Sinclair's Bay Surf Break

Sinclair's Bay Sea Temperature and Wetsuit Guide

Lat Long: 58.51° N 3.13° W

Issued: 12 pm 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's Sinclair's Bay sea temperature is
10.7° C

Normal for this time of year

Sinclair's Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Sinclair's Bay sea temperature is 10.7 °C

(Normal for this time of year)

Mean: 11.0 °C
Range: 10.0 °C to 12.4 °C
Statistics for 20 Jun (1981–2005)
  • neoprene wetsuit hood for warmth and a watertight seal in cold sea temperatures
  • neoprene gloves for warmth, grip, and protection in cold temperatures
  • wetsuit boots for warmth, grip, and protection in cold temperatures

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 Sinclair's Bay remains rather cold. Surfers will need a spring wetsuit and ideally neoprene hood, gloves and boots.

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 Sinclair's Bay. 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.

Sinclair's Bay 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.

Sinclair's Bay 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 25th of February, in the range 5 to 8°C (41 to 46°F). The maximum water temperatures at Sinclair's Bay 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 water temperatures at Sinclair's Bay 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 late February.

Actual sea surface water temperatures close to shore at Sinclair's Bay 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 Sinclair's Bay. Refer to our detailed weather forecasts for this information.

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