Fort, Jamaica offers 1 beach perfect for sunbathing, surfing, swimming, and more. Fort, Saint Thomas, Jamaica, is known for the historic Morant Point Lighthouse and the beautiful Lyssons Beach. The best time to travel to Fort, Jamaica, is from November to mid-December, with average air temperatures around 80°F (27°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!