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Peru Issues Coastal Alert for Anomalous Waves Through July 27

Authorities say waves on open southwest-facing beaches could reach up to twice normal height, prompting suspension of port and fishing operations.

Overview

  • Dihidronav of the Peruvian Navy issued Aviso Especial No. 027 and Indeci immediately urged the public to avoid beaches and follow safety measures after the alert was published on July 23.
  • The forecast calls for the north and central coast to begin experiencing effects during the early hours of July 23 with intensity rising to moderate that night and easing to light after July 24, while the southern coast is expected to start in the early hours of July 24 and peak that night before decreasing on the morning of July 25.
  • Dihidronav’s classifications mean a moderate sea state can produce waves up to twice their normal height and a light state can raise sea height by as much as 50%, which raises real hazards for people and small boats near the shore.
  • Indeci and the Navy recommended suspending port, fishing, sporting and recreational maritime activities, securing or moving small craft ashore, and that regional governments and port captaincies strengthen prevention to reduce accidents and damage.
  • Authorities will monitor oceanographic and atmospheric conditions through July 27 and coordinate with regional and municipal officials, with likely short-term disruptions to local fishing schedules, port operations and coastal tourism where warnings are enforced.