Sea Temperature in Porthcurno

Sea Temperature › Porthcurno

Sea Temperature in Porthcurno

The current sea temperature at Porthcurno is --°C.

WATER TEMPERATURE
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7-Day Sea Temperature Forecast

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Sea Temperature in Penzance

Sea temperatures around Penzance follow a seasonal pattern typical of the Cornish coast. The coldest water is usually in February and March at around 9–10°C. Temperatures climb through spring, reaching their warmest in August and September at 16–17°C. Cornwall’s waters are warmed by the Gulf Stream, making them milder than the east coast of England at the same latitude.

A 4/3mm wetsuit is recommended from October to May. In late summer, a 3/2mm or even a shortie can be comfortable for shorter sessions.

Frequently Asked Questions

What is the sea temperature at Porthcurno today?
The live sea temperature at Porthcurno is shown at the top of this page, updated hourly. Cornwall sea temperatures range from around 9 degrees in February to 17 degrees in late August.
Is Porthcurno warm enough to swim in?
Most swimmers find Cornwall comfortable with a wetsuit year-round. Without a wetsuit, July to September offers the warmest water at 15 to 17 degrees. Many locals swim year-round with a good wetsuit.
What is the warmest month to swim at Porthcurno?
August and early September are typically the warmest months for sea swimming near Penzance, with water temperatures reaching 16 to 17 degrees. Sea temperatures lag behind air temperatures by about 6 to 8 weeks.
Also for Porthcurno: Tide Times
Marine data by Open-Meteo (CC BY 4.0)