Porthcurno Water Temperature and Wetsuit Guide
(South Cornwall, UK)
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Today's Porthcurno sea temperature is 59 °F
(Which is slightly warmer than usual)
| Mean: | 58 °F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 55 °F to 60 °F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 19 Jun (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a spring wetsuit.
The water temperature (59 °F) at Porthcurno is quite cool. If the sun shines as we have forecast, it should feel warm enough to surf in a good spring wetsuit. Effective windchill factor of (64 °F) will make the air and water feel about the same temperature.
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 Porthcurno. 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.
Porthcurno water temperatures peak in the range 15 to 19°C (59 to 66°F) on around the 12th of August and are at their lowest on about the 25th of February, in the range 8 to 10°C (46 to 50°F). The maximum seasonal water temperatures at Porthcurno in the second week of August lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots. At its lowest in late February, low water temperatures at Porthcurno are suited to a 5/4mm or 5/3mm good quality wetsuit with neoprene gloves and 3mm boots. You will need a hood if it's windy or the air is cold.
Actual sea surface water temperatures close to shore at Porthcurno 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 Porthcurno. Refer to our detailed weather forecasts for this information.
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