United Kingdom Coastal Region

Carmarthenshire Sea Water Temperature

Compare sea surface temperatures across 1 top coastal destinations in Carmarthenshire. Check below for live marine observations, wave conditions, and monthly averages.

Beaches & Swimming Spots in Carmarthenshire— page 1 of 1

Irish Sea

Cefn Sidan

A temperate beach on the Irish Sea, warmest around August at about 17°C.

Historical Sep Avg:16.8°C(62.2°F)

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