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Flashcards in Tides Deck (7)
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1

Define HAT

Highest level which can be predicted to occur under average meteorological conditions and and combination of astronomical conditions

2

Define LAT

Lowest level which can be predicted to occur under average meteorological conditions and and combination of astronomical conditions

3

Define MHWS

The average height of two successive high waters during every those periods of 24 hours when the range of tide is greatest

4

Define MLWS

The average height of two successive low waters during every those periods of 24 hours when the range of tide is greatest

5

Define MHWN

The average height of two successive high waters during every those periods of 24 hours when the range of tide is least

6

Define MLWN

The average height of two successive low waters during every those periods of 24 hours when the range of tide is least

7

Define chart datum

A level so low that the tide will not frequently fall below it. It is the zero of tidal predications