We prove that in a regular wave train, which propagates at the surface of water in irrotational flow over a flat bed, the maximum and minimum of the dynamic pressure occur at the wave crest and at the wave trough, respectively. This result is valid without any restrictions on the wave amplitude.
Constantin, A. (2016). Extrema of the dynamic pressure in an irrotational regular wave train. Physics of Fluids, 28(11). https://doi.org/10.1063/1.4967362