Figure 4

Correlation of winter-mean significant wave height and shoreline change against dominant winter climate indices. Spatial correlation of the winter-mean \(H_s\) and yearly shoreline change dS against (December to March) winter-averaged climate indices over 1984–2021: (a) SCAND; (b) EA; (c) NAO and (d) WEPA. In all panels, for clarity only the shoreline points with a statistically-significant correlation at a 80% confidence level have been plotted, while the grey dots on the wave field show statistically-significant correlations at the 95% confidence level.