Two dolphins leap through a breaking wave off South Africa's Wild Coast during the sardine run.

Africa · South Africa

Wild Coast Sardine Run

Bronze whalers and common dolphins tear through sardine baitballs in open water.

Photo: Stanislav Stelmakhovich · CC0

Each austral winter, vast shoals of sardines migrate north along South Africa's Wild Coast, drawing common dolphins, Bryde's whales, bronze whaler sharks, and diving Cape gannets into a frenzy of baitball predation. Divers snorkel or scuba from small boats that chase the action across open water between Port St Johns and Mboyti, with no fixed reef — every day is a hunt for the shoal itself, and encounters range from spectacular to a no-show.

About diving in Wild Coast Sardine Run

Days here are long and mostly spent looking. Boats leave at first light, push out through the surf or the river-mouth bar, then run the coastline for hours while the crew reads the surface: circling gannets, a slick of scales and oil, dolphins moving with purpose. Skippers trade positions over the radio and some operators keep a spotter aircraft up. When something is found the call comes fast, and everyone is expected to be kitted, sitting on the tube and over the side within seconds of the engines cutting.

Once you are in the water there is nothing to navigate by. The continental shelf runs close in along this coast, so deep water sits a short distance off the beach, and the shoals push north inside a narrow band of cool water. Dives are shallow, rarely past 20 m, short and improvised, because you go where the fish are going rather than to a briefed plan, and the water shifts hour to hour from green and grainy to open blue.

The set piece is a baitball, sardines packed into a turning sphere that gets whittled from every side at once. Most of it is watched on a breath-hold: bubbles and a slow descent cost you the action, so snorkellers often see more than divers, and scuba is saved for slower encounters. Sound carries much of it, and Cape gannets folding up and hitting the water at speed are audible well before anything comes into view.

It suits people who can spend a week on the water and accept coming home empty on several of those days. Fitness counts for more than logged dives: repeated entries from a moving boat, water in the high teens and hours of open swell wear down anyone prone to seasickness. Photographers should arrive rigged for wide angle. If you want a briefed reef and a guaranteed species list, this is the wrong trip; if you want to watch the ocean feed, book a block of days and stay flexible.

When to dive Wild Coast Sardine Run

Month-by-month season rating for Wild Coast Sardine Run
JanFebMarAprMayJunJulAugSepOctNovDec
Off-seasonOff-seasonOff-seasonOff-seasonGoodPrimePrimeFairOff-seasonOff-seasonOff-seasonOff-season

Peak sardine migration runs June-July; some years the shoal is thin or absent, an inherent unpredictability of this wild event.

Getting there

Trips are sold as week-long packages based in or around Port St Johns. Mthatha has the nearest airport and the rest is road; from Durban or East London it is a long drive. Boats relocate down to Coffee Bay or up to Mboyti when the shoal does, which is why you buy days rather than dives. Beds and boat seats are limited, so book well ahead.

Wildlife calendar

The commercial season runs from mid-May to mid-July, with June and July the weeks worth planning around; by August the shoals have usually passed north or broken up. Common dolphins do most of the herding, with bronze whalers, Bryde's whales and plunge-diving Cape gannets on the baitballs. Humpbacks pass northbound through midwinter, and blank days still turn up travelling dolphin pods.

Dive types & marine life

  • Pelagic & blue water
  • Drift
  • Sardine baitballs
  • Dolphins
  • Whales

Notable dive sites in Wild Coast Sardine Run

  • Port St Johns

    Main launch hub and headquarters for most sardine run boat operators.

  • Mboyti

    Northern launch point known for reliable baitball action along the Wild Coast.

  • Coffee Bay

    Southern launch area used when the shoal tracks further down the coast.

Photos from Wild Coast Sardine Run

  • Stanislav Stelmakhovich · CC0

  • Thomas Fuhrmann · CC BY-SA 4.0

Dive videos

Sardine Run South Africa - Wildcoast, Baitballs, Diving Birds, Whales, Sharks · Behind the Mask on YouTube

Photo credits

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