Port Kennedy, Australia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Port Kennedy is known for its proximity to the stunning Shoalwater Islands Marine Park and the beautiful beaches of Warnbro Sound. The best time to travel to Port Kennedy, Australia, is from November to March, with average air temperatures around 25-30°C (77-86°F) and water temperatures around 20-23°C (68-73°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!