Port Blanc Water Temperature and Wetsuit Guide
(Morbihan – Brittany, France)
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Today's Port Blanc sea temperature is 59 °F
(Which is 4.3°F warmer than normal for this time of year)
| Mean: | 55 °F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 52 °F to 56 °F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 02 May (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a spring wetsuit, neoprene gloves and boots.
The water temperature (57 °F) at Port Blanc is quite cool. If the sun does come out as forecast, it should feel warm enough to surf in a good sealed spring wetsuit. Some surfers would prefer to wear gloves and boots too. Effective windchill factor of (57 °F) will make the air and water feel about the same temperature.
Map of current France Surface Water Temperatures based on measurements from oceanographic satellites |
Map of current France 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 Port Blanc. 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.
Port Blanc sea temperatures peak in the range 17 to 21°C (63 to 70°F) on around the 10th of August and are at their minimum on about the 1st of March, in the range 10 to 11°C (50 to 52°F). The highest Port Blanc sea temperatures in early to mid August require something like a 3/2mm fully sealed wetsuit. At its minimum at the beginning of March, low sea temperatures at Port Blanc 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 Port Blanc 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 Port Blanc. Refer to our detailed weather forecasts for this information.
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