Bathing water quality in Oeste e Vale do Tejo, Portugal
Oeste e Vale do Tejo has 59 official bathing waters in the EEA dataset for the 2025 season (45 coastal, 8 lake and 6 river). 93.2% were classified Excellent — 11.2 points above the 82% across Portugal — and 0 were Poor. By sub-region, the Excellent share is highest in Oeste (97.8% of 45) and lowest in Médio Tejo (84.6% of 13). 48 sites have been Excellent in every season from 2015 to 2025.
Qualidade das águas balneares em Oeste e Vale do Tejo
Das 59 zonas balneares oficiais da UE em Oeste e Vale do Tejo, 93,2 % foram «excelente» em 2025; zonas classificadas como «má»: 0.

official bathing waters
Excellent in 2025
Poor in 2025
Map of official bathing waters in Oeste e Vale do Tejo
Oeste e Vale do Tejo by sub-region
Sites are placed in the Eurostat NUTS 3 sub-regions that contain their reported coordinates.
| Sub-region | Sites | Excellent | Good | Sufficient | Poor | Not classified |
|---|---|---|---|---|---|---|
| Oeste | 45 | 44 (97.8%) | 1 | 0 | 0 | 0 |
| Médio Tejo | 13 | 11 (84.6%) | 0 | 0 | 0 | 2 |
| Lezíria do Tejo | 1 | 0 (0%) | 1 | 0 | 0 | 0 |
Sea, lakes and rivers in Oeste e Vale do Tejo
| Water type | Sites | Excellent | Good | Sufficient | Poor | Not classified |
|---|---|---|---|---|---|---|
| Coastal | 45 | 44 (97.8%) | 1 | 0 | 0 | 0 |
| Lake | 8 | 7 (87.5%) | 0 | 0 | 0 | 1 |
| River | 6 | 4 (66.7%) | 1 | 0 | 0 | 1 |
Coastal waters are assessed against stricter bacterial limits than lakes and rivers but are diluted far more; see how the classes are calculated.
Most consistent Excellent sites
48 sites were Excellent in all eleven seasons. Ordered by the length of the unbroken Excellent run ending in 2025; the first 24 are shown and every site is in the full list below.
- AGROAL 11 seasons · Médio Tejo
- ÁGUA DE MADEIROS 11 seasons · Oeste
- ALDEIA DO MATO 11 seasons · Médio Tejo
- AMANHÃ (SANTA CRUZ) 11 seasons · Oeste
- AREAL SUL 11 seasons · Oeste
- AREIA BRANCA 11 seasons · Oeste
- AZUL 11 seasons · Oeste
- BALEAL NORTE 11 seasons · Oeste
- BALEAL SUL 11 seasons · Oeste
- BALEAL-CAMPISMO 11 seasons · Oeste
- BOM SUCESSO 11 seasons · Oeste
- CARVOEIRO (MAÇÃO) 11 seasons · Médio Tejo
- CASTANHEIRA OU LAGO AZUL 11 seasons · Médio Tejo
- CENTRO (SANTA CRUZ) 11 seasons · Oeste
- CONSOLAÇÃO 11 seasons · Oeste
- CONSOLAÇÃO NORTE 11 seasons · Oeste
- COVA DA ALFARROBA 11 seasons · Oeste
- FÍSICA (SANTA CRUZ) 11 seasons · Oeste
- FORMOSA 11 seasons · Oeste
- FOZ DO ARELHO-LAGOA 11 seasons · Oeste
- FOZ DO SIZANDRO-MAR 11 seasons · Oeste
- GAMBOA 11 seasons · Oeste
- LÉGUA 11 seasons · Oeste
- MEDÃO-SUPERTUBOS 11 seasons · Oeste
Rated Poor in 2025
None of the 59 official bathing waters in Oeste e Vale do Tejo was classified Poor in 2025.
Changes from 2024 to 2025
Improved (1)
- PRAIA FLUVIAL DE CONSTANCIA Good → Excellent
Declined (1)
- PRAIA FLUVIAL DO SORRAIA Excellent → Good
How Oeste e Vale do Tejo rated since 2015
Counts for the sites in today’s 2025 inventory; the Excellent share is calculated over classified sites only.
| Season | Classified | Excellent | Excellent share | Poor |
|---|---|---|---|---|
| 2025 | 57 | 55 | 96.5% | 0 |
| 2024 | 55 | 53 | 96.4% | 0 |
| 2023 | 54 | 54 | 100% | 0 |
| 2022 | 54 | 54 | 100% | 0 |
| 2021 | 53 | 53 | 100% | 0 |
| 2020 | 52 | 51 | 98.1% | 0 |
| 2019 | 51 | 50 | 98% | 0 |
| 2018 | 51 | 50 | 98% | 0 |
| 2017 | 51 | 50 | 98% | 0 |
| 2016 | 51 | 50 | 98% | 0 |
| 2015 | 49 | 49 | 100% | 0 |
Places with the most bathing waters in Oeste e Vale do Tejo
Each site is matched to its nearest named place (GeoNames, within 8 km in a straight line), so beaches of one resort or lake shore can be compared together. Select a place to show only its sites in the full list.
