d="para0001">A Bayesian hierarchical framework is used to spatially model extreme sea states.
dd><dt class="label">•dt><dd>d="para0002">Bayesian inference results in much less uncertainty compared with maximum likelihood.
dd><dt class="label">•dt><dd>d="para0003">Significant wave height off the west of Ireland can reach 17.5 m with 100-year return period.
dd>dl>