World sea water temperatures

Water temperature in La Trinite Sur Mer

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This data the coastal La Trinite Sur Mer 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 La Trinite Sur Mer

Water temperature in La Trinite Sur Mer today is 18.6°C. Based on our historical data over a period of ten years, the warmest water in this day in La Trinite Sur Mer was recorded in 2022 and was 20.1°C, and the coldest was recorded in 2010 at 16.9°C. Sea water temperature in La Trinite Sur Mer is expected to drop to 17.6°C in the next 10 days. September average water temperature in La Trinite Sur Mer is 17.5°C, the minimum temperature is 15.2°C, and the maximum is 20.5°C.

Throughout the year, the water temperature in La Trinite Sur Mer does not rise above 20°C and therefore is not suitable for comfortable swimming. But on some days of June, July, August, September, the water temperature warms up to 20°C and above. The average water temperature in La Trinite Sur Mer in winter reaches 9.8°C, in spring 12°C, in summer the average temperature rises to 17.7°C, and in autumn it is 15.5°C.

La Trinite Sur Mer water temperature now


5 September 2025
today temp
18.6°C
4 September 2025
yesterday temp
19°C


The sea salinity in La Trinite Sur Mer is 34.21‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in La Trinite Sur Mer 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 La Trinite Sur Mer. 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 La Trinite Sur Mer. 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' 5"4' 0"3' 7"3' 3"
1.34 m1.21 m1.1 m1 m
12-15 h15-18 h18-21 h21-24 h
3' 0"2' 9"2' 6"2' 4"
0.91 m0.84 m0.77 m0.7 m

Surf report in La Trinite Sur Mer

La Trinite Sur Mer wave height and direction

La Trinite Sur Mer weather forecast

La Trinite Sur Mer wind speed and direction

Current temperature and weather

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

0-3 h3-6 h6-9 h9-12 h
13.9°C13.2°C12.8°C15.9°C
12-15 h15-18 h18-21 h21-24 h
18.9°C19.3°C18.4°C15.5°C

You may also be interested in other sections of our site for La Trinite Sur Mer: Sunrise and Sunset, Tides

La Trinite Sur Mer water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in La Trinite Sur Mer. 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 La Trinite Sur Mer 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 La Trinite Sur Mer

Water temperature in La Trinite Sur Mer

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 La Trinite Sur Mer 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
Locoal Mendon18.6°C19°C0.98 m
Saint Philibert18.7°C19°C0.73 m
Plouharnel18.3°C19°C0.98 m
Le Bono18.9°C19°C0.55 m
Locmariaquer18.9°C19°C0.55 m
Erdeven18.1°C19°C1.14 m
Larmor Baden19°C19°C0.55 m
Arzon19°C19°C0.55 m
Saint Pierre Quiberon17.8°C17°C1.53 m
Port Navalo18.8°C19°C1 m

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Other names for La Trinite Sur Mer

La Trinite-Sur-Mer

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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 La Trinite Sur Mer 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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