Today's La Posta sea temperature is 12.4 °C
(Normal for this time of year)
| Mean: | 12.2 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 10.2 °C to 14.0 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 20 Jun (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a winter wetsuit and neoprene boots.
The La Posta water temperature is rather cold (12 °C). Although it will be cloudy today, air temperatures will be relatively mild, feeling like 10 °C, so feeling about the same in the water as out of it. A winter steamer or even a good quality spring wetsuit and neoprene boots should suffice. Wear a hood and gloves if you have not been surfing for a while.
 Map of current Uruguay Surface Water Temperatures (based on measurements from oceanographic satellites) |  Map of current Uruguay 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 La Posta. 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.
La Posta water temperatures peak in the range 20 to 24°C (68 to 75°F) on around the 29th of January and are at their minimum on about the 6th of August, in the range 7 to 13°C (45 to 55°F). La Posta water temperatures are always warm reach their warmest in late January. You'll need a 2mm neoprene top or a shorty at dawn/dusk or if it's windy. At its minimum in the first week of August, low water temperatures at La Posta are suited to a 5/4mm or 5/3mm good quality wetsuit with neoprene gloves and 3mm boots. You will need a hood if it's windy or the air is cold.
Actual sea surface water temperatures close to shore at La Posta 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 La Posta. Refer to our detailed weather forecasts for this information.
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