Today's Vaihu sea temperature is 20.8 °C
(Slightly warmer than usual (0.9° above average))
| Mean: | 19.9 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 19.1 °C to 20.5 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 10 Aug (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a shorty .
The water temperature (20 °C) at Vaihu is warm and the air temperature should feel similar (windchill forecast 17 °C). If the sun does come out as forecast, it should feel warm enough to surf in a shorty or a summer wetsuit.
 Map of current Chile Surface Water Temperatures (based on measurements from oceanographic satellites) |  Map of current Chile 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 Vaihu. 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.
Vaihu water temperatures peak in the range 25 to 27°C (77 to 81°F) on around the 1st of March and are at their lowest on about the 26th of August, in the range 19 to 21°C (66 to 70°F). Year round warm water temperatures at Vaihu climb to their warmest at the beginning of March. Even then a rash vest and board shorts should be fine for surfing at any time of year. The lowest Vaihu water temperatures in the fourth week of August require something like a 3/2mm fully sealed wetsuit.
Actual sea surface water temperatures close to shore at Vaihu 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 Vaihu. Refer to our detailed weather forecasts for this information.
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