Seamus Heaney’s comment on a poem by Sylvia Plath conveys something of the shore-scouring slaps and soughs of it:
And it is indeed a pleasure to savour the dull sea-clap music of a poem like ‘Mussel Hunter at Rock Harbour’.
Wishing you some sea-clap music.
See also a thoughtful response by him to the same poem. The poem can be read here.
Source: Seamus Heaney, Finders Keepers: Selected prose 1971-2001 (London: Faber and Faber, 2003), p. 221