Tumbu, Indonesia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Tumbu, West Sulawesi, Indonesia, is known for its proximity to the stunning Tanjung Bira Beach and the traditional boat-building village of Tanah Beru. The best time to travel to Tumbu, Indonesia, is from May to September, with average air temperatures around 27°C (81°F) and water temperatures near 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!