In March warmest sea in Portugal is usually observed in the following locations: Madeira, Funchal, Canico.
Table below shows the average sea water temperature for marine resorts of Portugal in March for the last three years.
| Place name | March 2026 | March 2025 | March 2024 |
|---|---|---|---|
| Madeira | 63.8°F | 65.5°F | 66.9°F |
| Funchal | 63.8°F | 65.5°F | 66.9°F |
| Canico | 63.6°F | 65.4°F | 66.8°F |
| Porto Santo Island | 62.9°F | 64.8°F | 66.1°F |
| Faial Island | 60.7°F | 60.9°F | 61.7°F |
| Flores Island | 60.6°F | 60.4°F | 61.5°F |
| Pico Island | 60.6°F | 60.9°F | 61.5°F |
| Sao Jorge | 60.6°F | 60.9°F | 61.5°F |
| Corvo Island | 60.4°F | 60.4°F | 61.6°F |
| Santa Maria Island | 60.4°F | 62.6°F | 63.1°F |
| Ponta Delgada | 60.2°F | 61.4°F | 62.4°F |
| Sao Miguel | 60.1°F | 61.1°F | 62.3°F |
| Graciosa | 60.0°F | 61.1°F | 61.5°F |
| Terceira Island | 60.0°F | 60.5°F | 61.5°F |
| Algarve | 59.6°F | 60.3°F | 59.6°F |
| Faro | 59.6°F | 60.3°F | 59.6°F |
| Tavira | 59.5°F | 60.2°F | 59.0°F |
| Quarteira | 59.3°F | 60.0°F | 59.4°F |
| Albufeira | 59.2°F | 59.9°F | 59.1°F |
| Portimao | 59.0°F | 59.5°F | 58.7°F |
| Alvor | 59.0°F | 59.6°F | 58.7°F |
| Lagos | 58.9°F | 59.6°F | 58.8°F |
| Sagres | 58.5°F | 59.7°F | 59.1°F |
| Setubal | 57.9°F | 59.1°F | 58.8°F |
| Lisbon | 57.8°F | 58.3°F | 58.5°F |
| Cascais | 57.5°F | 58.9°F | 58.6°F |
| Estoril | 57.4°F | 58.9°F | 58.6°F |
| Sintra | 57.3°F | 58.9°F | 58.6°F |
| Peniche | 56.9°F | 58.7°F | 58.8°F |
| Ericeira | 56.8°F | 58.8°F | 58.7°F |
| Porto | 55.7°F | 57.2°F | 57.2°F |
Charts below show average sea water temperature for Portugal resorts with the warmest sea in March.
You can also check other months of the year to see sea temperature of Portugal resorts at that time.
Places in Portugal:
Name
°F
