Cold. 4.0°C in April is cold-water swimming territory — a 4/3 mm full wetsuit, neoprene cap and short, repeated sessions are the safe approach.
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 Smygehuk live page for full conditions.
Frequently asked questions
What is the average sea temperature at Smygehuk in April?
Smygehuk averages 4.0°C in April, based on long-run climatology for the Baltic Sea.
Is the sea warm enough to swim at Smygehuk in April?
Not without thermal protection — a wetsuit is recommended at 4.0°C.
Do I need a wetsuit at Smygehuk in April?
A 4/3 mm full wetsuit, boots and neoprene cap are recommended.
