According to the IPMA, the yellow warning will be in effect until 6pm on Sunday for most of these 17 districts.
Bragança, Viseu, Évora, Porto, Guarda, Faro, Vila Real, Setúbal, Viana do Castelo, Lisbon, Leiria, Beja, Castelo Branco, Aveiro, Coimbra, Portalegre and Braga will be under yellow warning for precipitation and also, from this afternoon, due to rough seas.
On Sunday, the IPMA placed five districts under orange warning due to the sea waves between 00:00 on Saturday and 09:00 on Sunday.
Coimbra, Porto, Aveiro, Braça and Viana do Castelo are the districts with orange alert, which indicates a moderate risk weather situation.
Flood warnings issued
Due to bad weather, the National Emergency and Civil Protection Authority (ANEPC) warned the population on Friday of "adverse weather situations" in the coming days, with heavy showers, which could cause floods, moderate to strong winds and high sea waves.
Based on information provided by the Portuguese Institute for the Sea and the Atmosphere (IPMA), Civil Protection warns of "strong and persistent rainfall, especially in Alto Alentejo and Minho", a situation that will continue today, accompanied by thunderstorms and with the possibility of urban floods.