France Coastal Region

Seine-Maritime Sea Water Temperature

Compare sea surface temperatures across 2 top coastal destinations in Seine-Maritime. Check below for live marine observations, wave conditions, and monthly averages.

Beaches & Swimming Spots in Seine-Maritime— page 1 of 1

Celtic Sea

Plage d'Antifer

A temperate beach on the Celtic Sea, warmest around August at about 18.8°C.

Historical Sep Avg:18.1°C(64.6°F)

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Irish Sea

Plage de Dieppe

A temperate beach on the Irish Sea, warmest around August at about 18.4°C.

Historical Sep Avg:18.2°C(64.8°F)

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