Summer isn’t known for being the best time for surfing in the northern hemisphere. So your best bet is to book a trip in September when the water is still warm, but the autumn swell is starting to build.
South-west France, Portugal, northern Spain, the Canary Islands and the south-west of England are known for being the best places to ride waves in Europe.
If you’ve got cash to spare, then make your way to the southern hemisphere meccas of Bali, Sri Lanka, Australia to catch the pumping winter surf from May to September.