| Place | Sub-region | Sites | Excellent | Poor |
|---|---|---|---|---|
| Silveira | Oeste | 10 | 10 (100%) | 0 |
| Peniche | Oeste | 6 | 5 (83.3%) | 0 |
| Lourinhã | Oeste | 5 | 5 (100%) | 0 |
| Ferrel | Oeste | 4 | 4 (100%) | 0 |
| Foz do Arelho | Oeste | 4 | 4 (100%) | 0 |
| Vimeiro | Oeste | 4 | 4 (100%) | 0 |
| Atouguia da Baleia | Oeste | 3 | 3 (100%) | 0 |
| Ferreira do Zêzere | Médio Tejo | 3 | 3 (100%) | 0 |
| Nazaré | Oeste | 3 | 3 (100%) | 0 |
| Pataias | Oeste | 3 | 3 (100%) | 0 |
All 59 official bathing waters in Oeste e Vale do Tejo
Grouped by sub-region, alphabetical within each group. Open a site for its 2015–2025 history, nearby alternatives, weather forecast and the national profile link.
Download all 59 sites as CSV (classes 2015–2025, coordinates, nearest place; EEA data, CC BY 4.0)
Oeste 45 sites · 97.8% Excellent
- ÁGUA DE MADEIROS Excellent Excellent 11 seasons in a row
- AMANHÃ (SANTA CRUZ) · Silveira Excellent Excellent 11 seasons in a row
- AREAL SUL · Lourinhã Excellent Excellent 11 seasons in a row
- AREIA BRANCA · Lourinhã Excellent Excellent 11 seasons in a row
- AREIA BRANCA-FOZ · Lourinhã Excellent
- AZUL · Silveira Excellent Excellent 11 seasons in a row
- BALEAL NORTE · Ferrel Excellent Excellent 11 seasons in a row
- BALEAL SUL · Ferrel Excellent Excellent 11 seasons in a row
- BALEAL-CAMPISMO · Ferrel Excellent Excellent 11 seasons in a row
- BOM SUCESSO · Foz do Arelho Excellent Excellent 11 seasons in a row
- CENTRO (SANTA CRUZ) · Silveira Excellent Excellent 11 seasons in a row
- CONSOLAÇÃO · Atouguia da Baleia Excellent Excellent 11 seasons in a row
- CONSOLAÇÃO NORTE · Atouguia da Baleia Excellent Excellent 11 seasons in a row
- COVA DA ALFARROBA · Peniche Excellent Excellent 11 seasons in a row
- FÍSICA (SANTA CRUZ) · Silveira Excellent Excellent 11 seasons in a row
- FORMOSA · Silveira Excellent Excellent 11 seasons in a row
- FOZ DO ARELHO-LAGOA Excellent Excellent 11 seasons in a row
- FOZ DO SIZANDRO-MAR · Silveira Excellent Excellent 11 seasons in a row
- GAMBOA · Peniche Excellent Excellent 11 seasons in a row
- LÉGUA · Nazaré Excellent Excellent 11 seasons in a row
- MEDÃO-SUPERTUBOS · Peniche Excellent Excellent 11 seasons in a row
- MIRANTE (SANTA CRUZ) · Silveira Excellent Excellent 11 seasons in a row
- MOLHE LESTE · Peniche Good
- NAVIO · Silveira Excellent Excellent 11 seasons in a row
- NAZARÉ Excellent Excellent 11 seasons in a row
- NORTE (NAZARE) Excellent
- PAREDES DE VITÓRIA · Pataias Excellent Excellent 11 seasons in a row
- PEDRA DO OURO · Pataias Excellent Excellent 11 seasons in a row
- PENICHE DE CIMA Excellent Excellent 11 seasons in a row
- PERALTA · Lourinhã Excellent Excellent 11 seasons in a row
- PISÃO (SANTA CRUZ) · Silveira Excellent Excellent 11 seasons in a row
- POLVOEIRA · Pataias Excellent Excellent 11 seasons in a row
- PORTO DA AREIA SUL · Peniche Excellent Excellent 11 seasons in a row
- PORTO DINHEIRO · Lourinhã Excellent Excellent 11 seasons in a row
- PORTO NOVO · Vimeiro Excellent Excellent 11 seasons in a row
- PRAIA DO MAR · Foz do Arelho Excellent Excellent 11 seasons in a row
- REI DO CORTIÇO · Foz do Arelho Excellent Excellent 11 seasons in a row
- S. BERNARDINO · Atouguia da Baleia Excellent Excellent 11 seasons in a row
- S. MARTINHO DO PORTO · São Martinho do Porto Excellent Excellent 11 seasons in a row
- SALGADO · Famalicão Excellent Excellent 11 seasons in a row
- SANTA HELENA · Silveira Excellent Excellent 11 seasons in a row
- SANTA RITA-NORTE · Vimeiro Excellent Excellent 11 seasons in a row
- SANTA RITA-SUL · Vimeiro Excellent Excellent 11 seasons in a row
