Praia de Aruana offers good swimming conditions, though waves can be moderate to strong, attracting surfers. Swimmers should be confident in the water and aware of currents. The turquoise waters provide snorkeling opportunities, though visibility varies with weather and tides. Lifeguards are typically present during peak hours and seasons. Snorkelers should stay close to shore and avoid areas with active surfing. Check daily conditions with locals or lifeguards. The beach is generally safe but requires more caution than calmer family beaches. Never swim alone or during rough weather.

The best surfing conditions at Praia de Aruana typically occur from April to September when swells are more consistent and waves are larger. The winter months (June-August) often produce the most reliable surf, though weather may be cooler with occasional rain. September to March brings smaller waves suitable for beginners and learners. Early mornings generally offer better conditions with cleaner waves and lighter winds. Check surf forecasts and local conditions as they vary daily. Peak weather season (September-March) combines decent waves with more comfortable air and water temperatures.