Port Fourchon, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Port Fourchon, Louisiana, United States, is known for its proximity to the Gulf of Mexico and its role as a major hub for offshore oil and gas industry operations. The best time to travel to Port Fourchon, United States, is from March to May, with average air temperatures ranging from 65°F to 80°F and water temperatures around 70°F to 75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!