RTP reports IPMA has issued an orange warning for the north coast of Madeira and Porto Santo, forecasting waves of 5 to 5.5 metres and rough sea conditions. The Portuguese Institute for Sea and Atmosphere (Instituto Português do Mar e da Atmosfera or IPMA) warns mariners, coastal visitors and port operators to avoid exposed areas until conditions ease. Those planning sea travel or coastal activities should monitor local updates and follow authorities' safety advice.
Orange sea warning for Madeira and Porto Santo
Sunday, 18 January 2026AI summary
Context & Explainers
IPMA is the Portuguese Institute of the Sea and Atmosphere (Instituto Português do Mar e da Atmosfera), the national agency for weather, marine forecasts and climate monitoring. Residents should watch its forecasts and warnings during storms, heatwaves or cold snaps because IPMA issues official advisories used by services, transport operators and local authorities.
An orange warning from the Portuguese Institute for Sea and Atmosphere (Instituto Português do Mar e da Atmosfera) signals potentially dangerous weather or sea conditions that could cause significant damage or risk to life; it is one level below the highest red warning. For the coast, an orange alert (for example waves of 5–5.5 metres) means people should avoid sea activities, follow local authority advice and expect disruptions to maritime transport.
