Tommy Allsup performs during Friday evening's sock hop at the Surf Ballroom at Clear Lake. (Globe Gazette photo by Matt Foy) Dion DiMucci, whose claim of a coin toss with the late Ritchie Valens has fueled anger in some rock and roll corners.
In Maine (U.S.) low tide occurs roughly at moonrise and high tide with a high moon, corresponding to the simple gravity model of two tidal bulges; at most places however, moon and tides have a phase shift. mixed tide; two uneven tides a day, or one high and one low, is also possible. Tides vary on timescales ranging from hours to years due to a number of factors. To make accurate records, tide gauges at fixed stations measure the water level over time.
1 The tide which occurs just after the first and third quarters of the moon, when there is least difference between high tide and low tide. 2  Spring tides occur when the Sun and Moon line up, since the gravities of the two bodies add together to create larger tidal forces.