As of today, past peak, season runs to ~October 31. Earth Exhibit tracks the live conditions and flags it the moment it is on.
The pororoca is a powerful tidal bore that forms where the Atlantic tide meets the Amazon River and its estuaries.
Periodic spring tides produce a fast, breaking surge that can run tens of kilometers upriver, attracting local spectators and experienced surfers while creating hazardous currents and shifting channels.
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 |
|---|
| Soure beach viewing and boat access (Marajó Island) |
| Salvaterra riverbank and Joanes channel (Marajó Island) |
| + 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.