Tidal forces are the result of the gravitational pull exerted by celestial bodies, such as the Moon and the Sun, on other objects, including Earth. These forces cause the water in oceans to bulge, leading to the phenomenon of tides, which rise and fall in a regular cycle. The strength of tidal forces varies depending on the relative positions of these celestial bodies. For instance, during a full moon or new moon, the alignment of the Earth, Moon, and Sun results in higher high tides and lower low tides, known as spring tides. Conversely, during the first and third quarters of the moon, the tides are less pronounced, called neap tides.