United Kingdom
Cornwall · Atlantic Ocean

Pedn Vounder Water Temperature & Swim Forecast

Cornwall wild cove.

Fresh water with a light chop and a light breeze — fresh conditions — a wetsuit is recommended.

Sea temperature now
16.2°Cmild
Fair
Source: Open-Meteo Marine

Model estimate · modelled, not a buoy measurement. How accurate is this?

Air temperature
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Wave height
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Wind
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UV index
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Location

Pedn Vounder on the map, with nearby beaches and live sea temperatures.

7-day forecast

Water, air, waves, wind and UV outlook for the week ahead.

Wetsuit recommendation

3/2mm fullsuit

At 16.2°C a 3/2mm fullsuit is the standard wetsuit for surfing and watersports.

Surf & watersports
Spring/autumn conditions in temperate seas. A 3/2mm full wetsuit (3mm torso, 2mm limbs) is the most versatile thickness — warm enough for 2-hour sessions, flexible enough for paddling. Open-water swimmers should wear a triathlon-cut swim wetsuit.
Open-water swimming
A triathlon-style swim wetsuit keeps you warm for 45–60 minutes.

Recommendation tuned for Pedn Vounder's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.

Pedn Vounder swimming conditions summary

Water temperature
16.2°C
Water feels
Refreshing
Swimmable today
Yes, but fresh — short swims or a wetsuit
Swim conditions score
59/100 · Fair
Wetsuit needed
3/2mm fullsuit
Air temperature
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Waves
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Wind
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UV index
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Average sea temperature (September)
16.0 °C
Warmest months to swim
July, August, September

At 16.2°C a 3/2mm fullsuit is the standard wetsuit for surfing and watersports. Model estimate. Water, wave, wind and UV values are Open-Meteo marine/weather model estimates, refreshed hourly — not buoy measurements.

Frequently asked questions

Can I swim at Pedn Vounder right now?

The sea at Pedn Vounder is currently 16.2°C — fresh swimming conditions. Most swimmers will find the water comfortable when it's above 22°C; below 18°C feels fresh and a wetsuit is recommended.

What will the sea temperature be at Pedn Vounder next week?

Based on long-term September averages and the latest marine model, expect the sea around Pedn Vounder to sit close to 14.6°C over the next 7 days. Check the live 7-day chart above for the exact daily outlook.

When is the best month to swim at Pedn Vounder?

July – August – September are typically the warmest months to swim at Pedn Vounder, with sea temperatures at their seasonal peak.

Do I need a wetsuit at Pedn Vounder?

With water currently at 16.2°C: above 22°C no wetsuit needed; 18–22°C a shorty is comfortable for long swims; 14–18°C a 3/2mm full suit; below 14°C a 4/3mm or thicker.

Quick answer

Can I swim at Pedn Vounder today?

The sea is currently 16.2°C — fair swimming conditions. Acclimatised swimmers will be most comfortable.

Key takeaways
  • • Located in Cornwall, United Kingdom (Atlantic Ocean).
  • • Best suited to confident swimmers and watersports.
  • • Live data refreshed hourly from Open-Meteo Marine.

Monthly sea temperature averages

Tap any month to see what to expect — based on regional climatology.

8°C → 17°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in Pedn Vounder

The sea in Pedn Vounder peaks in August, when the water averages around 17°C.

On average, 0 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

Outside peak season the water drops toward 9°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.

The coldest month is typically February at around 8°C, when cold-water swimmers dominate the coast.

Pedn Vounder sea temperature history

Long-term climatology for Pedn Vounder shows an annual mean sea temperature of 12°C, ranging from 8°C in winter to 17°C at the summer peak.

The seasonal swing is roughly 9°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.

Recent decades have trended slightly warmer at Pedn Vounder, in line with regional sea-surface temperature records for the wider basin.

Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.

Jan
9°C
Feb
8°C
Mar
8°C
Apr
9°C
May
11°C
Jun
14°C
Jul
16°C
Aug
17°C
Sep
16°C
Oct
14°C
Nov
12°C
Dec
10°C

Pedn Vounder sea temperature: frequently asked questions

What is the warmest month to swim in Pedn Vounder?

August is the warmest month in Pedn Vounder, when the sea averages about 17°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Pedn Vounder?

The coldest month in Pedn Vounder is typically February, when the water averages around 8°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Pedn Vounder without a wetsuit?

The sea in Pedn Vounder rarely climbs above 20°C, so a wetsuit is recommended year-round for anything longer than a quick dip.

Do I need a wetsuit in Pedn Vounder?

Outside peak summer the water in Pedn Vounder drops toward 9°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.

What is the average sea temperature in Pedn Vounder?

The long-term annual mean sea temperature in Pedn Vounder is about 12°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Pedn Vounder?

The live reading at the top of this page shows the current sea temperature in Pedn Vounder, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.

Year-round sea temperature

MonthSeaComfort
Jan9°CCold
Feb8°CCold
Mar8°CCold
Apr9°CCold
May11°CCold
Jun14°CBracing
Jul16°CBracing
Aug ⭐17°CBracing
Sep16°CBracing
Oct14°CBracing
Nov12°CCold
Dec10°CCold

Nearby beaches

The closest coastline, with live water temperatures.