April is a popular month to ask about Sylt - Westerland because conditions can shift week to week along this coast. Expect the water near 6.0°C, with daily variation from wind, tides and recent storms. We refresh the live value from Open-Meteo Marine every hour, so the headline above always reflects the current state of the North Sea.
Sylt - Westerland sea temperature in April — averages 6.0°C
The sea at Sylt - Westerland in Germany averages 6.0°C during April, based on long-run climatology for the North Sea. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · April
6.0°C
cold · Poor
Live water now
…
Recommended wetsuit
6/5/4mm hooded fullsuit or drysuit
At 6.0°C only experienced cold-water athletes should enter — full thermal protection required.
Monthly comparison
Cold — wetsuit recommended · Sylt - Westerland
Can you swim at Sylt - Westerland in June? — 14.0°C water14.0°CCan you swim at Sylt - Westerland in July? — 18.0°C water18.0°CCan you swim at Sylt - Westerland in August? — 19.0°C water19.0°CCan you swim at Sylt - Westerland in September? — 17.0°C water17.0°CCan you swim at Sylt - Westerland in October? — 13.0°C water13.0°CCan you swim at Sylt - Westerland in November? — 9.0°C water9.0°C
Frequently asked questions
What is the average sea temperature at Sylt - Westerland in April?
Sylt - Westerland averages 6.0°C in April, based on long-run climatology for the North Sea.
Is the sea warm enough to swim at Sylt - Westerland in April?
Not without thermal protection — a wetsuit is recommended at 6.0°C.
Do I need a wetsuit at Sylt - Westerland in April?
A 4/3 mm full wetsuit, boots and neoprene cap are recommended.