World sea water temperatures

Water temperature in Fethard on Sea

Home > Ireland > Fethard on Sea

This data the coastal Fethard on Sea 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 Fethard on Sea

Water temperature in Fethard on Sea today is 16.7°C. Based on our historical data over a period of ten years, the warmest water in this day in the Celtic Sea near Fethard on Sea was recorded in 2022 and was 16.5°C, and the coldest was recorded in 2015 at 14.2°C. Sea water temperature in Fethard on Sea is expected to drop to 15.2°C in the next 10 days. September average water temperature in Fethard on Sea is 15.2°C, the minimum temperature is 13.9°C, and the maximum is 17.9°C.

Throughout the year, the water temperature in Fethard on Sea does not rise above 20°C and therefore is not suitable for comfortable swimming. The average water temperature in Fethard on Sea in winter reaches 9.3°C, in spring 9.7°C, in summer the average temperature rises to 14.5°C, and in autumn it is 13.9°C.

Fethard on Sea water temperature now


5 September 2025
today temp
16.7°C
4 September 2025
yesterday temp
16.7°C


The sea salinity in Fethard on Sea is 33.74‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Fethard on Sea 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 Fethard on Sea. 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 Fethard on Sea. Data in table shown for 6 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
3' 0"2' 8"2' 5"2' 4"
0.91 m0.82 m0.74 m0.7 m
12-15 h15-18 h18-21 h21-24 h
2' 5"2' 6"2' 6"2' 9"
0.74 m0.77 m0.77 m0.85 m

Surf report in Fethard on Sea

Fethard on Sea wave height and direction

Fethard on Sea weather forecast

Fethard on Sea wind speed and direction

Current temperature and weather

Data in a table show Fethard on Sea temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Fethard on Sea.

0-3 h3-6 h6-9 h9-12 h
9.9°C9.2°C8.8°C14.3°C
12-15 h15-18 h18-21 h21-24 h
16.8°C16.9°C15.3°C12.4°C

You may also be interested in other sections of our site for Fethard on Sea: Sunrise and Sunset, Tides

Fethard on Sea water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Fethard on Sea. 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 Fethard on Sea 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
January9.1°C7.5°C10.6°Ccold
Sea water temperature in Fethard on Sea in January
February8.5°C7.5°C9.6°Ccold
Sea water temperature in Fethard on Sea in February
March8.5°C7.1°C9.9°Ccold
Sea water temperature in Fethard on Sea in March
April9.5°C7.5°C11.4°Ccold
Sea water temperature in Fethard on Sea in April
May11.2°C9°C13.7°Ccold
Sea water temperature in Fethard on Sea in May
June13.3°C10.8°C15.8°Ccold
Sea water temperature in Fethard on Sea in June
July14.8°C12.8°C17.5°Ccold
Sea water temperature in Fethard on Sea in July
August15.3°C14.2°C17°Ccold
Sea water temperature in Fethard on Sea in August
September15.2°C13.9°C17.9°Ccold
Sea water temperature in Fethard on Sea in September
October14.1°C12.2°C15.6°Ccold
Sea water temperature in Fethard on Sea in October
November12.4°C10.1°C14.2°Ccold
Sea water temperature in Fethard on Sea in November
December10.3°C8.1°C12.3°Ccold
Sea water temperature in Fethard on Sea in December

Chart monthly average water temperature in Fethard on Sea

Water temperature in Fethard on Sea

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 Fethard on Sea 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
Bunmahon16.3°C17°C0.74 m
Stradbally16.2°C17°C0.67 m
Morriscastle17.1°C17°C0.62 m
Cahore17°C17°C0.55 m
Dungarvan16°C17°C0.88 m
Ballymoney Beach17.2°C16°C0.39 m
Ardmore16°C16°C0.76 m
Youghal15.7°C16°C0.73 m
Arklow17.2°C16°C0.49 m
Garryvoe16.1°C16°C0.73 m

Ireland photo gallery

  • Ireland
  • Ireland
  • Ireland
  • Ireland

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Vote for Ireland best beach

Current rating: (0 votes cast)

If you know this place (Fethard on Sea) and want to leave your comment or rate it, then fill out the following form.

Your rating for this place:

Does this place have a "Blue Flag" award [1], are there rip currents and what type of beach is it, sand or pebble:

Is the beach a dog-friendly place, child friendly or a nudist beach?


Your comments for this place (water quality, crowds, facilities, activities, lifeguards, service etc.):



[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.

Get widget or API for your website

Our report for Fethard on Sea 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.

Contact us: admin@seatemperature.info
privacy policy