Today's Baleal Sul sea temperature is 16.6 °C
(2.1°C colder than average for this time of year)
| Mean: | 18.7 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 17.1 °C to 20.7 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 21 Jun (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a spring wetsuit.
Sunny with pleasantly warm air temperatures (feels like 21 °C) at Baleal Sul, yet the sea remains several degrees colder than the air. Most surfers will need a spring wetsuit though a summer suit or even a shorty may suffice for a short session.
 Map of current Portugal Surface Water Temperatures (based on measurements from oceanographic satellites) |  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 Baleal Sul. 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.
Baleal Sul water temperatures peak in the range 19 to 22°C (66 to 72°F) on around the 18th of August and are at their minimum on about the 21st of February, in the range 14 to 16°C (57 to 61°F). Baleal Sul water temperatures are warmest in the third week of August. Surfers should use a 2mm long sleeve shorty or a 3/2mm spring wetsuit if the wind is up. The minimum water temperatures at Baleal Sul in mid to late 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 Baleal Sul 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 Baleal Sul. Refer to our detailed weather forecasts for this information.
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