Highest astronomical tide
From Coastal Wiki
Definition of Highest astronomical tide (HAT):
The highest level which can be predicted to occur under average meteorological conditions.[1].
This is the common definition for Highest astronomical tide (HAT), other definitions can be discussed in the article
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Notes
HAT is not the most extreme level that can be reached by the tide, as storm surges may cause considerably higher levels to occur.
References
- ↑ CIRIA (1996). Beach management manual. CIRIA Report 153.