Tides Flashcards
Define HAT
Highest level which can be predicted to occur under average meteorological conditions and and combination of astronomical conditions
Define LAT
Lowest level which can be predicted to occur under average meteorological conditions and and combination of astronomical conditions
Define MHWS
The average height of two successive high waters during every those periods of 24 hours when the range of tide is greatest
Define MLWS
The average height of two successive low waters during every those periods of 24 hours when the range of tide is greatest
Define MHWN
The average height of two successive high waters during every those periods of 24 hours when the range of tide is least
Define MLWN
The average height of two successive low waters during every those periods of 24 hours when the range of tide is least
Define chart datum
A level so low that the tide will not frequently fall below it. It is the zero of tidal predications