Kamisu, Japan offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Kamisu is known for its Kamisu Seaside Park and the Kashima Coastal Industrial Zone. The best time to travel to Kamisu, Japan, is in late spring (May), when the average air temperature is around 18°C (64°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!