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Derrynane water temperature
Derrynane ratings
Quality on a good day: 3.0
Consistency of Surf: 2.8
Difficulty Level: 2.5
Wind and Kite Surfing: 4.5
Crowds: 4.0

Overall: 3.9

See all 18 ratings

Based on 6 votes. Vote


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Derrynane Water Temperature and Wetsuit Guide

(Kerry, Ireland)

Today's Derrynane sea temperature is 10.1 °C.

Statistics for 12 Dec (1981–2005) – mean: 11.1 °C, range: 10.3 °C to 12.1 °C

The water temperature (10 °C) at Derrynane is fairly cold. Surfers will need a quality steamer wetsuit, a neoprene hood, gloves and boots because it will be cloudy with an effective air temperature of (6 °C).

Ireland Sea Water Temperature

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

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 Derrynane. 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.

Derrynane 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.

Derrynane sea water temperatures peak in the range 14 to 18°C (57 to 64°F) on around the 7th of August and are at their lowest on about the 18th of February, in the range 9 to 11°C (48 to 52°F). The warmest seasonal sea water temperatures at Derrynane in the first part of August lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots. At its lowest in the third week of February, low sea water temperatures at Derrynane 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 Derrynane 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 Derrynane. Refer to our detailed weather forecasts for this information.