October is a popular month to ask about Marazion Beach because conditions can shift week to week along this coast. Expect the water near 14.0°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 Atlantic Ocean.
Marazion Beach sea temperature in October — averages 14.0°C
The sea at Marazion Beach in United Kingdom averages 14.0°C during October, based on long-run climatology for the Atlantic Ocean. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · October
14.0°C
cool · Fair
Live water now
…
Recommended wetsuit
4/3mm fullsuit
At 14.0°C you need a 4/3mm fullsuit, and many surfers add neoprene boots.
Monthly comparison
Cool — short dips or a shorty wetsuit · Marazion Beach
Can you swim at Marazion Beach in July? — 16.0°C water16.0°CCan you swim at Marazion Beach in August? — 17.0°C water17.0°CCan you swim at Marazion Beach in September? — 16.0°C water16.0°CCan you swim at Marazion Beach in October? — 14.0°C water14.0°CCan you swim at Marazion Beach in November? — 12.0°C water12.0°CCan you swim at Marazion Beach in December? — 10.0°C water10.0°C
Frequently asked questions
What is the average sea temperature at Marazion Beach in October?
Marazion Beach averages 14.0°C in October, based on long-run climatology for the Atlantic Ocean.
Is the sea warm enough to swim at Marazion Beach in October?
Not without thermal protection — a wetsuit is recommended at 14.0°C.
Do I need a wetsuit at Marazion Beach in October?
A 3/2 mm wetsuit makes longer swims comfortable.