Morguilla, Chile offers 1 beach perfect for sunbathing, surfing, swimming, and more. Morguilla, Bio Bio, Chile, is known for its proximity to the scenic Lanalhue Lake and the Nahuelbuta National Park. The best time to travel to Morguilla, Chile, is during the summer months of December to February, when the average air temperature is around 70°F (21°C) and the water temperature is approximately 64°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!