- VALE DE JANELAS · Ferrel Excellent Excellent 11 seasons in a row
- VALMITÃO · Vimeiro Excellent Excellent 11 seasons in a row
Médio Tejo 13 sites · 84.6% Excellent
- AGROAL Excellent Excellent 11 seasons in a row
- ALDEIA DO MATO · Montalvo Excellent Excellent 11 seasons in a row
- ALQUEIDÃO Excellent Excellent 5 seasons in a row
- ALVERANGEL · Montalvinho Not classified
- BAIRRADA/BAIRRADINHA · Ferreira do Zêzere Excellent Excellent 2 seasons in a row
- CARDIGOS Excellent Excellent 10 seasons in a row
- CARVOEIRO (MAÇÃO) Excellent Excellent 11 seasons in a row
- CASTANHEIRA OU LAGO AZUL · Ferreira do Zêzere Excellent Excellent 11 seasons in a row
- FONTES Excellent Excellent 6 seasons in a row
- MONTES · Ferreira do Zêzere Excellent Excellent 11 seasons in a row
- OLHOS DE ÁGUA DO ALVIELA · Monsanto Not classified
- PRAIA FLUVIAL DE CONSTANCIA Excellent Good → Excellent since 2024
- VILA NOVA-SERRA Excellent Excellent 11 seasons in a row
Lezíria do Tejo 1 site · 0% Excellent
- PRAIA FLUVIAL DO SORRAIA · Coruche Good Excellent → Good since 2024
Compared with other regions in Portugal
| # | Region | Sites | Excellent | Poor |
|---|---|---|---|---|
| 1 | Setúbal Peninsula | 31 | 96.8% | 0 |
| 2 | Azores | 88 | 96.6% | 0 |
| 3 | Oeste e Vale do Tejo | 59 | 93.2% | 0 |
| 4 | Algarve | 109 | 92.7% | 0 |
| 5 | Alentejo | 39 | 89.7% | 0 |
| 6 | Madeira | 61 | 83.6% | 2 |
| 7 | North (Norte) | 120 | 80% | 3 |
| 8 | Greater Lisbon | 33 | 66.7% | 0 |
| 9 | Centre (Centro) | 142 | 59.2% | 7 |
Regions with at least 15 official bathing waters. Size, water type and how densely sites are designated differ, so the table is context rather than a verdict.
Quick answers
- How many bathing waters in Oeste e Vale do Tejo were rated Excellent in 2025?
- 55 of 59 (93.2%) in the official EEA 2025 classification; 2 were Good, 0 Sufficient and 0 Poor, and 2 had no class. That ranks Oeste e Vale do Tejo 3 of 9 Portugal regions by Excellent share.
- Which sub-region of Oeste e Vale do Tejo has the highest share of Excellent sites?
- Oeste: 97.8% of its 45 sites were Excellent in 2025. Only sub-regions with at least five sites are compared; see the full table.
- Which beaches in Oeste e Vale do Tejo have the best long-term record?
- 48 sites were Excellent in every season from 2015 to 2025, for example AGROAL, ÁGUA DE MADEIROS, ALDEIA DO MATO. See the ranking.
- Which places in Oeste e Vale do Tejo have the most official bathing waters?
- Silveira (10, 100% Excellent), Peniche (6, 83.3% Excellent), Lourinhã (5, 100% Excellent). See the place table; places are the nearest named settlement to each site.
- Were any bathing waters in Oeste e Vale do Tejo rated Poor?
- No. None was classified Poor in 2025.
- Where do I check whether swimming is allowed today?
- On InfoÁgua (APA) (Portuguese Environment Agency (APA)). Temporary bans, pollution alerts and closures are published there and on signs at the water, not in the annual EEA class.
Portugal overview · All regions of Portugal · Bathing waters near Lisbon · Bathing season dates
Sources and method
Bathing-water records: European Environment Agency (EEA), data and coordinates reported by Portugal, licensed CC BY 4.0. Region and sub-region boundaries: Eurostat NUTS 2024 (© EuroGeographics for the administrative boundaries). Place names: GeoNames (CC BY 4.0). A site belongs to the area that contains its reported coordinates; a site up to 10 km off the generalised coastline is placed in the nearest area of Portugal. Counts, shares and rankings are calculated by BathingWaterFinder from the official records.