The magnitude of daily high and low tides is affected by the relative position of the sun and the moon--highest and lowest tides usually occur during full or new moons.
(The magnitude of daily high and low tides; is affected; by the relative position of the sun and the moon) (lowest tides; occur; T:during full or new moons; T:usually)
The magnitude of daily high and low tides lowest tides
is affected occur
by the relative position of the sun and the moon
T:during full or new moons T:usually