How much are wave height measurements affected by the tidal currents?

​Wave height can be significantly modulated by strong currents, affecting various maritime activities and coastal dynamics. In a recent study, we leveraged the drifting Spotter wave buoy SPOT-0616 passing near Cape Reinga, at the northern tip of New Zealand's North Island. The data, kindly provided by SOFAR enabled us to analyze the complex interactions between waves and tidal currents in an area where current speeds can reach up to 4 knots.
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