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Castro Urdiales

Water Temperature in the Bay of Biscay in Castro Urdiales, Spain: Current, Historical Data and Forecast

On this page, you will find comprehensive information about the sea temperature in Castro Urdiales in Spain, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Water Temperature in Castro Urdiales

12.4°C

TODAY

12.3°C

YESTERDAY

12.5°C

A WEEK AGO

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Bay of Biscay in Castro Urdiales is 12.4°C. The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear.

It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature Chart for Bay of Biscay in Castro Urdiales Over the Last 30 Days

The water temperature in Castro Urdiales today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.

According to our forecast, the sea temperature in Castro Urdiales will remain nearly unchanged in the coming days, its value will be 12.4°C.

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across Spain to enhance accuracy.

Water temperature data for Castro Urdiales and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.

Table of Daily Sea Temperature Data

DateCurrentAverageForecast
Feb 1512.5°C13.0°C
Feb 1612.7°C12.3°C
Feb 1712.3°C12.5°C
Feb 1812.4°C13.0°C
Feb 1912.5°C12.8°C
Feb 2012.2°C12.5°C
Feb 2112.3°C12.0°C
Feb 2212.5°C12.8°C
Feb 2311.8°C12.3°C
Feb 2412.8°C12.4°C
Feb 2512.5°C12.4°C
Feb 2612.8°C12.4°C
Feb 2712.0°C12.3°C
Feb 2812.0°C12.3°C
Mar 112.5°C12.3°C
Mar 212.8°C12.4°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Castro Urdiales Throughout the Year

Throughout the year, the sea temperature in Castro Urdiales exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 9 days, and exceeds 64°F (18°C) for 128 days.

Below is the annual chart of sea temperature changes in the Bay of Biscay in Castro Urdiales.

January

MinimumAverageMaximum
12°C13.5°C15°C

February

MinimumAverageMaximum
11°C12.5°C14°C

March

MinimumAverageMaximum
11°C13°C15°C

April

MinimumAverageMaximum
12°C14°C16°C

May

MinimumAverageMaximum
13°C16°C19°C

June

MinimumAverageMaximum
15°C18.5°C22°C

July

MinimumAverageMaximum
17°C20°C23°C

August

MinimumAverageMaximum
19°C21.5°C24°C

September

MinimumAverageMaximum
17°C20°C23°C

October

MinimumAverageMaximum
14°C18°C22°C

November

MinimumAverageMaximum
13°C16°C19°C

December

MinimumAverageMaximum
11°C14°C17°C

Monthly Water Temperature Histogram for Bay of Biscay in Castro Urdiales

You can explore detailed data on how the water temperature in Castro Urdiales varies each month:

What Beaches Are There In and Around Castro Urdiales?

Playa Del Matadero

Playa Del Matadero is a 3-stars sandy beach, is located directly in Castro Urdiales. There is parking. There are restrooms. There are shops. There are cafés.

Link to the location of the beach

Brazomar

Brazomar is a 5-stars sandy beach, is located directly in Castro Urdiales. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Brazomar is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Playa De Brazomar

Playa De Brazomar is a 4-stars sandy beach, is located directly in Castro Urdiales. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There is parking. There are restrooms. There are shops. There are cafés. Snorkeling is possible.

Link to the location of the beach

Ostende / Urdiales

Ostende / Urdiales is a 5-stars sandy beach, is located directly in Castro Urdiales. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Ostende Beach

Ostende Beach is a 4-stars sandy beach, is located directly in Castro Urdiales. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There is parking. There are shops. There are cafés. It is suitable for surfing.

Link to the location of the beach

Dicido

Dicido is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Castro Urdiales. There are lifeguards on the beach. There is parking.

Link to the location of the beach

Cala De Miono

Cala De Miono is a 1-stars pebble beach, located in a 3 km (2 miles) radius of Castro Urdiales. There is parking.

Link to the location of the beach

Playa De Miono

Playa De Miono is a 2-stars pebble beach, located in a 3 km (2 miles) radius of Castro Urdiales. There is parking. There are cafés. Snorkeling is possible.

Link to the location of the beach

El Berron

El Berron is a 2-stars sandy beach, located in a 5 km (3 miles) radius of Castro Urdiales. There are lifeguards on the beach.

Link to the location of the beach

La Secreta Hondartza

La Secreta Hondartza is a 2-stars sandy beach, located in a 7 km (4 miles) radius of Castro Urdiales. There is parking.

Link to the location of the beach

Orinon

Orinon is a 4-stars sandy beach, located in a 8 km (5 miles) radius of Castro Urdiales. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There are lifeguards on the beach. There is parking. There are cafés. It is suitable for surfing.

Link to the location of the beach

Playa De Arenillas

Playa De Arenillas is a 4-stars sandy beach, located in a 8 km (5 miles) radius of Castro Urdiales. There are lifeguards on the beach. There is parking. There are cafés. Playa De Arenillas is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. It is suitable for surfing.

Link to the location of the beach

Playa De La Arena

Playa De La Arena is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Castro Urdiales. For those who prefer clothing-optional beaches, Playa De La Arena is a designated nudist beach. There are shops. There are cafés. It is suitable for surfing.

