Nishiizu, Japan offers 8 beaches perfect for sunbathing, surfing, swimming, and more. Nishiizu is known for Dogashima, a scenic coastal area with stunning rock formations and caves. The best time to travel to Nishiizu, 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!