Doonbeg Castle Water Temperature and Wetsuit Guide

The water temperature (13 °C) at Doonbeg Castle is quite cool. If the sun does come out as forecast, it should feel warm enough to surf in a good sealed spring wetsuit. Some surfers would prefer to wear gloves and boots too. Effective windchill factor of (12 °C) will make the air and water feel about the same temperature.

Map of current Ireland Surface Water Temperatures based on measurements from oceanographic satellites

Map of current Ireland 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 Doonbeg Castle. 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.

Doonbeg Castle sea water temperatures peak in the range 14 to 18°C (57 to 64°F) on around the 11th of August and are at their minimum on about the 19th of February, in the range 9 to 10°C (48 to 50°F). The warmest seasonal sea water temperatures at Doonbeg Castle in the second week of August lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots. At its minimum in the third week of February, low sea water temperatures at Doonbeg Castle 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 Doonbeg Castle 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 Doonbeg Castle. Refer to our detailed weather forecasts for this information.