Question

The highest tides occur when

Answer 1

Happens when lunar perigee occurs.

Step-by-step explanation:

If the lunar perigee occurs when the Moon is between the Sun and the Earth, it produces unusually high Spring high tides. When it occurs on the opposite side from the Earth that where the Sun is located ( during full moon) it produces unusually low, Neap Tides.

Answer 2

There is a New Moon with the lunar perigee

Step-by-step explanation:

The highest tides occur when the Moon is between the Sun and the Earth (New Moon phase), it produces unusually high Spring high tides.