This photo was taken on the inner-coastal waterway in Awendaw, South Carolina. In the picture it is high tide so the earth must be aligned with the sun while the moon is perpendicular to the earth, this is called a spring tide. If there were a low tide then it would be at a neap tide. High to low tides occur around every 6 hours and a high to high or a low to low tide would occur around every 12 hours. This means that there are 4 tides a day.
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