The districts of Porto, Viana do Castelo, Lisbon, Leiria, Aveiro, Coimbra and Braga will be under yellow warning between 9pm today and 6pm on Friday due to the state of the sea.

According to IPMA, northwestern waves of 4 to 5 meters are forecast.

The yellow warning is issued by IPMA whenever there is a risk situation for certain activities depending on the weather situation.

IPMA predicts periods of very cloudy skies for today with the possibility of light precipitation, especially in Minho and Douro Litoral.