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2021-07-04

What factors cause ocean tides?

What factors cause ocean tides?

TIDES WHAT CAUSES THE TIDES? Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational interaction between the Earth and the Moon. The gravitational attraction of the moon causes the oceans to bulge out in the direction of the moon.

What has the strongest influence on the tides and why?

The ocean tides on earth are caused by both the moon’s gravity and the sun’s gravity. Even though the sun is much more massive and therefore has stronger overall gravity than the moon, the moon is closer to the earth so that its gravitational gradient is stronger than that of the sun.

How do tides happen?

Tides are very long waves that move across the oceans. They are caused by the gravitational forces exerted on the earth by the moon, and to a lesser extent, the sun. Because the gravitational pull of the moon is weaker on the far side of the Earth, inertia wins, the ocean bulges out and high tide occurs.

What are the causes of Tides?

Gravity is one major force that creates tides. In 1687, Sir Isaac Newton explained that ocean tides result from the gravitational attraction of the sun and moon on the oceans of the earth (Sumich, J.L., 1996).

How tides are predicted?

So the most important factors in predicting the tides are the positions of the Sun and Moon — their distance from Earth, their direction in space, and how they’re moving. They use models of the different factors that influence the tides to predict the times and levels of high and low tides.

Is it safe to swim in high tide or low tide?

For swimmers, the water is safest during a slack tide, during which the water moves very little. A slack tide happens in the hour preceding or following a high or low tide. Swimmers will also enjoy waves with shorter intervals, which are calmer and less dangerous.

Are waves bigger at high tide or low tide?

Re: Are the waves different when the tide is coming in and o For my local inparticular, it depends on the swell size and then that will determine whether I will go out in high or low tide. High tide tends to have slightly fatter waves and less steep take offs and often a longer ride.