Spring Tides

Neap Tides

(i) It is a tide with a range considerably increased from that of the mean tidal levels.

(ii) It occurs twice each month around the time of the new moon and full moon.

(iii) The high tides are somewhat lower than the average.

(iv) It is due to complementary gravitational effects caused when the earth, moon and sun are in a straight line.

(i) It is tide with a range considerably lower than that of the mean tidal level.

(ii) It occurs twice each month during Lunar quadrature.

(iii) The high tides are somewhat lower and low tides are somewhat higher than average.

(iv) Here tidal production forces do not supplement each other because the moon, the earth and the sun are at right angles. So the velocity of tidal currents slows down.