Twin Waters, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Twin Waters, Queensland, Australia, is known for its luxurious resorts and pristine beaches. The best time to travel to Twin Waters, Australia, is from September to November, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!