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Mid Term Shoaling Rates <br /> _~ - <br /> ~. <br />~.. <br /> ~~. <br />. <br />r ~ <br />~..;, <br /> ~tObFATT S FICttM. <br />ryn r:ru...~u~wtio~+.w~war•.~.mu-xaa; s•., ~,.,F ~,,...~„srn, <br />San Leandro Tides <br />^ At San Leandro Marina the extreme tide variation is <br />approximately 11' from + g.0' to - 2.0' (mean lower <br />low water) <br />^ Tides are predominantly generated by the effects of <br />the moon and the sun <br />^ The highest and lowest tides (Spring Tides) occur <br />consecutively and usually twice each month at full <br />- and new moon phases <br />r At other moon phases (Neap Tides) occur having <br />lesser height variation <br />Boat Draft <br />-. <br />•Drail - a measure of the boat's depth below the water surface <br />•For boats using the San Leandro launch ramp <br />o Power boat hulls typically do not exceed 3.3' <br />o Sail boats keels typically do not exceed 5' <br />o Harbor berthed boats have drafts up to 7 feet <br />• Some boats have removable dagger boards or props eic. to <br />temporarily reduce their overall draft <br />2 <br />