Today's Prainha sea temperature is 16.9 °C
(1.5°C colder than average for this time of year)
| Mean: | 18.4 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 16.9 °C to 20.7 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 20 Jun (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a spring wetsuit.
The water temperature (16 °C) at Prainha is quite cool. If the sun shines as we have forecast, it should feel warm enough to surf in a good spring wetsuit. Effective windchill factor of (15 °C) will make the air and water feel about the same temperature.
 Map of current Brazil Surface Water Temperatures (based on measurements from oceanographic satellites) |  Map of current Brazil 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 Prainha. 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.
Prainha water temperatures peak in the range 24 to 27°C (75 to 81°F) on around the 7th of March and are at their minimum on about the 13th of August, in the range 14 to 18°C (57 to 64°F). Year round warm water temperatures at Prainha climb to their warmest in the first part of March. Even then a rash vest and board shorts should be fine for surfing at any time of year. The minimum seasonal water temperatures at Prainha in the third week of August 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 Prainha 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 Prainha. Refer to our detailed weather forecasts for this information.
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