Cap Ternay, Seychelles offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Cap Ternay, Port Glaud, Seychelles, is known for the Baie Ternay Marine National Park, a popular spot for snorkeling and diving. The best time to travel to Cap Ternay, Seychelles, is from May to October, with average air temperatures around 27°C (81°F) and water temperatures around 26°C (79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!