Today's Joaquina sea temperature is 18.5 °C
(1.5°C colder than average for this time of year)
| Mean: | 20.0 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 18.4 °C to 21.5 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 19 Jun (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a summer wetsuit.
The water temperature (18 °C) at Joaquina 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 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 Joaquina. 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.
Joaquina sea temperatures peak in the range 24 to 28°C (75 to 82°F) on around the 5th of March and are at their minimum on about the 13th of August, in the range 17 to 20°C (63 to 68°F). Year round warm sea temperatures at Joaquina climb to their highest at the beginning of March. Even then a rash vest and board shorts should be fine for surfing at any time of year. The minimum Joaquina sea temperatures in the third week of August require something like a 3/2mm fully sealed wetsuit.
Actual sea surface water temperatures close to shore at Joaquina 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 Joaquina. Refer to our detailed weather forecasts for this information.
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