This data the coastal Blackhall Rocks Beach 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.
Water temperature in Blackhall Rocks Beach today is 14.1°C. Based on our historical data over a period of ten years, the warmest water in this day in Blackhall Rocks Beach was recorded in 2022 and was 15.6°C, and the coldest was recorded in 2015 at 13°C. Sea water temperature in Blackhall Rocks Beach is expected to drop to 13.7°C in the next 10 days. September average water temperature in Blackhall Rocks Beach is 13.6°C, the minimum temperature is 11.4°C, and the maximum is 16.3°C.
Throughout the year, the water temperature in Blackhall Rocks Beach does not rise above 20°C and therefore is not suitable for comfortable swimming. The average water temperature in Blackhall Rocks Beach in winter reaches 7.3°C, in spring 7.9°C, in summer the average temperature rises to 13.7°C, and in autumn it is 12°C.
5 September 2025 |
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today temp |
14.1°C |
4 September 2025 |
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yesterday temp |
14.2°C |
The sea salinity in Blackhall Rocks Beach is 33.70‰, and the average salinity of the World Ocean is 35‰.
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 Blackhall Rocks Beach. 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 Blackhall Rocks Beach. 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 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
0' 10" | 0' 10" | 0' 9" | 0' 8" |
0.25 m | 0.25 m | 0.24 m | 0.21 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
0' 9" | 0' 9" | 0' 7" | 0' 5" |
0.22 m | 0.24 m | 0.17 m | 0.12 m |
Data in a table show Blackhall Rocks Beach temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Blackhall Rocks Beach.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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11.8°C | 11.2°C | 11.2°C | 15.3°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
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18°C | 17.7°C | 15.9°C | 13.3°C |
You may also be interested in other sections of our site for Blackhall Rocks Beach: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Blackhall Rocks Beach. 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 Blackhall Rocks Beach 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