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Porth Beach water temperature
Porth Beach ratings
Quality on a good day: 2.0
Consistency of Surf: 3.0
Difficulty Level: 1.0
Crowds: 2.0

Overall: 2.4

See all 18 ratings

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Porth Beach Water Temperature and Wetsuit Guide

(North Cornwall, UK)

Today's Porth Beach sea temperature is 9.9 °C.

Statistics for 15 Apr (1981–2005) – mean: 10.0 °C, range: 8.4 °C to 10.7 °C

The water temperature (9 °C) at Porth Beach is very cold. Despite the sun, surfers will need plenty of neoprene. Wear a quality winter wetsuit, a neoprene hood, gloves and boots. A windchill factor of (7 °C).

Below is a graph of Historical Sea Surface Temperature for Porth Beach. 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.

Porth Beach Water Temperature Graph

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.

Porth Beach water temperatures peak in the range 15 to 18°C (59 to 64°F) on around the 13th of August and are at their minimum on about the 1st of March, in the range 9 to 10°C (48 to 50°F). The maximum seasonal water temperatures at Porth Beach in the third week of August lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots. At its minimum at the beginning of March, low water temperatures at Porth Beach 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 Porth Beach 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 Porth Beach. Refer to our detailed weather forecasts for this information.