The Portuguese Institute for Sea and Atmosphere (Instituto Português do Mar e da Atmosfera or IPMA) has forecast heavy showers and thunderstorms for the coast and the North and Centre regions starting Sunday. A low-pressure system arriving from the Azores will bring strong winds and rough seas, marking a shift from the current dry weather.
Rain and thunderstorms forecast for Sunday
Friday, 21 August 2026AI summary
Context & Explainers
A red warning is the highest alert level issued by Portugal's weather agency, the Portuguese Institute for the Sea and the Atmosphere (Instituto Português do Mar e da Atmosfera or IPMA), used when conditions pose a very high risk to life and property. Under a red warning authorities may close roads, suspend transport and advise people to avoid coastal and flood‑prone areas, so follow civil protection instructions during the Friday–Saturday storm period.
