Groenvlei Water Temperature and Wetsuit Guide
(Garden Route, South Africa)
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Today's Groenvlei sea temperature is 18.7 °C
(Which is normal for this time of year)
| Mean: | 18.7 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 16.8 °C to 20.8 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 14 May (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a summer wetsuit.
The water temperature (18 °C) at Groenvlei is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 15 °C.
Map of current South Africa Surface Water Temperatures based on measurements from oceanographic satellites |
Map of current South Africa 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 Groenvlei. 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.
Groenvlei sea water temperatures peak in the range 20 to 24°C (68 to 75°F) on around the 29th of January and are at their coldest on about the 17th of July, in the range 16 to 18°C (61 to 64°F). Groenvlei sea water temperatures are maximum in late January. Surfers should use a 2mm long sleeve shorty or a 3/2mm spring wetsuit if the wind is up. The coldest seasonal sea water temperatures at Groenvlei in the middle of July lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots.
Actual sea surface water temperatures close to shore at Groenvlei 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 Groenvlei. Refer to our detailed weather forecasts for this information.
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