Water temperature in Leiria

This data the coastal Leiria 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 Leiria

Water temperature in Leiria today is 15.3°C. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Leiria was recorded in 2014 and was 21°C, and the coldest was recorded in 2017 at 16.1°C. Sea water temperature in Leiria is expected to rise to 17.8°C in the next 10 days. September average water temperature in Leiria is 18.2°C, the minimum temperature is 14.3°C, and the maximum is 21.1°C.

Throughout the year, the water temperature in Leiria does not rise above 20°C and therefore is not suitable for comfortable swimming. But on some days of August, September, October, the water temperature warms up to 20°C and above. The average water temperature in Leiria in winter reaches 14.6°C, in spring 15.1°C, in summer the average temperature rises to 17.6°C, and in autumn it is 17.5°C.

Leiria water temperature now

The sea salinity in Leiria is 35.36‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Leiria 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 Leiria. 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 Leiria. Data in table shown for 26 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Leiria

Leiria weather forecast

Current temperature and weather

Data in a table show Leiria temperature today (26 September 2025). For more information and forecast for a few days, go to the weather forecast Leiria.

0-3 h	3-6 h	6-9 h	9-12 h
14.4°C	13.9°C	13.2°C	19.5°C

12-15 h	15-18 h	18-21 h	21-24 h
23.6°C	21.5°C	17.5°C	13.4°C

Leiria water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Leiria. 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 Leiria 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 Leiria

The nearest beaches and cities from Leiria 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
Paredes da Vitoria	15.3°C	22°C		0.94 m
Sao Pedro de Moel	15.1°C	23°C		0.94 m
Vieira de Leiria	15.1°C	23°C		0.84 m
Praia da Vieira	15.1°C	23°C		0.84 m
Pedrogao	15.2°C	24°C		0.87 m
Obidos	15.6°C	22°C		0.9 m
Caldas da Rainha	15.6°C	22°C		0.9 m
Peniche	15°C	22°C		0.87 m
Berlengas	16°C	22°C		0.92 m
Buarcos	14.5°C	21°C		0.85 m

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Our report for Leiria 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.