渚 - nagisa: water’s edge/shore/beach
砂浜 - sunahama: sandy beach
海水浴場 - kaisuiyokujou: swimming area
浜風 - hamakaze: sea breeze, beach wind
浜焼き - hamayaki: freshly caught seafood broiled at a beach
海の家 - uminoie: beach hut, beachside clubhouse
ビーチタオル - bi-chi・taoru: beach towel
サマー・ベッド - sama-・beddo: beach chair or lounger
海水浴 - kaisuiyoku: swimming in the ocean, sea bathing, seawater bath, going for a dip in the ocean
水着 - mizugi: bathing suit, swimsuit, swimmers
海水着 - kaisuigi: swim suit
海水パンツ - kaisuipantsu: men’s swim suit
天気 - tenki: fair weather, fine weather
暑気 - shoki: hot weather, sunstroke, heatstroke
日本晴れ - nihonbare: beautiful weather, clear and cloudless sky, clear Japanese weather
日焼け - hiyake: sunburn, suntan, tan
日焼け止め - hiyakedome: sunscreen, suntan lotion, sunblock
夏日 - natsubi: hot summer day or a day at least 25˚ C
夏ばて - natsubate: suffering from summer heat, summer heat fatigue
土用波 - doyounami: high waves which rise during the dog days of summer
波音 - namioto: sound of waves
飲み物 - nomimono: drink, beverage
潮風 - shiokaze: salty sea breeze, salt wind
潮溜まり - shiodamari: tide pool, rocky place where sea water remains after the tide draws out