The tides of the Earth's bodies of water are caused by the gravitational force exerted by both the sun and the moon. The moon is the predominant factor in determining the Earth's tides, as its proximity to Earth exerts greater immediate gravitational shifts. The most drastic tides, called spring tides, occur when the Earth, moon, and sun are aligned. Therefore, during a solar eclipse, spring tides will occur.
The net gravitational force exerted on the Earth's water bodies results in a pull known as the tidal bulge, which always exists in two places. On the sphere of the Earth, water bulges outward at the point where it is closest to the moon, as well as the point furthest from the moon. The far bulge is due to the difference in inertia between the Earth and the water farther away from the moon.
Types of Tides
The two types of tides are spring tides and neap tides. Spring tides are the most drastic, while neap tides are comparatively small. Spring tides occur at new and full moons. During new and full moon, the Earth, moon, and sun form a straight line. The resultant gravitational force exerted on Earth's water is strongest at these moments. Neap tides occur during the quarter phases of the moon. During these phases, the sun and moon are at a right angle, with the Earth at the angle's vertex. During a neap tide, the sun's gravity lessens the overall effect of the moon on the water.
A Solar Eclipse
A solar eclipse happens when the moon passes directly in front of the sun for some observers on Earth. The moon is always in its new phase during a solar eclipse; no light from the sun shines on the face of the moon closest to Earth at this time. Therefore, during a solar eclipse, the Earth experiences spring tides.
High and Low Tides
Spring and neap tides refer to the relative magnitude of the tidal bulge. Because there are two places where the tide bulges and two corresponding points on the Earth where the water is lowered, we experience two high and low tides in the course of the moon's rotation around the Earth. During spring tide, the high tides are at their highest, and the low tides are at their lowest. Therefore, during a solar eclipse, if you are at a place on Earth that corresponds to a low point of the water, you will experience a low tide. The precise height of any tide also depends on the shape of the coastal basin and its corresponding landmass.