Tapian Nauli I, Indonesia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Tapian Nauli I is known for its proximity to Lake Toba, a popular tourist destination in North Sumatra, Indonesia. The best time to travel to Tapian Nauli I, Indonesia, is from May to September, with average air temperatures around 27°C (81°F) and water temperatures near 29°C (84°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!