As of today, peak season now, through ~September 15. Earth Exhibit tracks the live conditions and flags it the moment it is on.
Seasonal aggregations of sardines (small pelagic fish) form tight baitballs that trigger coordinated feeding by dolphins, tuna, and seabirds off the southern Portuguese coast.
These events are predictable within a multi-month season, but exact timing and intensity vary with sea temperature, plankton blooms, and local upwelling.
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 |
|---|
| Lagos Marina / Ponta da Piedade Offshore |
| Sagres / Cabo de São Vicente Offshore |
| + 2 more spots, 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.