When do neap tides occur?

Answer

Neap tides occur during a quarter moons. They usually occur twice a month during the first and last quarter moons because the Moon and the Sun are at 90 degree angles to each other, and the gravitational pull of the Sun partly cancels the gravitational pull of the Moon. A neap tide is a relatively low high tide or a generally low tidal range between low and high tides and is caused by an interaction of factors.
Q&A Related to "When do neap tides occur?"
Neap tides are especially weak tides. They occur when the gravitational forces of the Moon and the Sun are perpendicular to one another (with respect to the Earth). Neap tides occur
http://wiki.answers.com/Q/How+neap+tide+occurs
Neap tides are weak tides that occur when gravitational forces of Moon
http://www.chacha.com/question/what-is-a-neap-tide...
1 November 2000 (Canada)
http://www.imdb.com/title/tt0431937
The calculation of the tide is the sum of many coefficients; sometimes up to 40. But the two most influential are the relative position of the moon and the sun; the former accounting
http://answers.yahoo.com/question/index?qid=200810...
1 Additional Answer
Neap tides happen when the moon is in the first or third quarter. This is because the Moon and the Sun are at 90 degree angles to each other, and the gravitational pull of the Sun partly cancels the gravitational pull of the Moon.
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