World sea water temperatures

Water temperature in Ile-de-Brehat

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This data the coastal Ile-de-Brehat 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 Ile-de-Brehat

Water temperature in Ile-de-Brehat today is 19.1°C. Based on our historical data over a period of ten years, the warmest water in this day in the La Manche near Ile-de-Brehat was recorded in 2022 and was 20.1°C, and the coldest was recorded in 2015 at 17.3°C. Sea water temperature in Ile-de-Brehat is expected to drop to 18°C in the next 10 days. September average water temperature in Ile-de-Brehat is 18°C, the minimum temperature is 16.5°C, and the maximum is 20.1°C.

Throughout the year, the water temperature in Ile-de-Brehat does not rise above 20°C and therefore is not suitable for comfortable swimming. But on some days of August, the water temperature warms up to 20°C and above. The average water temperature in Ile-de-Brehat in winter reaches 10.1°C, in spring 10.6°C, in summer the average temperature rises to 16.8°C, and in autumn it is 16.1°C.

Ile-de-Brehat water temperature now


5 September 2025
today temp
19.1°C
4 September 2025
yesterday temp
19.4°C


The sea salinity in Ile-de-Brehat is 34.74‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Ile-de-Brehat 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 Ile-de-Brehat. 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 Ile-de-Brehat. 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
1' 11"1' 9"1' 7"1' 5"
0.59 m0.53 m0.47 m0.42 m
12-15 h15-18 h18-21 h21-24 h
1' 3"1' 2"1' 0"1' 1"
0.38 m0.35 m0.31 m0.33 m

Surf report in Ile-de-Brehat

Ile-de-Brehat wave height and direction

Ile-de-Brehat weather forecast

Ile-de-Brehat wind speed and direction

Current temperature and weather

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

0-3 h3-6 h6-9 h9-12 h
15°C14.7°C14.3°C15.9°C
12-15 h15-18 h18-21 h21-24 h
18.4°C17.6°C17.7°C16.5°C

You may also be interested in other sections of our site for Ile-de-Brehat: Sunrise and Sunset, Tides

Ile-de-Brehat water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Ile-de-Brehat. 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 Ile-de-Brehat 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
January9.9°C8.2°C11.7°Ccold
Sea water temperature in Ile-de-Brehat in January
February9°C7.3°C10.2°Ccold
Sea water temperature in Ile-de-Brehat in February
March9°C7.1°C10.5°Ccold
Sea water temperature in Ile-de-Brehat in March
April10.4°C7.3°C12.8°Ccold
Sea water temperature in Ile-de-Brehat in April
May12.5°C9.6°C15°Ccold
Sea water temperature in Ile-de-Brehat in May
June15°C12.1°C18.2°Ccold
Sea water temperature in Ile-de-Brehat in June
July17.1°C14.5°C19.3°Ccold
Sea water temperature in Ile-de-Brehat in July
August18.2°C17°C20.4°Ccold
Sea water temperature in Ile-de-Brehat in August
September18°C16.5°C20.1°Ccold
Sea water temperature in Ile-de-Brehat in September
October16.3°C14.2°C18.6°Ccold
Sea water temperature in Ile-de-Brehat in October
November13.9°C12.1°C16.3°Ccold
Sea water temperature in Ile-de-Brehat in November
December11.5°C9.3°C13.7°Ccold
Sea water temperature in Ile-de-Brehat in December

Chart monthly average water temperature in Ile-de-Brehat

Water temperature in Ile-de-Brehat

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 Ile-de-Brehat 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
Pleubian19°C18°C0.34 m
Brehec19.2°C21°C0.34 m
Plougrescant19°C18°C0.56 m
Trestel18.6°C18°C0.56 m
Trelevern18.6°C18°C0.56 m
Perros Guirec18°C18°C0.74 m
Ploumanach18°C18°C0.74 m
Pleneuf Val Andre19.4°C21°C0.34 m
Saint-Brieuc19.3°C21°C0.38 m
Tregastel17.8°C18°C0.98 m

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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 Ile-de-Brehat 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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