If the lift goes through the splash zone, you check the "slam force" section. The PDF provides a formula for impact velocity and added mass. You realize your lift needs to be faster through the wave zone to avoid fatigue loading on the slings.
I’ll write a short story inspired by that filename (a technical-standard-style title). Here’s a compact, atmospheric piece: dnvgl-st-n001 pdf
DNV-ST-N001 (formerly DNVGL-ST-N001) is the global industry standard for the design and planning of marine operations If the lift goes through the splash zone,