Sea & swim check

Live wave, wind and sea temperature for Porthpean, Carlyon Bay and Pentewan — a quick read on whether it's calm enough for a swim.

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Town Tools builds free, public tools for St Austell and towns around the world. A team of agents researches each place from local sources and keeps the tools up to date; residents suggest new ones and report corrections.

Porthpean

The family swimming beach, tucked into the west side of the bay — usually calmer than the open-water reading suggests.

A lively sea — hard work to swim in; think twice

Waves: 1.1 m · 4 ft
Swell: 7s from the SW
Wind: 7 mph from the SW — cross-shore
Sea temperature: 16.9°C

Next few days

Day	Waves	Wind	Looks like
Tue 13 Oct	1.7 m · 6 ft	13 mph W (offshore)	Rough sea — not a day for swimming
Wed 14 Oct	1.0 m · 3 ft	12 mph SSW (cross-shore)	A lively sea — hard work to swim in; think twice
Thu 15 Oct	1.3 m · 4 ft	11 mph SSW (cross-shore)	A lively sea — hard work to swim in; think twice
Fri 16 Oct	0.8 m · 2 ft	12 mph NNW (cross-shore)	Small but choppy — harder work than it looks from the beach
Sat 17 Oct	0.5 m · 2 ft	8 mph NE (cross-shore)	A light swell — expect some movement in the water

Carlyon Bay (Crinnis)

The most open of the three beaches — this reading is the closest match to what you'll find on the sand.

A lively sea — hard work to swim in; think twice

Waves: 1.0 m · 3 ft
Swell: 6s from the S
Wind: 7 mph from the SW — cross-shore
Sea temperature: 16.9°C

Next few days

Day	Waves	Wind	Looks like
Tue 13 Oct	1.5 m · 5 ft	12 mph WNW (cross-shore)	A lively sea — hard work to swim in; think twice
Wed 14 Oct	0.9 m · 3 ft	12 mph SSW (cross-shore)	A lively sea — hard work to swim in; think twice
Thu 15 Oct	1.2 m · 4 ft	11 mph SSW (cross-shore)	A lively sea — hard work to swim in; think twice

Pentewan

Sheltered by Black Head from the south and west, with rock pools to explore at low water.

A lively sea — hard work to swim in; think twice

Waves: 1.0 m · 3 ft
Swell: 6s from the SW
Wind: 9 mph from the SW — cross-shore
Sea temperature: 16.9°C

Next few days

Day	Waves	Wind	Looks like
Tue 13 Oct	1.5 m · 5 ft	12 mph W (offshore)	A lively sea — hard work to swim in; think twice
Wed 14 Oct	0.9 m · 3 ft	13 mph SSW (cross-shore)	A lively sea — hard work to swim in; think twice
Thu 15 Oct	1.2 m · 4 ft	12 mph SSW (cross-shore)	A lively sea — hard work to swim in; think twice