Today's Cerro Chato sea temperature is 10.9 °C
(1.6° colder than average for this time of year)
| Mean: | 12.5 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 10.5 °C to 14.6 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 08 Jul (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a spring wetsuit, a neoprene hood, gloves and boots.
The water temperature (10 °C) at Cerro Chato is quite cold. If the sun shines as forecast, it should feel warm enough to get away with a good sealed spring wetsuit but you won't overheat in a winter wetsuit, gloves boots and a hood. Effective windchill factor of (12 °C).
 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 Cerro Chato. 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.
Cerro Chato sea temperatures peak in the range 21 to 24°C (70 to 75°F) on around the 29th of January and are at their lowest on about the 6th of August, in the range 9 to 14°C (48 to 57°F). Cerro Chato sea temperatures are always warm reach their highest in late January. You'll need a 2mm neoprene top or a shorty at dawn/dusk or if it's windy. At its lowest in the first week of August, low sea temperatures at Cerro Chato 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 Cerro Chato 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 Cerro Chato. Refer to our detailed weather forecasts for this information.
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