Marafala, Indonesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Marafala is known for its proximity to Lake Toba, a popular tourist destination in North Sumatra, Indonesia. The best time to travel to Marafala, Indonesia, is from May to September, with average air temperatures around 82°F (28°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!