Water temperature in Port Talbot

This data the coastal Port Talbot 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 Port Talbot

Water temperature in Port Talbot today is 16.2°C. Based on our historical data over a period of ten years, the warmest water in this day in the Bristol Channel near Port Talbot was recorded in 2021 and was 18°C, and the coldest was recorded in 2012 at 15.5°C. Sea water temperature in Port Talbot is expected to drop to 15.8°C in the next 10 days. September average water temperature in Port Talbot is 17.2°C, the minimum temperature is 15.3°C, and the maximum is 19.8°C.

Throughout the year, the water temperature in Port Talbot does not rise above 20°C and therefore is not suitable for comfortable swimming. But on some days of July, August, the water temperature warms up to 20°C and above. The average water temperature in Port Talbot in winter reaches 8.2°C, in spring 9.8°C, in summer the average temperature rises to 16.9°C, and in autumn it is 14.8°C.

Port Talbot water temperature now

The sea salinity in Port Talbot is 32.46‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Port Talbot 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 Port Talbot. 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 Port Talbot. Data in table shown for 26 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Port Talbot

Port Talbot weather forecast

Current temperature and weather

Data in a table show Port Talbot temperature today (26 September 2025). For more information and forecast for a few days, go to the weather forecast Port Talbot.

0-3 h	3-6 h	6-9 h	9-12 h
9.7°C	8.6°C	7.9°C	12.1°C

12-15 h	15-18 h	18-21 h	21-24 h
14.9°C	15.4°C	12.8°C	12.5°C

Port Talbot water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Port Talbot. 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 Port Talbot 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 Port Talbot

The nearest beaches and cities from Port Talbot 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

	Water	Weather		Wave
Mumbles	16.5°C	15°C		0.43 m
Caswell Bay	16.5°C	15°C		0.43 m
Bracelet Bay	16.8°C	15°C		0.66 m
Limeslade Bay	16.8°C	15°C		0.66 m
Rotherslade	16.8°C	15°C		0.66 m
Langland Bay	16.8°C	15°C		0.69 m
Brandy Cove	16.8°C	15°C		0.69 m
Pwll Du Bay	16.8°C	15°C		0.69 m
Rest Bay	16.6°C	15°C		0.6 m
Pobbles Bay	16.6°C	15°C		0.46 m

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Our report for Port Talbot 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.