Stretching away to the south of the Tejo River is a 30 km strip of coast that is the most consistent zone for Lisbon's surfers. The northern section of this coast is built up and a number of jetties provide variety and stability to the sand bars. Look for the low tide lefts at Covo do Vapor and Rio plus the 7 jetties referred to as CDS. Further south, check Praia da Rainha for average, open beachbreak.
Polluted, crowded, rippy, locals at Vapor and parking charges apply.