Diria Water Temperature and Wetsuit Guide
(Guanacaste, Costa Rica)
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Today's Diria sea temperature is 85 °F
(Which is 2.3°F warmer than normal for this time of year)
| Mean: | 82 °F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 78 °F to 85 °F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 29 Mar (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a summer wetsuit.
A hot and sunny day, feeling like 88 °F even after we account for wind, and very warm water temperature (84 °F) too at Diria. Surfers may need a thin summer wetsuit or at least a rash vest to block the UV.
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 Diria. 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.
Diria water temperatures peak in the range 28 to 30°C (82 to 86°F) on around the 12th of May and are at their coldest on about the 4th of February, in the range 25 to 29°C (77 to 84°F). Year round warm water temperatures at Diria 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 Diria 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 Diria. Refer to our detailed weather forecasts for this information.
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