Porthleven Water Temperature and Wetsuit Guide
(South Cornwall, UK)
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Today's Porthleven sea temperature is 53 °F
(Which is 1.8°F warmer than normal for this time of year)
| Mean: | 52 °F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 49 °F to 53 °F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 30 Apr (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a spring wetsuit, a neoprene hood, gloves and boots.
Sunny with pleasant to warm air temperatures, yet the sea at Porthleven remains rather cold. Surfers will need a spring wetsuit and ideally neoprene hood, gloves and boots.
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 Porthleven. 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.
Porthleven sea water temperatures peak in the range 15 to 18°C (59 to 64°F) on around the 10th of August and are at their minimum on about the 24th of February, in the range 8 to 10°C (46 to 50°F). The warmest seasonal sea water temperatures at Porthleven in early to mid August lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots. At its minimum in the fourth week of February, low sea water temperatures at Porthleven 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 Porthleven 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 Porthleven. Refer to our detailed weather forecasts for this information.
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