Definition(s)


HAT

Level of high tide when all harmonic components causing the tides are in phase

NOTE The harmonic components are in phase approximately once every 19 years, but these conditions are approached several times each year.

Source: API RP 2MET, Derivation of Metocean Design and Operating Conditions, First Edition, November 2014. Global Standards

HAT

Highest astronomical tide.

Source: API RP 2MET, Derivation of Metocean Design and Operating Conditions, First Edition, November 2014. Global Standards

Source: Offshore Standard DNV-OS-C101, Design of Offshore Steel Structures, General (LRFD Method, Det Norske Veritas, April 2011. Global Standards

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