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Overview
- The Navy's alert, which begins Sunday at 6 p.m. in Rio, warns of waves up to 3 meters through Tuesday afternoon.
- The notice also covers stretches between Santa Catarina and São Paulo with seas that may reach 3 meters.
- Forecasters link the rough surf to a cold front that builds long-period waves and strong rip currents.
- Rio's fire department deployed 176 responders in Copacabana with 20 lifeguard posts, seven rescue trucks, drones, boats, motorcycles, and doctors on jet skis.
- Officials urge people to skip swimming and water sports, keep off seaside overlooks, check the PAM and Boletim ao Mar apps for updates, and call 193 for emergencies.