Today's Agios Ioannis sea temperature is 19.0 °C
(Normal for this time of year (within 0.3° of average))
| Mean: | 18.7 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 17.3 °C to 19.9 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 12 Nov (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a spring wetsuit.
Sunny with pleasantly warm air temperatures (feeling like 23 °C once we account for wind), yet at 19 °C the sea remains several degrees colder than the air at Agios Ioannis. The majority of surfers will need a spring wetsuit though a summer suit or even a shorty may suffice for a short session.
 Map of current Greece Surface Water Temperatures (based on measurements from oceanographic satellites) |  Map of current Greece 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 Agios Ioannis. 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.
Agios Ioannis water temperatures peak in the range 24 to 27°C (75 to 81°F) on around the 7th of August and are at their minimum on about the 1st of March, at 14°C. Year round warm water temperatures at Agios Ioannis climb to their highest in the first part of August. Even then a rash vest and board shorts should be fine for surfing at any time of year. The minimum water temperatures at Agios Ioannis at the beginning of March are ideally suited to a 4/3mm wetsuit + 3mm boots, although a 5/3mm wetsuit may be preferable for longer sessions and cold windy days.
Actual sea surface water temperatures close to shore at Agios Ioannis 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 Agios Ioannis. Refer to our detailed weather forecasts for this information.
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