Minnamurra Beach is unpatrolled, so swimmers should exercise caution and assess conditions before entering the water. The river mouth creates variable currents that can be unpredictable, especially after rain when river flow increases. Families often prefer the calmer river sections for paddling with young children. Strong ocean swimmers may enjoy the surf breaks, but be aware of rips near the river entrance. Always swim between the flags when lifeguards are present during peak holiday periods, check local surf reports, and never swim alone or during rough conditions.

Minnamurra Beach is enjoyable year-round, with each season offering different experiences. Summer (December-February) brings warm weather ideal for swimming, though it's busiest during school holidays. Autumn and spring offer pleasant temperatures, fewer crowds, and excellent conditions for walking and photography. Winter (June-August) is quieter, with occasional whale sightings offshore and dramatic weather creating spectacular scenery. Early mornings provide the calmest conditions and best light for photographers. The beach's sheltered position makes it relatively pleasant even on windy days when other Kiama beaches are exposed.