Sea Temperature in St Agnes Beach
Sea Temperature › St Agnes Beach
Sea Temperature in St Agnes Beach
The current sea temperature at St Agnes Beach is --°C.
WATER TEMPERATURE
--
Loading live data…
7-Day Sea Temperature Forecast
Loading forecast data…
Sea Temperature in St Agnes
Sea temperatures around St Agnes 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 St Agnes Beach today?
The live sea temperature at St Agnes Beach 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 St Agnes Beach 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 St Agnes Beach?
August and early September are typically the warmest months for sea swimming near St Agnes, with water temperatures reaching 16 to 17 degrees. Sea temperatures lag behind air temperatures by about 6 to 8 weeks.
Also for St Agnes Beach: Tide Times · UV Index
Marine data by Open-Meteo (CC BY 4.0)