Waves hit sea wall at Dunedin's Esplanade drenching visitors 28 Apr, 2021 02:25 AM Quick Read MetService said the period between the waves is shorter, so this, along with the high waves should put on a good show at the Esplanade again this afternoon. Video / ODT MetService said the period between the waves is shorter, so this, along with the high waves should put on a good show at the Esplanade again this afternoon. Video / ODT Otago Daily Times Visitors to the Esplanade were caught in the spray of waves crashing into the sea wall at high tide at St Clair Beach on Monday.