S. Lourenço

18.3°C Water temp · Sep 9

Portugal Coastal 1 - Excellent 18.3°C

Satellite image of S. LOURENÇO — Satellite image © Esri

São Lourenço is a long sandy beach of great natural beauty, situated between cliffs with coarse sand. The beach has good support infrastructure for bathing.

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Water

Ribeiras do Oeste river basin. Water body code CWB-II-4.

Location

Municipality of Mafra. Coordinates: latitude 39.01°, longitude -9.42° (ETRS89).

Facilities

Good support infrastructure available.

Season

June 12 to September 12 (2021 season).

Water Quality

Water quality classification based on 2020 data under Decreto-Lei 135/09 (amended by Decreto-Lei 113/2012). Triweekly sampling frequency. No days of bathing advisories or prohibitions due to short-term pollution events were recorded in the 2020 bathing season.

Risks

Short-term pollution risk is very low but may occur due to excessive river discharge from the Safarujo tributary during rainfall events. Such events are not expected to last more than 1-2 days. Potential for cyanobacteria, macroalgae, and phytoplankton proliferation is unlikely.