Marina Exam Reviewer: The datum from which the predicted heights of tides are reckoned in the tide tables is ____.

Marina Exam Reviewer

The datum from which the predicted heights of tides are reckoned in the tide tables is ____. 

A. the same as that used for the charts of the locality 
B. the highest possible level 
C. given in table three of the tide tables 
D. mean low water 


Answer:  A. the same as that used for the charts of the locality