Safety · Destination Guide
Kelp forests, penguins and two oceans at Africa's southern tip
Updated Nov 21, 2025 • 10 sources
Cape Town pairs serious cold-water diving with a big-city environment and occasionally harsh ocean conditions. Respecting local safety practices, planning conservatively around weather and swell, and following Marine Protected Area rules go a long way toward keeping both people and wildlife safe.
Use reputable, locally based operators for both shore and boat dives; they understand the interplay between wind, swell and tide on each coast. Cold water, surge and kelp require solid buoyancy and trim, plus good communication with your buddy and skipper. Carry an SMB and know how to deploy it, especially on Atlantic boat dives. Choose exposure protection appropriate for multiple dives in 10°C to 16°C water and plan shorter, shallower profiles on your first days while you acclimatize. Adhere strictly to dive briefings, especially around seals and potential shark habitats.
Cape Town has several private and public hospitals with emergency departments, plus access to hyperbaric services through facilities such as Tokai Medicross and the DAN Southern Africa referral network. In a serious emergency, you can dial 112 from any cell phone in South Africa for national emergency services, or 10177 for ambulance dispatch. The National Sea Rescue Institute (NSRI) operates a dedicated emergency operations center at +27 87 094 9774 for maritime incidents.
Divers should carry DAN or equivalent dive-specific insurance that covers chamber treatment and medical evacuation, and know which hospital their operator uses in case of decompression illness. If you plan significant road trips into rural areas, consider basic first aid training and a small kit.
Cold water and thermal stress
Even in high summer, Atlantic-side water can drop close to 10°C and False Bay often sits in the mid-teens. Hypothermia and after-drop are real risks during repetitive dives or long snorkel sessions. Use appropriate exposure protection, get properly warmed between dives and be honest about your comfort level.
Surge, swell and kelp entanglement
Most reef and kelp sites experience significant surge and surface chop, especially around Cape Point and on the Atlantic side. Long kelp stipes can snag on hoses and fin straps. Maintain good trim, keep hoses close to your body, carry a cutting device and avoid narrow overheads beyond your training.
Changeable Cape weather and big surf
Cold fronts and strong winds can arrive quickly, with steep temperature drops and rapidly rising swell. Only dive with operators who cancel when conditions are marginal and follow lifeguard and Shark Spotters advice when swimming or surfing. Have conservative backup plans and avoid rock fishing or cliff exploration in heavy swell.
Urban crime and vehicle break-ins
Cape Town has elevated rates of theft and violent crime, especially in certain neighborhoods and at isolated parking areas. Do not leave valuables visible in vehicles at dive entries or viewpoints, be cautious when withdrawing cash, and use reputable transport options at night. Local operators and accommodations can advise on current hotspots and safer routes.
Much of Cape Town's coastline falls under the Table Mountain National Park Marine Protected Area. Regulations prohibit the removal or disturbance of marine life, collection of shells and corals, and certain types of anchoring and fishing. A recreational scuba permit is required for diving in MPAs, and rangers may perform checks at harbors or on the water.
African penguins are endangered and highly sensitive to disturbance; at Boulders, stay on boardwalks unless entering designated swim areas, keep noise down and never attempt to touch or feed birds. Similar respect applies to seals, sharks and other wildlife: enjoy encounters on their terms, maintain generous distances and support operators that follow formal codes of conduct and avoid baiting.
Do Not Do This
Avoid entering when cold water and thermal stress. Confirm local briefings before committing.
| Contact | Role | Phone | Availability |
|---|---|---|---|
| National Sea Rescue Institute Emergency Operations Centre | Maritime and coastal emergencies | +27 87 094 9774 | 24/7 nationwide sea rescue hotline; you can also dial 112 from any cell phone for general emergencies. |
| National emergency number (cell phones) | Integrated police, ambulance and fire dispatch | 112 | 24/7 from any mobile network in South Africa; calls are routed to appropriate local services. |
| Ambulance and medical emergencies | Government ambulance services | 10177 | 24/7 within South Africa; connect to provincial ambulance services. |
| DAN Southern Africa Emergency Hotline | Dive medicine advice and coordination | +27 82 810 6010 | 24/7 dive emergency line for Southern Africa; call for suspected decompression illness or serious dive-related incidents. |