Mornaguia, Tunisia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mornaguia, Nabeul, Tunisia, is known for its proximity to the scenic Cap Bon Peninsula and the historic Kerkouane archaeological site. The best time to travel to Mornaguia, Tunisia, is from April to June, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!