Maresias Water Temperature and Wetsuit Guide
(São Paulo, Brazil)
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Today's Maresias sea temperature is 22.4 °C.
Statistics for 25 May (1981–2005)
– mean: 22.6 °C,
range: 21.2 °C
to 23.9 °C
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Sunny with very warm air temperatures, feeling like 25 °C once we account for any wind. Sea temperatures (22 °C) warm too. Staying warm in the water won't be a problem in board-shorts, but wear at least a rash-vest to keep the UV off.
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 Maresias. 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.
Maresias sea water temperatures peak in the range 24 to 28°C (75 to 82°F) on around the 26th of February and are at their coldest on about the 13th of August, in the range 18 to 21°C (64 to 70°F). Year round warm sea water temperatures at Maresias climb to their warmest in the fourth week of February. Even then a rash vest and board shorts should be fine for surfing at any time of year. The coldest Maresias sea water 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 Maresias 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 Maresias. Refer to our detailed weather forecasts for this information.
