Omaezaki, Japan offers 8 beaches perfect for sunbathing, surfing, swimming, and more. Omaezaki is known for the Omaezaki Lighthouse and Omaezaki Long Beach. The best time to travel to Omaezaki, Japan, is from April to June, with average air temperatures around 15-22°C (59-72°F) and water temperatures around 16-20°C (61-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!