Tsunami is a Japanese restaurant and cocktail bar on Voltaire Road in Clapham, a long-standing SW4 fixture and the sister restaurant to Yama Momo in East Dulwich. It takes the same approach to fish, with a broader cocktail programme and later, louder evenings.
Open seven days a week, including the Mondays when Yama Momo is closed. Both kitchens buy fish from the same market, take sake from the same importer, and share chefs who rotate between the two rooms.