Cool. 13.0°C in May means short dips for most people. A 2 mm shorty or 3/2 mm wetsuit transforms the experience.
Monthly averages set expectations, but the specific beach today depends on wind, swell and recent weather. Check the live value at the top of this page or open the De Panne live page for full conditions.
Frequently asked questions
What is the average sea temperature at De Panne in May?
De Panne averages 13.0°C in May, based on long-run climatology for the North Sea.
Is the sea warm enough to swim at De Panne in May?
Not without thermal protection — a wetsuit is recommended at 13.0°C.