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Grim Ness water temperature
Grim Ness ratings
Quality on a good day: 4.0
Consistency of Surf: 3.0
Crowds: 4.0

Overall: 3.8

See all 18 ratings

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Grim Ness Water Temperature and Wetsuit Guide

(Orkney Islands, UK)

Today's Grim Ness sea temperature is 10.5 °C.

Statistics for 16 Nov (1981–2005) – mean: 10.4 °C, range: 9.4 °C to 11.4 °C

The water temperature (10 °C) at Grim Ness is quite cold. Despite the sun, windchill of 8 °C means that surfers will need plenty of neoprene. Wear a quality winter wetsuit, a neoprene hood, gloves and boots. A windchill factor of (8 °C).

United Kingdom Sea Water Temperature

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

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 Grim Ness. 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.

Grim Ness 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.

Grim Ness sea water temperatures peak in the range 12 to 15°C (54 to 59°F) on around the 10th of August and are at their lowest on about the 26th of February, in the range 5 to 8°C (41 to 46°F). The warmest sea water temperatures at Grim Ness in early to mid August are ideally suited to a 4/3mm wetsuit + 3mm boots, although a 5/3mm wetsuit may be preferable for longer sessions and cold windy days. The lowest sea water temperatures at Grim Ness mean that you will need a flexible 6/5/4mm wetsuit or a well fitting 5/4mm wetsuit with gloves and 5mm neoprene booties and a hood to surf here in the fourth week of February.

Actual sea surface water temperatures close to shore at Grim Ness 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 Grim Ness. Refer to our detailed weather forecasts for this information.