%0 journal article %@ 1812-0784 %A Lewis, H., Castillo Sanchez, J., Siddorn, J., King, R., Tonani, M., Saulter, A., Sykes, P., Pequignet, A., Weedon, G., Palmer, T., Staneva, J., Bricheno, L. %D 2019 %J Ocean Science %N 3 %P 669-690 %R doi:10.5194/os-15-669-2019 %T Can wave coupling improve operational regional ocean forecasts for the north-west European Shelf? %U https://doi.org/10.5194/os-15-669-2019 3 %X Summary forecast metrics demonstrate that the ocean–wave coupled system is a viable evolution for future operational implementation. When results are considered in more depth, wave coupling was found to result in an annual cycle of relatively warmer winter and cooler summer sea surface temperatures for seasonally stratified regions of the NWS. This is driven by enhanced mixing due to waves, and a deepening of the ocean mixed layer during summer. The impact of wave coupling is shown to be reduced within the mixed layer with assimilation of ocean observations. Evaluation of salinity and ocean currents against profile measurements in the German Bight demonstrates improved simulation with wave coupling relative to control simulations. Further, evidence is provided of improvement to simulation of extremes of sea surface height anomalies relative to coastal tide gauges.