Saint Quen, Jersey offers 1 beach perfect for sunbathing, surfing, swimming, and more. Saint Quen, Western, Jersey, is known for the Saint Ouen's Bay, a popular destination for surfing and beach activities. The best time to travel to Saint Ouen, Jersey, is from June to September, with average air temperatures around 15-20°C (59-68°F) and water temperatures around 15-18°C (59-64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!