The Gold Coast is home to Australia’s largest professional surf lifesaving service, ensuring the safety of beachgoers across its 70 kilometres of coastline. Lifeguards actively patrol beaches, providing immediate assistance to swimmers, and enforcing safety measures when required. Complementing this, the Queensland Department of Primary Industries operates the Queensland Shark Control Program (SCP), which uses nets and baited drumlines at major swimming beaches to reduce the risk of shark encounters. Despite these precautions, sharks are still occasionally sighted near patrolled beaches, and lifeguards promptly clear the water when potential risks arise, prioritizing public safety.

Beach erosion has been a longstanding challenge for the Gold Coast. A series of 11 cyclones in 1967 removed significant amounts of sand, prompting the Queensland Government to seek advice from Delft University in the Netherlands. The resulting Delft Report of 1971 recommended extensive measures including the construction of the Gold Coast Seaway, the Narrow Neck works under the Northern Gold Coast Beach Protection Strategy, and sand bypassing at the Tweed River. By 2005, many of these recommendations had been implemented, although some projects, like the Palm Beach Protection Strategy, faced opposition from local communities. The Gold Coast Council continues to update beach management practices through initiatives such as the Gold Coast Shoreline Management Plan, with contributions from the Environmental Protection Agency and the Griffith Centre for Coastal Management. Additionally, the city invests in the Gold Coast Oceanway, supporting sustainable transport along the coastline.

The region experiences a humid subtropical climate, with mild to warm winters and hot, humid summers. Summer brings substantial precipitation, often in the form of thunderstorms and prolonged heavy showers, while winter offers pleasant, mostly dry weather that has made the city internationally recognized as a prime destination for winter escapes. Recorded extreme temperatures at the Gold Coast Seaway range from a low of 2.5 °C to a high of 40.5 °C, although temperatures typically remain between 5 °C in winter and 35 °C in summer. The sea temperature at Surfers Paradise varies seasonally, averaging 21.5 °C in the winter months of July and August, rising to 27.1 °C in February, providing ideal conditions for year-round beach and water activities.