Yes, it is generally safe to swim at Port Elizabeth beaches. However, as with any beach, it is important to pay attention to warning signs and follow lifeguard instructions. Swimmers should also be aware of the danger of rip currents and how to swim out of them or get help if necessary. It is advisable to swim in designated areas and avoid swimming alone. Overall, Port Elizabeth is known for its beautiful beaches and water activities, and with proper precautions, visitors can enjoy them safely.