November is a popular month to ask about Porthtowan because conditions can shift week to week along this coast. Expect the water near 12.0°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.
Porthtowan sea temperature in November — averages 12.0°C
The sea at Porthtowan in United Kingdom averages 12.0°C during November, 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 · November
12.0°C
cool · Fair
Live water now
…
Recommended wetsuit
5/4mm fullsuit + boots & gloves
At 12.0°C you need a 5/4mm fullsuit with boots, gloves and ideally a hood.
Monthly comparison
Cool — short dips or a shorty wetsuit · Porthtowan
Can you swim at Porthtowan in July? — 16.0°C water16.0°CCan you swim at Porthtowan in August? — 17.0°C water17.0°CCan you swim at Porthtowan in September? — 16.0°C water16.0°CCan you swim at Porthtowan in October? — 14.0°C water14.0°CCan you swim at Porthtowan in November? — 12.0°C water12.0°CCan you swim at Porthtowan in December? — 10.0°C water10.0°C
Frequently asked questions
What is the average sea temperature at Porthtowan in November?
Porthtowan averages 12.0°C in November, based on long-run climatology for the Atlantic Ocean.
Is the sea warm enough to swim at Porthtowan in November?
Not without thermal protection — a wetsuit is recommended at 12.0°C.
Do I need a wetsuit at Porthtowan in November?
A 3/2 mm wetsuit makes longer swims comfortable.