Water temperature in Rias Baixas

This data the coastal Rias Baixas sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current sea temperature in Rias Baixas

Water temperature in Rias Baixas today is 16.2°C. Based on our historical data over a period of ten years, the warmest water in this day in Rias Baixas was recorded in 2014 and was 19.4°C, and the coldest was recorded in 2024 at 15.5°C. Sea water temperature in Rias Baixas is expected to rise to 16.8°C in the next 10 days. September average water temperature in Rias Baixas is 17.4°C, the minimum temperature is 14.7°C, and the maximum is 21.4°C.

Throughout the year, the water temperature in Rias Baixas does not rise above 20°C and therefore is not suitable for comfortable swimming. But on some days of June, July, August, September, October, the water temperature warms up to 20°C and above. The average water temperature in Rias Baixas in winter reaches 13.2°C, in spring 14.4°C, in summer the average temperature rises to 17.8°C, and in autumn it is 16.3°C.

Rias Baixas water temperature now

The sea salinity in Rias Baixas is 35.24‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Rias Baixas for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Rias Baixas. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Rias Baixas. Data in table shown for 25 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Rias Baixas

Rias Baixas weather forecast

Current temperature and weather

Data in a table show Rias Baixas temperature today (25 September 2025). For more information and forecast for a few days, go to the weather forecast Rias Baixas.

0-3 h	3-6 h	6-9 h	9-12 h
13.7°C	13.1°C	12.3°C	14.6°C

12-15 h	15-18 h	18-21 h	21-24 h
21.5°C	20.2°C	18.7°C	14.9°C

Rias Baixas water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Rias Baixas. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Rias Baixas on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Rias Baixas

The nearest beaches and cities from Rias Baixas with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Marín	16.2°C	20°C		0.31 m
Praia de Aguete	16.2°C	20°C		0.31 m
Playa de Lapaman	16.3°C	20°C		0.31 m
Raxo	15.9°C	20°C		0.45 m
Areas	15.9°C	20°C		0.45 m
Portonovo	15.9°C	20°C		0.45 m
Playa Montalvo	15.9°C	20°C		0.45 m
Canelas	15.9°C	20°C		0.45 m
Silgar	15.9°C	20°C		0.45 m
Playa de Bascuas	15.9°C	20°C		0.45 m

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Our report for Rias Baixas is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.