World sea water temperatures

Water temperature in Arminza

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This data the coastal Arminza 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 Arminza

Water temperature in Arminza today is 21.2°C. Based on our historical data over a period of ten years, the warmest water in this day in the Cantabrian Sea near Arminza was recorded in 2022 and was 22.5°C, and the coldest was recorded in 2007 at 20.3°C. Sea water temperature in Arminza is expected to drop to 20.9°C in the next 10 days. September average water temperature in Arminza is 20.7°C, the minimum temperature is 18.5°C, and the maximum is 22.7°C.

The swimming season in Arminza lasts from July to September. During those months, Arminza water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Arminza in winter reaches 13.2°C, in spring 13.8°C, in summer the average temperature rises to 20.5°C, and in autumn it is 18.4°C.

Arminza water temperature now


5 September 2025
today temp
21.2°C
4 September 2025
yesterday temp
21.2°C


The sea salinity in Arminza is 34.85‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Arminza 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 Arminza. 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 Arminza. Data in table shown for 5 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

0-3 h3-6 h6-9 h9-12 h
4' 8"4' 5"4' 1"3' 10"
1.42 m1.34 m1.25 m1.16 m
12-15 h15-18 h18-21 h21-24 h
3' 8"3' 5"3' 3"3' 1"
1.11 m1.04 m0.98 m0.93 m

Surf report in Arminza

Arminza wave height and direction

Arminza weather forecast

Arminza wind speed and direction

Current temperature and weather

Data in a table show Arminza temperature today (5 September 2025). For more information and forecast for a few days, go to the weather forecast Arminza.

0-3 h3-6 h6-9 h9-12 h
15.1°C15.5°C15.8°C18.7°C
12-15 h15-18 h18-21 h21-24 h
21.9°C23°C21.5°C18.1°C

You may also be interested in other sections of our site for Arminza: Sunrise and Sunset, Tides

Arminza water temperature by month

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

MonthAvrMinMax
January13.1°C11.9°C14.4°Ccold
Sea water temperature in Arminza in January
February12.4°C11°C13.6°Ccold
Sea water temperature in Arminza in February
March12.5°C11.3°C13.8°Ccold
Sea water temperature in Arminza in March
April13.4°C11.9°C15.4°Ccold
Sea water temperature in Arminza in April
May15.5°C13.3°C19.4°Ccold
Sea water temperature in Arminza in May
June18.5°C14.2°C21.7°Ccold
Sea water temperature in Arminza in June
July21.1°C18.3°C23.4°Cwarm
Sea water temperature in Arminza in July
August22°C20.5°C23.6°Cwarm
Sea water temperature in Arminza in August
September20.7°C18.5°C22.7°Cwarm
Sea water temperature in Arminza in September
October18.4°C15.6°C21°Ccold
Sea water temperature in Arminza in October
November16°C13.9°C19.4°Ccold
Sea water temperature in Arminza in November
December14.1°C12.4°C16.2°Ccold
Sea water temperature in Arminza in December

Chart monthly average water temperature in Arminza

Water temperature in Arminza

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

Nearby beaches and cities

The nearest beaches and cities from Arminza 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

WaterWeatherWave
Biscay21.2°C25°C1.15 m
Bilbao21.2°C23°C1.19 m
Sopelana21.2°C23°C1.19 m
Barrika21.2°C23°C1.19 m
Bermeo21.2°C25°C1.48 m
Mundaka21.2°C25°C1.48 m
Elantxobe21.2°C25°C1.48 m
Sukarrieta21.2°C25°C1.48 m
Getxo21.1°C23°C1.08 m
Portugalete21.1°C23°C1.08 m

Basque Country photo gallery

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Other names for Arminza

Armintza

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Arminza 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.

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