Wainiha, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Zirje, Sibenik Knin, Croatia, is known for its historic fortresses and beautiful Adriatic Sea views. The best time to travel to Wainiha, United States, is from April to October, with average air temperatures around 75-85°F and water temperatures approximately 75-80°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!