https://oceantide.io/about/privacy 2026-01-19 https://oceantide.io/about/terms 2023-07-19 https://oceantide.io/about/tides 2026-02-18 https://oceantide.io/thumb/illustrated.png Tidal Force The sun and moon create a tidal force on earth, a residual of the total gravitational force https://oceantide.io/video/force-2611h.mp4 no https://oceantide.io/thumb/illustrated.png Moon and sun The moon and sun each contribute part of the total tidal force https://oceantide.io/video/fraction-2609h.mp4 no https://oceantide.io/thumb/illustrated.png Earth in Orbit The earth orbits the sun, and the moon orbits the earth https://oceantide.io/video/gravity-2703h.mp4 no https://oceantide.io/thumb/illustrated.png The Moon The earth and moon orbit the barycentre https://oceantide.io/video/moon-2701h.mp4 no https://oceantide.io/thumb/illustrated.png The Sun The sun is pulled by the planets, and the earth is pulled by the moon https://oceantide.io/video/sun-2609h.mp4 no