Today's Swansea Bay Harbour Wall sea temperature is 19.0 °C
(4.9°C warmer than normal for this time of year)
| Mean: | 14.1 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 12.8 °C to 15.9 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 29 Jun (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a summer wetsuit.
The Swansea Bay Harbour Wall water temperature is reasonably warm (19 °C) and the air temperature will similar (windchill forecast 15 °C). A good quality summer wetsuit would be ideal.
 Map of current United Kingdom Surface Water Temperatures (based on measurements from oceanographic satellites) |  Map of current United Kingdom Sea Water Temperature Anomalies (compared with long term averages at this time of year) |
click thumbnails to expand
Below is a graph of Historical Sea Surface Temperature for Swansea Bay Harbour Wall. This has been derived from analysis of two decades of oceanographic satellite measurements of nearby open water. We have calculated the average water temperature variation around the year as well as the extremes that have been observed on each date.
All of the graphs for the surf breaks presented on Surf-Forecast.com are on the same scale to enable comparison between locations around the world.
Actual sea surface water temperatures close to shore at Swansea Bay Harbour Wall can vary by several degrees compared with these open water averages. This is especially true after heavy rain, close to river mouths or after long periods of strong offshore winds. Offshore winds cause colder deep water to replace surface water that has been warmed by the sun. Air temperature, wind-chill and sunshine should also be considered before deciding on the kind of wetsuit needed to stay warm when surfing at Swansea Bay Harbour Wall. Refer to our detailed weather forecasts for this information.
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