World sea water temperatures

Water temperature in Locoal Mendon

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This data the coastal Locoal Mendon 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 Locoal Mendon

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

Locoal Mendon water temperature now


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


The sea salinity in Locoal Mendon is 34.21‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Locoal Mendon 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 Locoal Mendon. 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 Locoal Mendon. 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 Locoal Mendon

Locoal Mendon wave height and direction

Locoal Mendon weather forecast

Locoal Mendon wind speed and direction

Current temperature and weather

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

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 Locoal Mendon: Sunrise and Sunset, Tides

Locoal Mendon water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Locoal Mendon. 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 Locoal Mendon 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
January9.4°C6.8°C12.1°Ccold
Sea water temperature in Locoal Mendon in January
February9°C7.1°C10.7°Ccold
Sea water temperature in Locoal Mendon in February
March9.8°C7.3°C12.1°Ccold
Sea water temperature in Locoal Mendon in March
April12°C8.5°C15.5°Ccold
Sea water temperature in Locoal Mendon in April
May14.3°C11.3°C18.6°Ccold
Sea water temperature in Locoal Mendon in May
June16.7°C13.4°C20.2°Ccold
Sea water temperature in Locoal Mendon in June
July18.1°C15.6°C21.8°Ccold
Sea water temperature in Locoal Mendon in July
August18.4°C16.6°C21°Ccold
Sea water temperature in Locoal Mendon in August
September17.5°C15.2°C20.5°Ccold
Sea water temperature in Locoal Mendon in September
October15.8°C13.3°C19.6°Ccold
Sea water temperature in Locoal Mendon in October
November13.3°C10.9°C16.4°Ccold
Sea water temperature in Locoal Mendon in November
December10.9°C8.2°C13.5°Ccold
Sea water temperature in Locoal Mendon in December

Chart monthly average water temperature in Locoal Mendon

Water temperature in Locoal Mendon

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 Locoal Mendon 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
Saint Philibert18.7°C19°C0.73 m
Plouharnel18.3°C19°C0.98 m
Erdeven18.1°C19°C1.14 m
Arzon19°C19°C0.55 m
Saint Pierre Quiberon17.8°C17°C1.53 m
Port Navalo18.8°C19°C1 m
Nostang18.4°C19°C0.82 m
Sainte Helene18.4°C19°C0.82 m
Plouhinec18.4°C19°C0.82 m
Quiberon17.6°C17°C1.15 m

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  • Les plages du Guilvinec  avec des chiens qui crottent sur les plages. Pas de controls!
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Other names for Locoal Mendon

Locoal-Mendon

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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 Locoal Mendon 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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