As of today, out of season, returns ~October. Earth Exhibit tracks the live conditions and flags it the moment it is on.
Dense coastal blooms of bioluminescent dinoflagellates (commonly Noctiluca scintillans) that tint False Bay water brown or red by day and produce an electric-blue, wave-driven glow at night when the water is calm and disturbed.
Events are episodic and highly weather-dependent, often visible from shoreline beaches without a boat.
Where to see it
A taste of where to see it. The full map, exact coordinates and the best timing for each spot live in the app.
| Viewing spots |
|---|
| Muizenberg Main Beach (Surfer's Corner / Pavilion) |
| Kalk Bay Harbour / St James tidal pool promenade |
| + 1 more spot, with exact coordinates and timing, in the app → |
This is the short version
This page shows a taste. The app has the full list of where to see this, the exact timing, and live conditions for 1,000+ natural phenomena worldwide, so you know the moment one is genuinely worth the trip.