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A spring tide—popularly known as a "King Tide"—refers to the 'springing forth' of the tide during new and full moon. A neap tide—seven days after a spring tide—refers to a period of moderate tides when the sun and moon are at right angles to each other.
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What is a spring tide? The spring tide is where the sun and the moon align to create the greatest gravitational pull on the sea. This is because both the sun and the moon have combined greater gravitational force which pulls the sea towards them.
Spring tides bring very high tides and equally extreme low tides, a situation ensuing from the synergistic gravitational pull the moon and sun exert on Earth. During full moon cycles, the Earth, moon, and sun form a straight line, a celestial event that precipitates spring tide conditions.
Spring tides always happen when the Moon is at the full or new phase, which is when the Sun, Moon and Earth are in alignment. Neap tides occur around the first and last quarter phase of the Moon, when the Moon’s orbit around Earth brings it perpendicular to the Sun.
19 Οκτ 2023 · When the sun, moon and Earth are all lined up, the sun’s tidal force works with the moon’s tidal force. The combined pull can cause the highest and lowest tides, called spring tides. Spring tides happen whenever there is a new moon or a full moon and have nothing to do with the season of spring.
28 Σεπ 2024 · Spring tide, tide of maximal range, near the time of new and full moon when the Sun and Moon are in syzygy—i.e., aligned with the Earth. Conjunction is the time during new moon when the Sun and Moon lie on the same side of the Earth. The other syzygy condition, opposition, occurs during full moon.
11 Σεπ 2024 · When the earth, moon, and Sun line up—which happens at times of full moon or new moon—the lunar and solar tides reinforce each other, leading to more extreme tides, called spring tides. When lunar and solar tides act against each other, the result is unusually small tides, called neap tides.