Measurements:
°C
°F
World Resorts Portugal

Portugal Sea Water Temperature

The Portugal resorts with the warmest sea water temperature at this moment are Algarve, Faro and Madeira.

Below you can see a list of all popular Portugal resorts and information about current sea water temperature and averages for current and next months.

Resort Name Current
Sea Water Temperature		 June 2025 July 2025
Algarve 73.8°F 71.0°F 72.7°F
Faro 73.8°F 71.0°F 72.7°F
Madeira 73.4°F 73.7°F 76.1°F
Funchal 73.4°F 73.7°F 76.1°F
Tavira 73.2°F 71.0°F 72.8°F
Canico 73.0°F 73.5°F 75.9°F
Quarteira 72.4°F 69.9°F 71.6°F
Porto Santo Island 72.0°F 72.3°F 74.6°F
Albufeira 72.0°F 69.1°F 71.0°F
Portimao 72.0°F 68.3°F 70.9°F
Santa Maria Island 72.0°F 71.9°F 74.2°F
Alvor 71.8°F 68.0°F 70.1°F
Lagos 70.6°F 67.0°F 68.8°F
Sao Miguel 70.6°F 70.5°F 73.4°F
Ponta Delgada 70.4°F 70.5°F 73.5°F
Faial Island 70.2°F 69.7°F 73.5°F
Pico Island 70.2°F 69.6°F 73.5°F
Sao Jorge 70.2°F 69.7°F 73.8°F
Flores Island 69.8°F 69.6°F 73.5°F
Terceira Island 69.6°F 69.0°F 73.1°F
Corvo Island 69.6°F 69.3°F 73.4°F
Sagres 68.8°F 65.2°F 66.3°F
Lisbon 68.8°F 69.7°F 71.3°F
Graciosa 68.6°F 70.0°F 74.1°F
Setubal 68.2°F 69.2°F 69.6°F
Cascais 63.6°F 64.8°F 65.4°F
Sintra 62.8°F 64.5°F 64.7°F
Estoril 62.6°F 64.3°F 64.7°F
Porto 62.2°F 62.9°F 63.5°F
Peniche 62.2°F 64.2°F 65.2°F
Ericeira 61.8°F 63.3°F 63.0°F

Please see following sea water temperature averages charts for the warmest Portugal resorts for more details.

You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.