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Port-Louis

Water Temperature in the Bay of Biscay in Port-Louis, France: Current and Forecast

On this page, you will find comprehensive information about the sea temperature in Port-Louis in France, 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 Port-Louis

56°F

TODAY

56°F

YESTERDAY

57°F

A WEEK AGO

All water temperature data is now available in our official mobile apps — for iOS and Android.

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Bay of Biscay in Port-Louis is 13.5°F. 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 Port-Louis Over the Last 30 Days

The water temperature in Port-Louis 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 Port-Louis will remain nearly unchanged in the coming days, its value will be 57°F.

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 France to enhance accuracy.

Water temperature data for Port-Louis 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
May 657°F56°F
May 760°F57°F
May 860°F56°F
May 958°F57°F
May 1058°F56°F
May 1156°F57°F
May 1256°F57°F
May 1357°F57°F
May 1457°F56°F
May 1557°F56°F
May 1657°F56°F
May 1757°F56°F
May 1857°F56°F
May 1959°F57°F
May 2058°F57°F
May 2159°F57°F
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Port-Louis Throughout the Year

Throughout the year, the sea temperature in Port-Louis exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 0 days, and exceeds 64°F (18°C) for 25 days.

Below is the annual chart of sea temperature changes in the Bay of Biscay in Port-Louis.

January

MinimumAverageMaximum
46°F51°F55°F

February

MinimumAverageMaximum
46°F49°F52°F

March

MinimumAverageMaximum
46°F51°F55°F

April

MinimumAverageMaximum
48°F53°F57°F

May

MinimumAverageMaximum
54°F58°F63°F

June

MinimumAverageMaximum
55°F62°F68°F

July

MinimumAverageMaximum
57°F64°F70°F

August

MinimumAverageMaximum
59°F64°F68°F

September

MinimumAverageMaximum
59°F64°F68°F

October

MinimumAverageMaximum
57°F62°F66°F

November

MinimumAverageMaximum
54°F58°F63°F

December

MinimumAverageMaximum
48°F53°F57°F

Monthly Water Temperature Histogram for Bay of Biscay in Port-Louis

You can explore detailed data on how the water temperature in Port-Louis varies each month:

What Beaches Are There In and Around Port-Louis?

Grande Plage

Grande Plage is a 5-stars sandy beach, is located directly in Port-Louis. 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.

Plage De Toulhars

Plage De Toulhars is a 5-stars sandy beach, located in a 2 km (1 miles) radius of Port-Louis. There are lifeguards on the beach. There is parking. There are restrooms. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Sang Nu Cove

Sang Nu Cove is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Port-Louis. Sang Nu Cove is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Port Melite Beach

Port Melite Beach is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Port-Louis. Port Melite Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Grands Sables Beach

Grands Sables Beach is a 5-stars sandy beach, located in a 9 km (6 miles) radius of Port-Louis. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Grands Sables Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Vvf Cove

Vvf Cove is a 3-stars sandy beach, located in a 10 km (6 miles) radius of Port-Louis. There is parking. Vvf Cove is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Port-Louis Weather

MAY 14

52°F / 66°F
broken clouds: 51-84%

humidity: 75% | wind: 4 mph

MAY 15

46°F / 66°F
clear sky

humidity: 75% | wind: 2 mph

MAY 16

48°F / 68°F
clear sky

humidity: 68% | wind: 2 mph

MAY 17

52°F / 54°F
clear sky

humidity: 92% | wind: 3 mph

Brittany, FranceBrittany, FranceBrittany, France

Sea Temperature in the Bay of Biscay in Port-Louis: General Trends and Swimming Opportunities

Original name
Port-Louis
The Local Time
07:40 PM
Time Zone
UTC+2
Sunrise
06:38 AM
Sunset
09:41 PM
Length of the day
15 h 3 m

Brittany, France has a temperate maritime climate characterized by mild summers and cool winters. The coastal region often experiences abundant rainfall throughout the year, coupled with ample sunshine, and is frequently subjected to the cooling sea breezes.

Port-Louis is located in Europe in the Northern Hemisphere at a latitude of 48 degrees, along the shores of the Bay of Biscay. Port-Louis lies within the Brittany in France.

The average annual daytime air temperature in Port-Louis is 16°C (61°F), with the average nighttime temperature being 9°C (48°F). The highest average daily temperature occurs in August, reaching 22°C (72°F), while the lowest is in January at 10°C (49°F). As for nighttime temperatures, the minimum average temperature of 5°C (40°F) is recorded in February, and the maximum is in August, reaching 14°C (58°F).

According to historical data, Port-Louis experiences 136 rainy days per year, which accounts for 37 percent of all days in the year. On average, there are 11 rainy days each month. The wettest month is November, with 15 rainy days and 106 mm (4.2 inches) of precipitation, while the driest month is July, which typically has 8 rainy days and only 42 mm (1.6 inches) of precipitation.

The average annual water temperature in Bay of Biscay in Port-Louis is 14°C (57°F). In January, the water reaches its lowest point of the year at 8°C (46°F), while in July, it peaks at 21°C (70°F). In Port-Louis, the water temperature in the Bay of Biscay never consistently reaches a comfortable level for swimming in any month.

Geographical Location of Port-Louis

Frequently Asked Questions About Port-Louis and its Water Temperatures

What is the current sea temperature in Port-Louis?

The water temperature today in the Bay of Biscay in Port-Louis is 56°F (13.5°C).

In which months is the water temperature in Port-Louis comfortable for swimming?

It cannot be guaranteed that the water temperature in Port-Louis will be comfortable for swimming in any month of the year.

What is the water temperature in Port-Louis during the winter?

The water temperature in the Bay of Biscay in Port-Louis during the winter ranges from 8°C to 14°C (46°F to 57°F).

What is the water temperature in Port-Louis during the spring?

The water temperature in the Bay of Biscay in Port-Louis during the spring ranges from 8°C to 17°C (46°F to 63°F).

What is the water temperature in Port-Louis during the summer?

The water temperature in the Bay of Biscay in Port-Louis during the summer ranges from 13°C to 21°C (55°F to 70°F).

What is the water temperature in Port-Louis during the fall?

The water temperature in the Bay of Biscay in Port-Louis during the fall ranges from 12°C to 20°C (54°F to 68°F).

Is it possible to swim in the sea in Port-Louis at any time of the year?

The Bay of Biscay in Port-Louis is quite cool, and swimming is only possible in , and July when the water temperature reaches 21°C (70°F).

What sea temperatures can I expect in Port-Louis in the next month?

In June, the water temperature in the Bay of Biscay in Port-Louis will range between 55°F (13°C) and 68°F (20°C)