Roca Alta Water Temperature and Wetsuit Guide

Hot air temperatures, feeling like 30 °C once we account for wind, and very warm water temperature (29 °C) at Roca Alta. Clouds should reduce UV so boardshorts and a rash vest should be ok.

Map of current Costa Rica Surface Water Temperatures based on measurements from oceanographic satellites

Map of current Costa Rica 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 Roca Alta. 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.

Roca Alta water temperatures peak in the range 28 to 30°C (82 to 86°F) on around the 6th of April and are at their lowest on about the 27th of November, in the range 27 to 29°C (81 to 84°F). Year round warm water temperatures at Roca Alta mean that a rash vest and board shorts should be fine for surfing at any time of year

Actual sea surface water temperatures close to shore at Roca Alta 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 Roca Alta. Refer to our detailed weather forecasts for this information.