Can you swim at Ondarreta in March? — 15.0°C water
Cool — short dips or a shorty wetsuit
Average sea · March
15.0°C
Live water now
…
Recommended wetsuit
4/3mm fullsuit
mild
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 Ondarreta live page for full conditions.
Best months to swim
June · July · August · September
Frequently asked questions
What is the average sea temperature at Ondarreta in March?
Ondarreta averages 15.0°C in March, based on long-run climatology for the Bay of Biscay.
Is the sea warm enough to swim at Ondarreta in March?
Not without thermal protection — a wetsuit is recommended at 15.0°C.
