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Praia do Castello Water Temperature and Wetsuit Guide

(Lisboa, Portugal)

Today's Praia do Castello sea temperature is 17.9 °C.

Statistics for 29 May (1981–2005) – mean: 17.8 °C, range: 16.4 °C to 19.0 °C

The water temperature (17 °C) at Praia do Castello is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 19 °C.

Portugal Sea Water Temperature

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

Map of current Portugal
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 Praia do Castello. 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.

Praia do Castello 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.

Praia do Castello sea temperatures peak in the range 20 to 22°C (68 to 72°F) on around the 16th of August and are at their lowest on about the 24th of February, in the range 14 to 16°C (57 to 61°F). Praia do Castello sea temperatures are highest in the middle of August. Surfers should use a 2mm long sleeve shorty or a 3/2mm spring wetsuit if the wind is up. The lowest sea temperatures at Praia do Castello in the fourth week of February 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.

Actual sea surface water temperatures close to shore at Praia do Castello 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 Praia do Castello. Refer to our detailed weather forecasts for this information.