Naruto, Japan offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Naruto is known for the Naruto Whirlpools in the Naruto Strait. The best time to travel to Naruto, Japan, is in April when the average air temperature is around 15°C (59°F) and the water temperature is approximately 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!