Opcina Sali, Croatia offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Opcina Sali, Zadar, Croatia, is known for the Kornati National Park and Telascica Nature Park. The best time to travel to Opcina Sali, Croatia, is from June to September, with average air temperatures around 75°F (24°C) and water temperatures about 73°F (23°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!