It depends. Blokhus sits around 18.0°C in August; confident swimmers will be fine, casual bathers may prefer short sessions.
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 Blokhus live page for full conditions.
Frequently asked questions
What is the average sea temperature at Blokhus in August?
Blokhus averages 18.0°C in August, based on long-run climatology for the North Sea.
Is the sea warm enough to swim at Blokhus in August?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Blokhus in August?
A 2 mm shorty is comfortable for sessions over 30 minutes.
