Today's Cap Blanc Nez sea temperature is 19.4 °C
(2.5° warmer than normal for this time of year)
| Mean: | 16.9 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 14.6 °C to 18.5 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 19 Sep (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a summer wetsuit.
The Cap Blanc Nez water temperature is reasonably warm (19 °C) and the air temperature will similar (windchill forecast 15 °C). A good quality summer wetsuit would be ideal.
 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 Cap Blanc Nez. 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.
Cap Blanc Nez water temperatures peak in the range 16 to 19°C (61 to 66°F) on around the 17th of August and are at their coldest on about the 23rd of February, in the range 5 to 9°C (41 to 48°F). The maximum seasonal water temperatures at Cap Blanc Nez in the middle of August lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots. The coldest water temperatures at Cap Blanc Nez mean that you will need a flexible 6/5/4mm wetsuit or a well fitting 5/4mm wetsuit with gloves and 5mm neoprene booties and a hood to surf here in the fourth week of February.
Actual sea surface water temperatures close to shore at Cap Blanc Nez 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 Cap Blanc Nez. Refer to our detailed weather forecasts for this information.
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