February is a popular month to ask about Caswell Bay because conditions can shift week to week along this coast. Expect the water near 8.0°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 Bristol Channel.
Caswell Bay sea temperature in February — averages 8.0°C
The sea at Caswell Bay in United Kingdom averages 8.0°C during February, based on long-run climatology for the Bristol Channel. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · February
8.0°C
cold · Poor
Live water now
…
Recommended wetsuit
6/5/4mm hooded fullsuit or drysuit
At 8.0°C only experienced cold-water athletes should enter — full thermal protection required.
Monthly comparison
Cold — wetsuit recommended · Caswell Bay
Can you swim at Caswell Bay in July? — 16.0°C water16.0°CCan you swim at Caswell Bay in August? — 17.0°C water17.0°CCan you swim at Caswell Bay in September? — 16.0°C water16.0°CCan you swim at Caswell Bay in October? — 14.0°C water14.0°CCan you swim at Caswell Bay in November? — 12.0°C water12.0°CCan you swim at Caswell Bay in December? — 10.0°C water10.0°C
Frequently asked questions
What is the average sea temperature at Caswell Bay in February?
Caswell Bay averages 8.0°C in February, based on long-run climatology for the Bristol Channel.
Is the sea warm enough to swim at Caswell Bay in February?
Not without thermal protection — a wetsuit is recommended at 8.0°C.
Do I need a wetsuit at Caswell Bay in February?
A 4/3 mm full wetsuit, boots and neoprene cap are recommended.