Today's Terceira - Sao Mateus da Calherta sea temperature is 18.5 °C
(Slightly cooler than normal)
| Mean: | 19.1 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 17.2 °C to 20.3 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 10 Jun (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a summer wetsuit.
The water temperature (18 °C) at Terceira - Sao Mateus da Calherta 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.
 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 Terceira - Sao Mateus da Calherta. 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.
Terceira - Sao Mateus da Calherta sea temperatures peak in the range 22 to 24°C (72 to 75°F) on around the 14th of August and are at their lowest on about the 2nd of March, in the range 15 to 17°C (59 to 63°F). Terceira - Sao Mateus da Calherta sea temperatures are always warm reach their maximum in mid August. You'll need a 2mm neoprene top or a shorty at dawn/dusk or if it's windy. The lowest seasonal sea temperatures at Terceira - Sao Mateus da Calherta in early March lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots.
Actual sea surface water temperatures close to shore at Terceira - Sao Mateus da Calherta 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 Terceira - Sao Mateus da Calherta. Refer to our detailed weather forecasts for this information.
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