The yellow warning for Castelo Branco and Guarda due to snowfall above 1,100/1,300 metres will be in effect between 21:00 today and 06:00 on Saturday.
The Portuguese Institute of the Sea and the Atmosphere (IPMA) has also placed the districts of Viana do Castelo, Braga, Porto, Aveiro, Coimbra, Leiria, Lisbon, Setúbal, Beja and Faro under a yellow warning because of the maritime agitation, with waves from the northwest up to 4 metres, from 06:00 on Friday and until Saturday.