Cool. 15.0°C in March 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 Haan live page for full conditions.
Best months to swim
June · July · August · September
Frequently asked questions
What is the average sea temperature at De Haan in March?
De Haan averages 15.0°C in March, based on long-run climatology for the North Sea.
Is the sea warm enough to swim at De Haan in March?
Not without thermal protection — a wetsuit is recommended at 15.0°C.