Link to the location of the beach

Playa Del Lastron

Playa Del Lastron is a 1-stars sandy beach, located in a 9 km (6 miles) radius of Castro Urdiales.

Link to the location of the beach

Playa Orinon

Playa Orinon is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Castro Urdiales. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Playa De Orinon

Playa De Orinon is a 3-stars sandy beach, located in a 9 km (6 miles) radius of Castro Urdiales. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There is parking.

Link to the location of the beach

Cala Sonabia

Cala Sonabia is a 2-stars pebble beach, located in a 9 km (6 miles) radius of Castro Urdiales. There is parking. There are cafés.

Link to the location of the beach

Playa Sonabia

Playa Sonabia is a 1-stars sandy beach, located in a 10 km (6 miles) radius of Castro Urdiales.

Link to the location of the beach

Arenal De Sonabia

Arenal De Sonabia is a 4-stars sandy beach, located in a 10 km (6 miles) radius of Castro Urdiales. There are lifeguards on the beach. For those who prefer clothing-optional beaches, Arenal De Sonabia is a designated nudist beach. There is parking. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Castro Urdiales Weather

FEBRUARY 23

10°C / 19°C
overcast clouds: 85-100%

humidity: 59% | wind: 3 km/h

FEBRUARY 24

10°C / 12°C
overcast clouds: 85-100%

humidity: 80% | wind: 4 km/h

FEBRUARY 25

7°C / 11°C
light rain

humidity: 81% | wind: 3 km/h

FEBRUARY 26

6°C / 8°C
light rain

humidity: 88% | wind: 2 km/h

Cantabria, SpainCantabria, SpainCantabria, Spain

Sea Temperature in the Bay of Biscay in Castro Urdiales: General Trends and Swimming Opportunities

Original name
Castro Urdiales
The Local Time
00:19
Time Zone
UTC+1
Sunrise
07:59
Sunset
18:51
Length of the day
10 h 51 m

The coastal region of Cantabria, Spain, experiences a maritime climate characterized by mild summers and cool, wet winters. The area is significantly influenced by the warm Gulf Stream, resulting in relatively stable, humid conditions year-round.

Castro Urdiales is located in Europe in the Northern Hemisphere at a latitude of 43 degrees, along the shores of the Bay of Biscay. Castro Urdiales lies within the Cantabria in Spain.

The average annual daytime air temperature in Castro Urdiales is 18°C (64°F), with the average nighttime temperature being 12°C (54°F). The highest average daily temperature occurs in August, reaching 24°C (75°F), while the lowest is in January at 12°C (54°F). As for nighttime temperatures, the minimum average temperature of 7°C (44°F) is recorded in January, and the maximum is in July, reaching 17°C (63°F).

According to historical data, Castro Urdiales experiences 139 rainy days per year, which accounts for 38 percent of all days in the year. On average, there are 12 rainy days each month. The wettest month is November, with 14 rainy days and 139 mm (5.5 inches) of precipitation, while the driest month is July, which typically has 8 rainy days and only 49 mm (1.9 inches) of precipitation.

The average annual water temperature in Bay of Biscay in Castro Urdiales is 16°C (61°F). In February, the water reaches its lowest point of the year at 11°C (52°F), while in August, it peaks at 24°C (75°F). In Castro Urdiales, the water temperature in the Bay of Biscay never consistently reaches a comfortable level for swimming in any month.

Geographical Location of Castro Urdiales

Frequently Asked Questions About Castro Urdiales and its Water Temperatures

What is the current sea temperature in Castro Urdiales?

The water temperature today in the Bay of Biscay in Castro Urdiales is 54°F (12.4°C).

In which months is the water temperature in Castro Urdiales comfortable for swimming?

It cannot be guaranteed that the water temperature in Castro Urdiales will be comfortable for swimming in any month of the year.

What is the water temperature in Castro Urdiales during the winter?

The water temperature in the Bay of Biscay in Castro Urdiales during the winter ranges from 11°C to 17°C (52°F to 63°F).

What is the water temperature in Castro Urdiales during the spring?

The water temperature in the Bay of Biscay in Castro Urdiales during the spring ranges from 11°C to 19°C (52°F to 66°F).

What is the water temperature in Castro Urdiales during the summer?

The water temperature in the Bay of Biscay in Castro Urdiales during the summer ranges from 15°C to 24°C (59°F to 75°F).

What is the water temperature in Castro Urdiales during the fall?

The water temperature in the Bay of Biscay in Castro Urdiales during the fall ranges from 13°C to 23°C (55°F to 73°F).

Is it possible to swim in the sea in Castro Urdiales at any time of the year?

The Bay of Biscay in Castro Urdiales is quite cool, and swimming is only possible in June, July, August, September, and October when the water temperature reaches 21°C (70°F).

What sea temperatures can I expect in Castro Urdiales in the next month?

In March, the water temperature in the Bay of Biscay in Castro Urdiales will range between 52°F (11°C) and 59°F (15°C)